./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/eca-rers2012/Problem03_label24.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 d443bde2b4ed91a040fe01a253a772dbee49a394 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:41:28,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:41:28,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:41:28,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:41:28,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:41:28,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:41:28,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:41:28,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:41:28,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:41:28,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:41:28,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:41:28,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:41:28,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:41:28,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:41:28,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:41:28,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:41:28,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:41:28,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:41:28,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:41:28,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:41:28,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:41:28,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:41:28,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:41:28,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:41:28,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:41:28,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:41:28,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:41:28,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:41:28,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:41:28,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:41:28,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:41:28,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:41:28,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:41:28,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:41:28,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:41:28,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:41:28,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:41:28,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:41:28,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:41:28,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:41:28,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:41:28,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:41:28,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:41:28,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:41:28,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:41:28,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:41:28,935 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:41:28,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:41:28,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:41:28,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:41:28,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:41:28,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:41:28,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:41:28,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:41:28,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:41:28,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:41:28,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:41:28,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:41:28,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:41:28,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:41:28,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:41:28,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:41:28,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:41:28,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:41:28,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:41:28,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:41:28,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:41:28,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:41:28,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:41:28,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:41:28,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-11-27 22:41:29,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:41:29,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:41:29,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:41:29,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:41:29,353 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:41:29,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-27 22:41:29,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb8a2c5e/46aac01662624ed790d482941aacabe3/FLAG180bbcf84 [2019-11-27 22:41:30,067 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:41:30,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-27 22:41:30,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb8a2c5e/46aac01662624ed790d482941aacabe3/FLAG180bbcf84 [2019-11-27 22:41:30,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb8a2c5e/46aac01662624ed790d482941aacabe3 [2019-11-27 22:41:30,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:41:30,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:41:30,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:41:30,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:41:30,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:41:30,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:41:30" (1/1) ... [2019-11-27 22:41:30,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:30, skipping insertion in model container [2019-11-27 22:41:30,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:41:30" (1/1) ... [2019-11-27 22:41:30,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:41:30,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:41:31,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:41:31,279 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:41:31,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:41:31,788 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:41:31,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31 WrapperNode [2019-11-27 22:41:31,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:41:31,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:41:31,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:41:31,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:41:31,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:31,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:31,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:41:31,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:41:31,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:41:31,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:41:31,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:31,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (1/1) ... [2019-11-27 22:41:32,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:41:32,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:41:32,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:41:32,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:41:32,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (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 [2019-11-27 22:41:32,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:41:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:41:34,396 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:41:34,397 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:41:34,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:41:34 BoogieIcfgContainer [2019-11-27 22:41:34,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:41:34,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:41:34,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:41:34,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:41:34,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:41:30" (1/3) ... [2019-11-27 22:41:34,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d865e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:41:34, skipping insertion in model container [2019-11-27 22:41:34,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:41:31" (2/3) ... [2019-11-27 22:41:34,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d865e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:41:34, skipping insertion in model container [2019-11-27 22:41:34,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:41:34" (3/3) ... [2019-11-27 22:41:34,412 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-11-27 22:41:34,422 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:41:34,432 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:41:34,444 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:41:34,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:41:34,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:41:34,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:41:34,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:41:34,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:41:34,497 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:41:34,497 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:41:34,498 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:41:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-27 22:41:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-27 22:41:34,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:34,576 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:34,577 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:34,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:34,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-11-27 22:41:34,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:34,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506258638] [2019-11-27 22:41:34,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:41:35,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506258638] [2019-11-27 22:41:35,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:35,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:35,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677524718] [2019-11-27 22:41:35,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:41:35,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:35,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:41:35,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:41:35,382 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-27 22:41:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:37,640 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-11-27 22:41:37,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:41:37,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-11-27 22:41:37,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:37,663 INFO L225 Difference]: With dead ends: 1023 [2019-11-27 22:41:37,664 INFO L226 Difference]: Without dead ends: 654 [2019-11-27 22:41:37,669 INFO L630 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 [2019-11-27 22:41:37,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-11-27 22:41:37,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-11-27 22:41:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-11-27 22:41:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-11-27 22:41:37,781 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-11-27 22:41:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:37,783 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-11-27 22:41:37,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:41:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-11-27 22:41:37,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-27 22:41:37,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:37,793 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:37,793 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:37,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-11-27 22:41:37,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:37,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209962094] [2019-11-27 22:41:37,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:41:37,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209962094] [2019-11-27 22:41:37,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:37,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:41:37,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041422642] [2019-11-27 22:41:37,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:37,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:37,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:37,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:37,914 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-11-27 22:41:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:39,025 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-11-27 22:41:39,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:39,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-27 22:41:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:39,035 INFO L225 Difference]: With dead ends: 1929 [2019-11-27 22:41:39,035 INFO L226 Difference]: Without dead ends: 1279 [2019-11-27 22:41:39,039 INFO L630 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 [2019-11-27 22:41:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-27 22:41:39,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-11-27 22:41:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-11-27 22:41:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-11-27 22:41:39,086 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-11-27 22:41:39,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:39,087 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-11-27 22:41:39,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-11-27 22:41:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-27 22:41:39,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:39,092 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:39,092 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-11-27 22:41:39,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:39,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179358286] [2019-11-27 22:41:39,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:41:39,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179358286] [2019-11-27 22:41:39,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:39,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:39,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078142119] [2019-11-27 22:41:39,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:39,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:39,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:39,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:39,390 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-11-27 22:41:40,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:40,595 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-11-27 22:41:40,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:40,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-27 22:41:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:40,609 INFO L225 Difference]: With dead ends: 3758 [2019-11-27 22:41:40,609 INFO L226 Difference]: Without dead ends: 2495 [2019-11-27 22:41:40,612 INFO L630 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 [2019-11-27 22:41:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-11-27 22:41:40,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-11-27 22:41:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-11-27 22:41:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-11-27 22:41:40,666 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-11-27 22:41:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:40,667 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-11-27 22:41:40,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-11-27 22:41:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-27 22:41:40,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:40,675 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:40,676 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:40,676 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-11-27 22:41:40,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:40,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678860660] [2019-11-27 22:41:40,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:41:40,779 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678860660] [2019-11-27 22:41:40,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:40,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:40,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168786087] [2019-11-27 22:41:40,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:41:40,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:40,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:41:40,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:41:40,782 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-11-27 22:41:41,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:41,894 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-11-27 22:41:41,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:41:41,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-11-27 22:41:41,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:41,909 INFO L225 Difference]: With dead ends: 4955 [2019-11-27 22:41:41,910 INFO L226 Difference]: Without dead ends: 2464 [2019-11-27 22:41:41,914 INFO L630 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 [2019-11-27 22:41:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-11-27 22:41:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-11-27 22:41:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-11-27 22:41:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-11-27 22:41:41,972 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-11-27 22:41:41,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:41,972 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-11-27 22:41:41,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:41:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-11-27 22:41:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-27 22:41:41,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:41,981 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:41,981 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:41,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-11-27 22:41:41,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:41,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759878690] [2019-11-27 22:41:41,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:41:42,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759878690] [2019-11-27 22:41:42,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:42,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:42,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554581624] [2019-11-27 22:41:42,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:41:42,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:42,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:41:42,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:41:42,101 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-11-27 22:41:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:43,929 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-11-27 22:41:43,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:41:43,936 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-11-27 22:41:43,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:43,970 INFO L225 Difference]: With dead ends: 9843 [2019-11-27 22:41:43,971 INFO L226 Difference]: Without dead ends: 7381 [2019-11-27 22:41:43,976 INFO L630 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 [2019-11-27 22:41:43,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-11-27 22:41:44,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-11-27 22:41:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-27 22:41:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-11-27 22:41:44,130 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-11-27 22:41:44,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:44,131 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-11-27 22:41:44,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:41:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-11-27 22:41:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-27 22:41:44,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:44,146 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:44,146 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:44,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:44,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-11-27 22:41:44,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:44,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287379874] [2019-11-27 22:41:44,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-27 22:41:44,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287379874] [2019-11-27 22:41:44,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:44,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:44,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276131981] [2019-11-27 22:41:44,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:44,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:44,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:44,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:44,258 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-11-27 22:41:45,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:45,325 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-11-27 22:41:45,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:45,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-11-27 22:41:45,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:45,354 INFO L225 Difference]: With dead ends: 14758 [2019-11-27 22:41:45,354 INFO L226 Difference]: Without dead ends: 7383 [2019-11-27 22:41:45,365 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:45,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-11-27 22:41:45,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-11-27 22:41:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-27 22:41:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-11-27 22:41:45,518 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-11-27 22:41:45,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:45,518 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-11-27 22:41:45,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-11-27 22:41:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-27 22:41:45,528 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:45,528 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:45,528 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:45,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-11-27 22:41:45,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:45,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317106812] [2019-11-27 22:41:45,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:41:45,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317106812] [2019-11-27 22:41:45,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:45,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:45,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618267676] [2019-11-27 22:41:45,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:45,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:45,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:45,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:45,829 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-11-27 22:41:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:46,837 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-11-27 22:41:46,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:46,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-11-27 22:41:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:46,878 INFO L225 Difference]: With dead ends: 21872 [2019-11-27 22:41:46,878 INFO L226 Difference]: Without dead ends: 14497 [2019-11-27 22:41:46,888 INFO L630 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 [2019-11-27 22:41:46,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-11-27 22:41:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-11-27 22:41:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-27 22:41:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-11-27 22:41:47,136 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-11-27 22:41:47,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:47,136 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-11-27 22:41:47,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-11-27 22:41:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-27 22:41:47,149 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:47,149 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:47,150 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:47,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:47,151 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-11-27 22:41:47,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:47,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223036814] [2019-11-27 22:41:47,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:41:47,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223036814] [2019-11-27 22:41:47,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:47,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:41:47,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144213935] [2019-11-27 22:41:47,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:41:47,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:47,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:41:47,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:41:47,330 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-11-27 22:41:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:48,482 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-11-27 22:41:48,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:48,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-11-27 22:41:48,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:48,657 INFO L225 Difference]: With dead ends: 28974 [2019-11-27 22:41:48,657 INFO L226 Difference]: Without dead ends: 14488 [2019-11-27 22:41:48,670 INFO L630 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 [2019-11-27 22:41:48,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-11-27 22:41:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-11-27 22:41:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-27 22:41:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-11-27 22:41:48,871 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-11-27 22:41:48,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:48,872 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-11-27 22:41:48,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:41:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-11-27 22:41:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-27 22:41:48,886 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:48,886 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:48,887 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:48,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:48,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-11-27 22:41:48,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:48,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869422127] [2019-11-27 22:41:48,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-27 22:41:48,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869422127] [2019-11-27 22:41:48,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:41:48,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:41:48,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410660628] [2019-11-27 22:41:48,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:48,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:48,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:49,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:41:49,000 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-11-27 22:41:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:50,236 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-11-27 22:41:50,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:50,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-27 22:41:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:50,290 INFO L225 Difference]: With dead ends: 35718 [2019-11-27 22:41:50,290 INFO L226 Difference]: Without dead ends: 21232 [2019-11-27 22:41:50,310 INFO L630 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 [2019-11-27 22:41:50,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-11-27 22:41:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-11-27 22:41:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-11-27 22:41:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-11-27 22:41:50,672 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-11-27 22:41:50,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:50,673 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-11-27 22:41:50,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-11-27 22:41:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-27 22:41:50,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:50,700 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:50,701 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-11-27 22:41:50,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:50,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888074423] [2019-11-27 22:41:50,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-27 22:41:50,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888074423] [2019-11-27 22:41:50,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531330916] [2019-11-27 22:41:50,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:51,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:41:51,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:41:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-27 22:41:51,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:41:51,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-11-27 22:41:51,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013897705] [2019-11-27 22:41:51,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:51,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:51,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:51,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:41:51,553 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-11-27 22:41:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:52,715 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-11-27 22:41:52,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:52,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-11-27 22:41:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:52,759 INFO L225 Difference]: With dead ends: 42470 [2019-11-27 22:41:52,759 INFO L226 Difference]: Without dead ends: 21245 [2019-11-27 22:41:52,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:41:52,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-11-27 22:41:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-11-27 22:41:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-11-27 22:41:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-11-27 22:41:53,202 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-11-27 22:41:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:53,202 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-11-27 22:41:53,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-11-27 22:41:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-27 22:41:53,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:53,224 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:53,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:53,428 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:53,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:53,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-11-27 22:41:53,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:53,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996160135] [2019-11-27 22:41:53,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-27 22:41:53,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996160135] [2019-11-27 22:41:53,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414392377] [2019-11-27 22:41:53,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:53,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:41:53,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:41:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-27 22:41:53,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:41:53,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-27 22:41:53,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331706354] [2019-11-27 22:41:53,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:53,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:53,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:53,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:41:53,847 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-11-27 22:41:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:55,113 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-11-27 22:41:55,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:55,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-11-27 22:41:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:55,178 INFO L225 Difference]: With dead ends: 55276 [2019-11-27 22:41:55,178 INFO L226 Difference]: Without dead ends: 34660 [2019-11-27 22:41:55,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-27 22:41:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-11-27 22:41:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-11-27 22:41:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-11-27 22:41:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-11-27 22:41:55,702 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-11-27 22:41:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:55,702 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-11-27 22:41:55,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-11-27 22:41:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-27 22:41:55,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:41:55,730 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:41:55,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:55,936 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:41:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:41:55,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-11-27 22:41:55,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:41:55,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114090431] [2019-11-27 22:41:55,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:41:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:41:56,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114090431] [2019-11-27 22:41:56,352 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670204238] [2019-11-27 22:41:56,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:41:56,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:41:56,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:41:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-27 22:41:56,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:41:56,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-27 22:41:56,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248939762] [2019-11-27 22:41:56,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:41:56,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:41:56,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:41:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:41:56,724 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-11-27 22:41:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:41:58,223 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-11-27 22:41:58,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:41:58,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-27 22:41:58,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:41:58,226 INFO L225 Difference]: With dead ends: 69874 [2019-11-27 22:41:58,226 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:41:58,258 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-27 22:41:58,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:41:58,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:41:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:41:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:41:58,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-11-27 22:41:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:41:58,259 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:41:58,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:41:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:41:58,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:41:58,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:41:58,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:41:58,623 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-27 22:41:58,758 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-27 22:41:59,172 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-27 22:41:59,598 WARN L192 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,602 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,603 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,604 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-27 22:41:59,604 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,605 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,606 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,606 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,606 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,606 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,606 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,607 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-27 22:41:59,608 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,609 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-27 22:41:59,610 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-27 22:41:59,610 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-27 22:41:59,610 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,610 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,610 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,611 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,612 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,613 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,613 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,613 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-27 22:41:59,613 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-27 22:41:59,613 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,614 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,615 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,615 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,615 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,615 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,615 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,616 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,617 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-27 22:41:59,618 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,619 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-27 22:41:59,620 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-27 22:41:59,621 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,621 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,621 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,621 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-27 22:41:59,621 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-27 22:41:59,622 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,622 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,624 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,625 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,626 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,627 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-27 22:41:59,627 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,627 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,627 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,628 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,629 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,630 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,630 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,630 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,630 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,631 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,632 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-27 22:41:59,632 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-27 22:41:59,632 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,632 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse9 (<= ~a12~0 0)) (.cse1 (= 1 ~a3~0)) (.cse6 (= 1 ~a6~0)) (.cse10 (not (= 0 ~a3~0))) (.cse7 (= ~a27~0 1)) (.cse5 (<= ~a3~0 0)) (.cse0 (<= ~a6~0 0)) (.cse2 (= 1 ~a5~0)) (.cse3 (= ~a12~0 1)) (.cse4 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse7 .cse2 .cse3 .cse8) (and .cse7 .cse2 .cse6 .cse3 .cse8) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse0 .cse9 .cse2 .cse8 .cse4) (and .cse0 .cse9 .cse7 .cse2) (and .cse7 .cse2 .cse6 .cse3 (= ~a15~0 1)) (and .cse10 .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse8 .cse4) (and .cse5 .cse9 .cse2 .cse6) (and .cse10 .cse7 .cse2 .cse6 .cse3) (and .cse9 .cse2 .cse6 .cse4) (and .cse9 .cse7 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (= ~a10~0 1) .cse2 .cse6 .cse3 (not (= 1 ~a7~0)) .cse4) (and .cse10 .cse0 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 .cse4))) [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,633 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-27 22:41:59,634 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,635 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,636 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,636 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-27 22:41:59,636 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,637 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-27 22:41:59,638 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,639 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,640 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,641 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,641 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-27 22:41:59,641 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-27 22:41:59,641 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,642 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-27 22:41:59,642 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-27 22:41:59,643 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-27 22:41:59,643 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,643 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,643 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,643 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,644 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,644 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-27 22:41:59,644 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-27 22:41:59,646 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,647 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,648 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-27 22:41:59,649 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-27 22:41:59,650 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-27 22:41:59,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:41:59 BoogieIcfgContainer [2019-11-27 22:41:59,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:41:59,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:41:59,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:41:59,704 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:41:59,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:41:34" (3/4) ... [2019-11-27 22:41:59,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:41:59,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:41:59,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:42:00,064 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:42:00,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:42:00,066 INFO L168 Benchmark]: Toolchain (without parser) took 29764.51 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 887.1 MB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -385.3 MB). Peak memory consumption was 501.8 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,067 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:42:00,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1487.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.02 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,070 INFO L168 Benchmark]: Boogie Preprocessor took 127.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,070 INFO L168 Benchmark]: RCFGBuilder took 2286.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.5 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,071 INFO L168 Benchmark]: TraceAbstraction took 25301.48 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 604.5 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -180.1 MB). Peak memory consumption was 424.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,071 INFO L168 Benchmark]: Witness Printer took 361.09 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:42:00,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1487.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 194.02 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 127.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2286.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -132.5 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25301.48 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 604.5 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -180.1 MB). Peak memory consumption was 424.4 MB. Max. memory is 11.5 GB. * Witness Printer took 361.09 ms. Allocated memory is still 1.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a6 <= 0 && 1 == a3) && 1 == a5) && a12 == 1) && a27 <= 0) || ((((a3 <= 0 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && 1 == a5) && a12 == 1) && a26 == 1)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a26 == 1)) || ((((1 == a5 && 1 == a6) && a12 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && 1 == a5) && a26 == 1) && a27 <= 0)) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && 1 == a5)) || ((((a27 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && a15 == 1)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && 1 == a5) && a27 <= 0)) || ((((a6 <= 0 && 1 == a5) && a12 == 1) && a26 == 1) && a27 <= 0)) || (((a3 <= 0 && a12 <= 0) && 1 == a5) && 1 == a6)) || ((((!(0 == a3) && a27 == 1) && 1 == a5) && 1 == a6) && a12 == 1)) || (((a12 <= 0 && 1 == a5) && 1 == a6) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a5) && 1 == a6)) || ((((1 == a3 && 1 == a5) && 1 == a6) && a12 == 1) && a27 <= 0)) || (((((a10 == 1 && 1 == a5) && 1 == a6) && a12 == 1) && !(1 == a7)) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && 1 == a5) && a12 == 1)) || ((((a3 <= 0 && a6 <= 0) && 1 == a5) && a12 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 23.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7204 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...