./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer --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 c5d4c7b38a296f79910d0f6d17d9b88307731454 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:23,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:23,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:23,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:23,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:23,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:23,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:23,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:23,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:23,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:23,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:23,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:23,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:23,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:23,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:23,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:23,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:23,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:23,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:23,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:23,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:23,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:23,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:23,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:23,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:23,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:23,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:23,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:23,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:23,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:23,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:23,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:23,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:23,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:23,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:23,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:23,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:23,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:23,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:23,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:23,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:23,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:23,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:23,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:23,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:23,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:23,840 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:23,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:23,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:23,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:23,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:23,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:23,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:23,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:23,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:23,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:23,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:23,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:23,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:23,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:23,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:23,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:23,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:23,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:23,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:23,844 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer 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 -> c5d4c7b38a296f79910d0f6d17d9b88307731454 [2019-10-22 08:59:23,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:23,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:23,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:23,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:23,889 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:23,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label36.c [2019-10-22 08:59:23,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/data/05c4ac6e2/6382b1997c8447bc938b2d052fb080e1/FLAGf47d07d7a [2019-10-22 08:59:24,419 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:24,420 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/sv-benchmarks/c/eca-rers2012/Problem01_label36.c [2019-10-22 08:59:24,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/data/05c4ac6e2/6382b1997c8447bc938b2d052fb080e1/FLAGf47d07d7a [2019-10-22 08:59:24,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/data/05c4ac6e2/6382b1997c8447bc938b2d052fb080e1 [2019-10-22 08:59:24,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:24,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:24,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:24,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:24,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:24,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:24" (1/1) ... [2019-10-22 08:59:24,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d067a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:24, skipping insertion in model container [2019-10-22 08:59:24,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:24" (1/1) ... [2019-10-22 08:59:24,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:24,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:24,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:25,000 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:25,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:25,117 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:25,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25 WrapperNode [2019-10-22 08:59:25,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:25,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:25,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:25,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:25,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:25,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:25,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:25,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:25,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... [2019-10-22 08:59:25,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:25,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:25,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:25,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:25,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/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 [2019-10-22 08:59:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:26,299 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:26,299 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:59:26,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:26 BoogieIcfgContainer [2019-10-22 08:59:26,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:26,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:26,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:26,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:26,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:24" (1/3) ... [2019-10-22 08:59:26,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef1698b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:26, skipping insertion in model container [2019-10-22 08:59:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:25" (2/3) ... [2019-10-22 08:59:26,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef1698b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:26, skipping insertion in model container [2019-10-22 08:59:26,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:26" (3/3) ... [2019-10-22 08:59:26,311 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label36.c [2019-10-22 08:59:26,319 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:26,326 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:26,335 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:26,363 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:26,363 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:26,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:26,363 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:26,363 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:26,364 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:26,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:26,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-22 08:59:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-22 08:59:26,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:26,397 INFO L380 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] [2019-10-22 08:59:26,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:26,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2059373479, now seen corresponding path program 1 times [2019-10-22 08:59:26,412 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:26,412 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101300316] [2019-10-22 08:59:26,413 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:26,413 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:26,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:26,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101300316] [2019-10-22 08:59:26,829 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:26,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:26,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32053982] [2019-10-22 08:59:26,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:26,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:26,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:26,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:26,852 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-10-22 08:59:28,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:28,118 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-10-22 08:59:28,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:28,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-10-22 08:59:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:28,139 INFO L225 Difference]: With dead ends: 662 [2019-10-22 08:59:28,139 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 08:59:28,144 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:28,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 08:59:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 266. [2019-10-22 08:59:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-10-22 08:59:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-10-22 08:59:28,212 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 102 [2019-10-22 08:59:28,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:28,213 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-10-22 08:59:28,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-10-22 08:59:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-22 08:59:28,216 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:28,216 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 08:59:28,216 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:28,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:28,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1045586682, now seen corresponding path program 1 times [2019-10-22 08:59:28,217 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:28,217 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614819882] [2019-10-22 08:59:28,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:28,217 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:28,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:28,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614819882] [2019-10-22 08:59:28,275 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:28,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:28,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54767820] [2019-10-22 08:59:28,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:28,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:28,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:28,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:28,277 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-10-22 08:59:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:28,961 INFO L93 Difference]: Finished difference Result 1054 states and 1512 transitions. [2019-10-22 08:59:28,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:28,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-22 08:59:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:28,965 INFO L225 Difference]: With dead ends: 1054 [2019-10-22 08:59:28,965 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 08:59:28,974 INFO L600 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 [2019-10-22 08:59:28,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 08:59:29,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2019-10-22 08:59:29,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-22 08:59:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1068 transitions. [2019-10-22 08:59:29,047 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1068 transitions. Word has length 108 [2019-10-22 08:59:29,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:29,047 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1068 transitions. [2019-10-22 08:59:29,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2019-10-22 08:59:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-22 08:59:29,051 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:29,051 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:29,051 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:29,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:29,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1471586822, now seen corresponding path program 1 times [2019-10-22 08:59:29,052 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:29,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673963578] [2019-10-22 08:59:29,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:29,052 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:29,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:29,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673963578] [2019-10-22 08:59:29,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:29,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:29,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157461205] [2019-10-22 08:59:29,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:29,173 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:29,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:29,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:29,178 INFO L87 Difference]: Start difference. First operand 790 states and 1068 transitions. Second operand 3 states. [2019-10-22 08:59:29,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:29,591 INFO L93 Difference]: Finished difference Result 2102 states and 2852 transitions. [2019-10-22 08:59:29,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:29,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-10-22 08:59:29,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:29,595 INFO L225 Difference]: With dead ends: 2102 [2019-10-22 08:59:29,596 INFO L226 Difference]: Without dead ends: 1183 [2019-10-22 08:59:29,597 INFO L600 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 [2019-10-22 08:59:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-10-22 08:59:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2019-10-22 08:59:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-10-22 08:59:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1319 transitions. [2019-10-22 08:59:29,620 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1319 transitions. Word has length 109 [2019-10-22 08:59:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:29,621 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1319 transitions. [2019-10-22 08:59:29,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1319 transitions. [2019-10-22 08:59:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-22 08:59:29,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:29,625 INFO L380 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] [2019-10-22 08:59:29,625 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:29,626 INFO L82 PathProgramCache]: Analyzing trace with hash 818956648, now seen corresponding path program 1 times [2019-10-22 08:59:29,626 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:29,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726149510] [2019-10-22 08:59:29,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:29,627 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:29,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:59:29,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726149510] [2019-10-22 08:59:29,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:29,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:59:29,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050151802] [2019-10-22 08:59:29,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:29,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:29,675 INFO L87 Difference]: Start difference. First operand 1052 states and 1319 transitions. Second operand 3 states. [2019-10-22 08:59:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:30,092 INFO L93 Difference]: Finished difference Result 2757 states and 3480 transitions. [2019-10-22 08:59:30,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:30,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-10-22 08:59:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:30,097 INFO L225 Difference]: With dead ends: 2757 [2019-10-22 08:59:30,097 INFO L226 Difference]: Without dead ends: 1576 [2019-10-22 08:59:30,099 INFO L600 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 [2019-10-22 08:59:30,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-10-22 08:59:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2019-10-22 08:59:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-10-22 08:59:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1638 transitions. [2019-10-22 08:59:30,132 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1638 transitions. Word has length 117 [2019-10-22 08:59:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:30,132 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1638 transitions. [2019-10-22 08:59:30,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1638 transitions. [2019-10-22 08:59:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-22 08:59:30,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:30,136 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:30,136 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:30,136 INFO L82 PathProgramCache]: Analyzing trace with hash -343867564, now seen corresponding path program 1 times [2019-10-22 08:59:30,136 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:30,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711784032] [2019-10-22 08:59:30,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:30,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:30,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:59:30,263 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711784032] [2019-10-22 08:59:30,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:30,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:30,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461089579] [2019-10-22 08:59:30,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:30,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:30,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:30,264 INFO L87 Difference]: Start difference. First operand 1445 states and 1638 transitions. Second operand 4 states. [2019-10-22 08:59:30,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:30,735 INFO L93 Difference]: Finished difference Result 3027 states and 3424 transitions. [2019-10-22 08:59:30,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:30,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-10-22 08:59:30,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:30,740 INFO L225 Difference]: With dead ends: 3027 [2019-10-22 08:59:30,740 INFO L226 Difference]: Without dead ends: 1584 [2019-10-22 08:59:30,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2019-10-22 08:59:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1576. [2019-10-22 08:59:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-10-22 08:59:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1772 transitions. [2019-10-22 08:59:30,771 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1772 transitions. Word has length 125 [2019-10-22 08:59:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:30,771 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1772 transitions. [2019-10-22 08:59:30,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1772 transitions. [2019-10-22 08:59:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-22 08:59:30,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:30,774 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:30,774 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:30,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:30,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1453681636, now seen corresponding path program 1 times [2019-10-22 08:59:30,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:30,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159184326] [2019-10-22 08:59:30,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:30,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:30,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:30,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159184326] [2019-10-22 08:59:30,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:30,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:30,823 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465145229] [2019-10-22 08:59:30,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:30,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:30,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:30,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:30,824 INFO L87 Difference]: Start difference. First operand 1576 states and 1772 transitions. Second operand 4 states. [2019-10-22 08:59:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:31,347 INFO L93 Difference]: Finished difference Result 3674 states and 4184 transitions. [2019-10-22 08:59:31,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:31,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-10-22 08:59:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:31,353 INFO L225 Difference]: With dead ends: 3674 [2019-10-22 08:59:31,354 INFO L226 Difference]: Without dead ends: 2231 [2019-10-22 08:59:31,355 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-10-22 08:59:31,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1838. [2019-10-22 08:59:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-10-22 08:59:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2024 transitions. [2019-10-22 08:59:31,392 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2024 transitions. Word has length 129 [2019-10-22 08:59:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:31,393 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2024 transitions. [2019-10-22 08:59:31,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2024 transitions. [2019-10-22 08:59:31,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-22 08:59:31,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:31,396 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:31,396 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:31,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1636914809, now seen corresponding path program 1 times [2019-10-22 08:59:31,396 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:31,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063837002] [2019-10-22 08:59:31,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:31,397 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:31,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:31,528 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:59:31,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063837002] [2019-10-22 08:59:31,529 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:31,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:59:31,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037983200] [2019-10-22 08:59:31,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:31,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:31,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:31,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:31,530 INFO L87 Difference]: Start difference. First operand 1838 states and 2024 transitions. Second operand 8 states. [2019-10-22 08:59:32,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:32,426 INFO L93 Difference]: Finished difference Result 3981 states and 4389 transitions. [2019-10-22 08:59:32,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:32,427 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2019-10-22 08:59:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:32,432 INFO L225 Difference]: With dead ends: 3981 [2019-10-22 08:59:32,433 INFO L226 Difference]: Without dead ends: 2276 [2019-10-22 08:59:32,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:32,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2276 states. [2019-10-22 08:59:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2276 to 1969. [2019-10-22 08:59:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-10-22 08:59:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2156 transitions. [2019-10-22 08:59:32,476 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2156 transitions. Word has length 143 [2019-10-22 08:59:32,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:32,476 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2156 transitions. [2019-10-22 08:59:32,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2156 transitions. [2019-10-22 08:59:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-22 08:59:32,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:32,479 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:32,480 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:32,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1350213335, now seen corresponding path program 1 times [2019-10-22 08:59:32,480 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:32,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127773902] [2019-10-22 08:59:32,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:32,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:32,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:32,618 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:32,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127773902] [2019-10-22 08:59:32,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:32,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:32,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406239736] [2019-10-22 08:59:32,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:59:32,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:32,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:59:32,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:32,620 INFO L87 Difference]: Start difference. First operand 1969 states and 2156 transitions. Second operand 6 states. [2019-10-22 08:59:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:33,173 INFO L93 Difference]: Finished difference Result 4207 states and 4601 transitions. [2019-10-22 08:59:33,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:33,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-22 08:59:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:33,181 INFO L225 Difference]: With dead ends: 4207 [2019-10-22 08:59:33,181 INFO L226 Difference]: Without dead ends: 2371 [2019-10-22 08:59:33,184 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2019-10-22 08:59:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 1838. [2019-10-22 08:59:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-10-22 08:59:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1972 transitions. [2019-10-22 08:59:33,221 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1972 transitions. Word has length 176 [2019-10-22 08:59:33,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:33,222 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 1972 transitions. [2019-10-22 08:59:33,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:59:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1972 transitions. [2019-10-22 08:59:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-10-22 08:59:33,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:33,227 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:33,227 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:33,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:33,228 INFO L82 PathProgramCache]: Analyzing trace with hash -800900639, now seen corresponding path program 1 times [2019-10-22 08:59:33,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:33,228 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810070410] [2019-10-22 08:59:33,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:33,228 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:33,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-10-22 08:59:33,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810070410] [2019-10-22 08:59:33,398 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:33,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:33,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356608557] [2019-10-22 08:59:33,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:59:33,399 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:33,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:59:33,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:33,400 INFO L87 Difference]: Start difference. First operand 1838 states and 1972 transitions. Second operand 6 states. [2019-10-22 08:59:33,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:33,959 INFO L93 Difference]: Finished difference Result 3704 states and 3991 transitions. [2019-10-22 08:59:33,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:33,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 274 [2019-10-22 08:59:33,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:33,960 INFO L225 Difference]: With dead ends: 3704 [2019-10-22 08:59:33,960 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:33,963 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:33,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:33,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2019-10-22 08:59:33,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:33,963 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:33,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:59:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:33,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:33,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:59:34,083 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 70 [2019-10-22 08:59:34,322 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2019-10-22 08:59:34,498 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,501 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,502 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-22 08:59:34,503 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,504 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-22 08:59:34,505 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-22 08:59:34,506 INFO L439 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a16~0 6)) (.cse0 (not (= ~a8~0 13))) (.cse1 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 (= 5 ~a16~0)) (= 1 ~a7~0) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse4) (and (and .cse0 .cse1 .cse2) .cse3) (= ~a16~0 4))) [2019-10-22 08:59:34,512 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-22 08:59:34,513 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L446 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-22 08:59:34,514 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-22 08:59:34,515 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-22 08:59:34,516 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a16~0 6)) (.cse0 (not (= ~a8~0 13))) (.cse1 (= ~a17~0 1)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 (= 5 ~a16~0)) (= 1 ~a7~0) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse4) (and (and .cse0 .cse1 .cse2) .cse3) (= ~a16~0 4))) [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-22 08:59:34,517 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 08:59:34,518 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-22 08:59:34,521 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-22 08:59:34,521 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,521 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,521 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-22 08:59:34,522 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:59:34,523 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,524 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 08:59:34,525 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-22 08:59:34,534 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-22 08:59:34,535 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 08:59:34,536 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-22 08:59:34,536 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-22 08:59:34,536 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-22 08:59:34,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:34 BoogieIcfgContainer [2019-10-22 08:59:34,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:34,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:34,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:34,565 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:34,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:26" (3/4) ... [2019-10-22 08:59:34,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:34,587 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:59:34,590 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:59:34,711 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7b0b9da-8855-426d-8688-3a69ae6013d5/bin/uautomizer/witness.graphml [2019-10-22 08:59:34,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:34,715 INFO L168 Benchmark]: Toolchain (without parser) took 10263.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 409.5 MB). Free memory was 939.4 MB in the beginning and 1.2 GB in the end (delta: -288.5 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,715 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:34,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.74 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,716 INFO L168 Benchmark]: Boogie Preprocessor took 59.38 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,716 INFO L168 Benchmark]: RCFGBuilder took 1049.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,717 INFO L168 Benchmark]: TraceAbstraction took 8263.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 261.1 MB). Free memory was 999.2 MB in the beginning and 1.3 GB in the end (delta: -256.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,717 INFO L168 Benchmark]: Witness Printer took 149.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:34,719 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.74 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.38 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1049.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 108.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8263.82 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 261.1 MB). Free memory was 999.2 MB in the beginning and 1.3 GB in the end (delta: -256.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. * Witness Printer took 149.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 482]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((!(a8 == 13) && 5 == a16) || 1 == a7) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 == 6)) || (!(a8 == 13) && a16 == 6)) || (((!(a8 == 13) && a17 == 1) && a21 == 1) && a20 == 1)) || a16 == 4 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(a8 == 13) && 5 == a16) || 1 == a7) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 == 6)) || (!(a8 == 13) && a16 == 6)) || (((!(a8 == 13) && a17 == 1) && a21 == 1) && a20 == 1)) || a16 == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 639 SDtfs, 2551 SDslu, 111 SDs, 0 SdLazy, 5415 SolverSat, 841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1634 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 61 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7365 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1274 ConstructedInterpolants, 0 QuantifiedInterpolants, 501461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 627/627 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...