./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/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 bd67834e8971a579ed0a849416006fd592ec6188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:04:08,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:04:08,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:04:08,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:04:08,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:04:08,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:04:08,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:04:08,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:04:08,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:04:08,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:04:08,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:04:08,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:04:08,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:04:08,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:04:08,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:04:08,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:04:08,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:04:08,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:04:08,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:04:08,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:04:08,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:04:08,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:04:08,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:04:08,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:04:08,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:04:08,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:04:08,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:04:08,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:04:08,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:04:08,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:04:08,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:04:08,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:04:08,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:04:08,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:04:08,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:04:08,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:04:08,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:04:08,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:04:08,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:04:08,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:04:08,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:04:08,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:04:08,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:04:08,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:04:08,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:04:08,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:04:08,867 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:04:08,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:04:08,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:04:08,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:04:08,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:04:08,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:04:08,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:04:08,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:04:08,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:04:08,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:04:08,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:04:08,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:04:08,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:04:08,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:04:08,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:04:08,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:04:08,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:04:08,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:04:08,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:04:08,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:04:08,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:04:08,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:04:08,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:04:08,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:04:08,873 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/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/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 -> bd67834e8971a579ed0a849416006fd592ec6188 [2019-11-19 23:04:09,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:04:09,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:04:09,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:04:09,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:04:09,066 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:04:09,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-19 23:04:09,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/data/78172c2df/83bd72d93fcb41dd809fb23d8b7478cf/FLAG47efdf68e [2019-11-19 23:04:09,640 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:04:09,641 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/sv-benchmarks/c/eca-rers2012/Problem10_label09.c [2019-11-19 23:04:09,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/data/78172c2df/83bd72d93fcb41dd809fb23d8b7478cf/FLAG47efdf68e [2019-11-19 23:04:09,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/data/78172c2df/83bd72d93fcb41dd809fb23d8b7478cf [2019-11-19 23:04:09,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:04:09,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:04:09,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:09,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:04:09,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:04:09,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:09" (1/1) ... [2019-11-19 23:04:09,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d3fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:09, skipping insertion in model container [2019-11-19 23:04:09,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:09" (1/1) ... [2019-11-19 23:04:09,997 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:04:10,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:04:10,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:10,666 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:04:10,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:10,846 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:04:10,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10 WrapperNode [2019-11-19 23:04:10,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:10,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:10,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:04:10,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:04:10,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:10,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:10,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:10,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:04:10,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:04:10,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:04:10,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:10,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:10,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:10,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:11,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:11,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:11,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... [2019-11-19 23:04:11,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:04:11,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:04:11,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:04:11,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:04:11,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/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 [2019-11-19 23:04:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:04:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:04:12,714 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:04:12,715 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:04:12,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:12 BoogieIcfgContainer [2019-11-19 23:04:12,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:04:12,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:04:12,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:04:12,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:04:12,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:04:09" (1/3) ... [2019-11-19 23:04:12,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e8085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:04:12, skipping insertion in model container [2019-11-19 23:04:12,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:10" (2/3) ... [2019-11-19 23:04:12,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e8085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:04:12, skipping insertion in model container [2019-11-19 23:04:12,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:12" (3/3) ... [2019-11-19 23:04:12,725 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2019-11-19 23:04:12,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:04:12,743 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:04:12,756 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:04:12,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:04:12,798 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:04:12,798 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:04:12,798 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:04:12,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:04:12,799 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:04:12,799 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:04:12,800 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:04:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-19 23:04:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-19 23:04:12,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:12,846 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:12,847 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:12,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:12,853 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-19 23:04:12,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:12,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694915740] [2019-11-19 23:04:12,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:13,230 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694915740] [2019-11-19 23:04:13,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:13,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:13,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356094378] [2019-11-19 23:04:13,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:13,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:13,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:13,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:13,260 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-19 23:04:15,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:15,380 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-19 23:04:15,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:15,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-19 23:04:15,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:15,412 INFO L225 Difference]: With dead ends: 709 [2019-11-19 23:04:15,412 INFO L226 Difference]: Without dead ends: 421 [2019-11-19 23:04:15,418 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:15,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-19 23:04:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-19 23:04:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-19 23:04:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2019-11-19 23:04:15,515 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 56 [2019-11-19 23:04:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:15,516 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2019-11-19 23:04:15,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2019-11-19 23:04:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 23:04:15,523 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:15,524 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:15,524 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:15,525 INFO L82 PathProgramCache]: Analyzing trace with hash -374097100, now seen corresponding path program 1 times [2019-11-19 23:04:15,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:15,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768828728] [2019-11-19 23:04:15,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:15,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768828728] [2019-11-19 23:04:15,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:15,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:15,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302250265] [2019-11-19 23:04:15,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:15,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:15,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:15,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:15,850 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2019-11-19 23:04:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:16,949 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2019-11-19 23:04:16,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:16,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-19 23:04:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:16,959 INFO L225 Difference]: With dead ends: 1118 [2019-11-19 23:04:16,960 INFO L226 Difference]: Without dead ends: 838 [2019-11-19 23:04:16,963 INFO L630 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 [2019-11-19 23:04:16,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-19 23:04:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-19 23:04:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-19 23:04:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2019-11-19 23:04:17,002 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 126 [2019-11-19 23:04:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:17,003 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2019-11-19 23:04:17,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2019-11-19 23:04:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-19 23:04:17,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:17,009 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:17,009 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:17,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1619344244, now seen corresponding path program 1 times [2019-11-19 23:04:17,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:17,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184789858] [2019-11-19 23:04:17,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:17,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184789858] [2019-11-19 23:04:17,312 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047266343] [2019-11-19 23:04:17,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:17,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:04:17,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:17,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:17,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-19 23:04:17,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552267923] [2019-11-19 23:04:17,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:04:17,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:17,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:04:17,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:04:17,484 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand 3 states. [2019-11-19 23:04:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:18,216 INFO L93 Difference]: Finished difference Result 1674 states and 2337 transitions. [2019-11-19 23:04:18,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:04:18,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-19 23:04:18,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:18,225 INFO L225 Difference]: With dead ends: 1674 [2019-11-19 23:04:18,225 INFO L226 Difference]: Without dead ends: 977 [2019-11-19 23:04:18,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:04:18,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-19 23:04:18,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-19 23:04:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-19 23:04:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1323 transitions. [2019-11-19 23:04:18,265 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1323 transitions. Word has length 131 [2019-11-19 23:04:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:18,266 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1323 transitions. [2019-11-19 23:04:18,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:04:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1323 transitions. [2019-11-19 23:04:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-19 23:04:18,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:18,273 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:18,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:18,482 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:18,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:18,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1769594780, now seen corresponding path program 1 times [2019-11-19 23:04:18,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:18,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736068546] [2019-11-19 23:04:18,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:18,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736068546] [2019-11-19 23:04:18,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:18,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:18,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546370369] [2019-11-19 23:04:18,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:18,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:18,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:18,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:18,719 INFO L87 Difference]: Start difference. First operand 977 states and 1323 transitions. Second operand 4 states. [2019-11-19 23:04:19,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:19,822 INFO L93 Difference]: Finished difference Result 3203 states and 4261 transitions. [2019-11-19 23:04:19,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:19,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-11-19 23:04:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:19,838 INFO L225 Difference]: With dead ends: 3203 [2019-11-19 23:04:19,839 INFO L226 Difference]: Without dead ends: 2228 [2019-11-19 23:04:19,841 INFO L630 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 [2019-11-19 23:04:19,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-19 23:04:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2019-11-19 23:04:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-11-19 23:04:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1888 transitions. [2019-11-19 23:04:19,892 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1888 transitions. Word has length 147 [2019-11-19 23:04:19,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:19,893 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1888 transitions. [2019-11-19 23:04:19,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1888 transitions. [2019-11-19 23:04:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-19 23:04:19,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:19,901 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:19,901 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:19,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 2080572887, now seen corresponding path program 1 times [2019-11-19 23:04:19,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:19,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278982726] [2019-11-19 23:04:19,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-19 23:04:20,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278982726] [2019-11-19 23:04:20,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:20,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:04:20,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260884478] [2019-11-19 23:04:20,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:04:20,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:20,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:04:20,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:04:20,187 INFO L87 Difference]: Start difference. First operand 1533 states and 1888 transitions. Second operand 5 states. [2019-11-19 23:04:22,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:22,177 INFO L93 Difference]: Finished difference Result 4871 states and 5977 transitions. [2019-11-19 23:04:22,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:04:22,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 223 [2019-11-19 23:04:22,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:22,199 INFO L225 Difference]: With dead ends: 4871 [2019-11-19 23:04:22,200 INFO L226 Difference]: Without dead ends: 3340 [2019-11-19 23:04:22,203 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:04:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-19 23:04:22,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2645. [2019-11-19 23:04:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2645 states. [2019-11-19 23:04:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3166 transitions. [2019-11-19 23:04:22,325 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3166 transitions. Word has length 223 [2019-11-19 23:04:22,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:22,327 INFO L462 AbstractCegarLoop]: Abstraction has 2645 states and 3166 transitions. [2019-11-19 23:04:22,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:04:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3166 transitions. [2019-11-19 23:04:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-19 23:04:22,335 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:22,335 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:22,336 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:22,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1447619414, now seen corresponding path program 1 times [2019-11-19 23:04:22,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:22,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053794876] [2019-11-19 23:04:22,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:22,607 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053794876] [2019-11-19 23:04:22,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:22,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:04:22,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714856467] [2019-11-19 23:04:22,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:22,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:22,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:22,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:22,610 INFO L87 Difference]: Start difference. First operand 2645 states and 3166 transitions. Second operand 4 states. [2019-11-19 23:04:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:23,557 INFO L93 Difference]: Finished difference Result 5983 states and 7202 transitions. [2019-11-19 23:04:23,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:23,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-11-19 23:04:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:23,577 INFO L225 Difference]: With dead ends: 5983 [2019-11-19 23:04:23,577 INFO L226 Difference]: Without dead ends: 3340 [2019-11-19 23:04:23,581 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2019-11-19 23:04:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2923. [2019-11-19 23:04:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2923 states. [2019-11-19 23:04:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3445 transitions. [2019-11-19 23:04:23,655 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3445 transitions. Word has length 260 [2019-11-19 23:04:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:23,656 INFO L462 AbstractCegarLoop]: Abstraction has 2923 states and 3445 transitions. [2019-11-19 23:04:23,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3445 transitions. [2019-11-19 23:04:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-19 23:04:23,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:23,665 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:23,665 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:23,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:23,666 INFO L82 PathProgramCache]: Analyzing trace with hash -68619625, now seen corresponding path program 1 times [2019-11-19 23:04:23,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:23,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909043079] [2019-11-19 23:04:23,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:23,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909043079] [2019-11-19 23:04:23,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:23,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:04:23,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083456050] [2019-11-19 23:04:23,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:04:23,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:04:23,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:04:23,895 INFO L87 Difference]: Start difference. First operand 2923 states and 3445 transitions. Second operand 5 states. [2019-11-19 23:04:25,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:25,291 INFO L93 Difference]: Finished difference Result 7373 states and 8583 transitions. [2019-11-19 23:04:25,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:04:25,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2019-11-19 23:04:25,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:25,308 INFO L225 Difference]: With dead ends: 7373 [2019-11-19 23:04:25,308 INFO L226 Difference]: Without dead ends: 2645 [2019-11-19 23:04:25,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:04:25,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-11-19 23:04:25,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2367. [2019-11-19 23:04:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2019-11-19 23:04:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2650 transitions. [2019-11-19 23:04:25,372 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2650 transitions. Word has length 268 [2019-11-19 23:04:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:25,372 INFO L462 AbstractCegarLoop]: Abstraction has 2367 states and 2650 transitions. [2019-11-19 23:04:25,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:04:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2650 transitions. [2019-11-19 23:04:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-11-19 23:04:25,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:25,383 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 23:04:25,383 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:25,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:25,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1078107625, now seen corresponding path program 1 times [2019-11-19 23:04:25,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:25,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537668544] [2019-11-19 23:04:25,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-19 23:04:25,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537668544] [2019-11-19 23:04:25,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:25,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:04:25,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304910369] [2019-11-19 23:04:25,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:25,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:25,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:25,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:25,669 INFO L87 Difference]: Start difference. First operand 2367 states and 2650 transitions. Second operand 4 states. [2019-11-19 23:04:26,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:26,365 INFO L93 Difference]: Finished difference Result 2367 states and 2650 transitions. [2019-11-19 23:04:26,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:26,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 334 [2019-11-19 23:04:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:26,367 INFO L225 Difference]: With dead ends: 2367 [2019-11-19 23:04:26,367 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:04:26,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:26,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:04:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:04:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:04:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:04:26,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 334 [2019-11-19 23:04:26,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:26,371 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:04:26,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:04:26,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:04:26,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:04:26,837 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-19 23:04:27,138 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-19 23:04:27,143 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,144 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 23:04:27,145 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,146 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 23:04:27,147 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,148 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,149 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,149 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,152 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,153 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-19 23:04:27,153 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 23:04:27,153 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 23:04:27,153 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 23:04:27,153 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 23:04:27,154 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 23:04:27,155 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse2 (not (= 10 ~a19~0)))) (let ((.cse3 (and .cse1 .cse2)) (.cse0 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2) (<= ~a10~0 1) (= 9 ~a19~0) (and (= ~a10~0 2) (= ~a19~0 7)) (and .cse3 (< 0 (+ ~a1~0 13))) (and (not (= ~a19~0 6)) .cse3) (and .cse0 (= ~a19~0 8))))) [2019-11-19 23:04:27,155 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-19 23:04:27,156 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-19 23:04:27,156 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-19 23:04:27,156 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-19 23:04:27,156 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,156 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,157 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,157 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,157 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,157 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-19 23:04:27,158 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-19 23:04:27,160 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-19 23:04:27,160 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 23:04:27,160 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 23:04:27,161 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 23:04:27,161 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 23:04:27,161 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 23:04:27,161 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-19 23:04:27,161 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-19 23:04:27,162 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-19 23:04:27,162 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-19 23:04:27,162 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-19 23:04:27,162 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-19 23:04:27,162 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,163 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,163 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,163 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,164 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,165 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 23:04:27,165 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 23:04:27,165 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 23:04:27,165 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 23:04:27,165 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 23:04:27,166 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-19 23:04:27,166 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-19 23:04:27,166 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-19 23:04:27,166 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-19 23:04:27,166 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-19 23:04:27,167 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 23:04:27,168 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 23:04:27,169 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 23:04:27,169 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-19 23:04:27,169 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-19 23:04:27,169 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:04:27,169 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 38)) (.cse2 (not (= 10 ~a19~0)))) (let ((.cse3 (and .cse1 .cse2)) (.cse0 (not (= ~a10~0 3)))) (or (and .cse0 .cse1 .cse2) (<= ~a10~0 1) (= 9 ~a19~0) (and (= ~a10~0 2) (= ~a19~0 7)) (and .cse3 (< 0 (+ ~a1~0 13))) (and (not (= ~a19~0 6)) .cse3) (and .cse0 (= ~a19~0 8))))) [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,170 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-19 23:04:27,171 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 23:04:27,172 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-19 23:04:27,173 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-19 23:04:27,173 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-19 23:04:27,173 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-19 23:04:27,174 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,174 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,174 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,174 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,174 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:04:27,175 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 23:04:27,176 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,177 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-19 23:04:27,178 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:04:27,179 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-19 23:04:27,180 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,181 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 23:04:27,182 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:04:27,183 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-11-19 23:04:27,184 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-19 23:04:27,184 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 23:04:27,185 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 23:04:27,186 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 23:04:27,187 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 23:04:27,187 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 23:04:27,187 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-19 23:04:27,187 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-19 23:04:27,187 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-19 23:04:27,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:04:27 BoogieIcfgContainer [2019-11-19 23:04:27,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:04:27,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:04:27,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:04:27,228 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:04:27,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:12" (3/4) ... [2019-11-19 23:04:27,233 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:04:27,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:04:27,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:04:27,492 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_298bf662-b279-486b-a4a5-3bd5d290aea0/bin/uautomizer/witness.graphml [2019-11-19 23:04:27,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:04:27,494 INFO L168 Benchmark]: Toolchain (without parser) took 17519.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 413.7 MB). Free memory was 940.7 MB in the beginning and 829.1 MB in the end (delta: 111.6 MB). Peak memory consumption was 525.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,495 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-19 23:04:27,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 873.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.04 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,496 INFO L168 Benchmark]: Boogie Preprocessor took 83.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:04:27,496 INFO L168 Benchmark]: RCFGBuilder took 1672.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,497 INFO L168 Benchmark]: TraceAbstraction took 14510.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 981.0 MB in the beginning and 857.2 MB in the end (delta: 123.8 MB). Peak memory consumption was 395.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,497 INFO L168 Benchmark]: Witness Printer took 265.00 ms. Allocated memory is still 1.4 GB. Free memory was 857.2 MB in the beginning and 829.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:04:27,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 873.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.04 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1672.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.0 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14510.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 981.0 MB in the beginning and 857.2 MB in the end (delta: 123.8 MB). Peak memory consumption was 395.4 MB. Max. memory is 11.5 GB. * Witness Printer took 265.00 ms. Allocated memory is still 1.4 GB. Free memory was 857.2 MB in the beginning and 829.1 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && a1 <= 38) && !(10 == a19)) || a10 <= 1) || 9 == a19) || (a10 == 2 && a19 == 7)) || ((a1 <= 38 && !(10 == a19)) && 0 < a1 + 13)) || (!(a19 == 6) && a1 <= 38 && !(10 == a19))) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(a10 == 3) && a1 <= 38) && !(10 == a19)) || a10 <= 1) || 9 == a19) || (a10 == 2 && a19 == 7)) || ((a1 <= 38 && !(10 == a19)) && 0 < a1 + 13)) || (!(a19 == 6) && a1 <= 38 && !(10 == a19))) || (!(a10 == 3) && a19 == 8) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 14.3s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 451 SDtfs, 2043 SDslu, 87 SDs, 0 SdLazy, 5835 SolverSat, 882 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 140 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2923occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2363 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1106 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2060 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1667 ConstructedInterpolants, 0 QuantifiedInterpolants, 977427 SizeOfPredicates, 1 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1142/1143 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...