./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/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 19252d9b977a1b2caf6b350b292ab440fef944ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:36,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:36,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:36,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:36,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:36,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:36,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:36,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:36,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:36,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:36,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:36,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:36,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:36,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:36,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:36,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:36,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:36,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:36,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:36,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:36,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:36,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:36,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:36,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:36,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:36,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:36,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:36,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:36,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:36,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:36,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:36,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:36,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:36,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:36,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:36,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:36,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:36,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:36,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:36,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:36,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:36,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:37,008 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:37,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:37,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:37,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:37,010 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:37,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:37,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:37,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:37,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:37,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:37,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:37,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:37,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:37,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:37,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:37,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:37,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:37,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:37,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:37,014 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:37,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:37,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:37,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:37,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:37,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:37,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:37,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:37,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:37,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2019-10-22 09:01:37,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:37,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:37,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:37,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:37,073 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:37,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-10-22 09:01:37,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/data/ef5835fda/de7658bd65034ca39720345644d603d5/FLAG6c526a370 [2019-10-22 09:01:37,665 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:37,666 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/sv-benchmarks/c/eca-rers2012/Problem14_label49.c [2019-10-22 09:01:37,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/data/ef5835fda/de7658bd65034ca39720345644d603d5/FLAG6c526a370 [2019-10-22 09:01:37,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/data/ef5835fda/de7658bd65034ca39720345644d603d5 [2019-10-22 09:01:37,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:37,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:37,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:37,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:37,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:37,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:37" (1/1) ... [2019-10-22 09:01:37,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3f706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:37, skipping insertion in model container [2019-10-22 09:01:37,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:37" (1/1) ... [2019-10-22 09:01:37,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:37,995 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:38,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:38,417 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:38,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:38,588 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:38,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38 WrapperNode [2019-10-22 09:01:38,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:38,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:38,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:38,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:38,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:38,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:38,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:38,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:38,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... [2019-10-22 09:01:38,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:38,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:38,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:38,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:38,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:40,246 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:40,246 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:40,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:40 BoogieIcfgContainer [2019-10-22 09:01:40,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:40,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:40,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:40,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:40,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:37" (1/3) ... [2019-10-22 09:01:40,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab4646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:40, skipping insertion in model container [2019-10-22 09:01:40,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:38" (2/3) ... [2019-10-22 09:01:40,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab4646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:40, skipping insertion in model container [2019-10-22 09:01:40,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:40" (3/3) ... [2019-10-22 09:01:40,256 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label49.c [2019-10-22 09:01:40,266 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:40,274 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:40,284 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:40,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:40,309 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:40,309 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:40,309 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:40,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:40,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:40,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:40,310 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 09:01:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 09:01:40,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:40,344 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:40,346 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:40,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:40,351 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2019-10-22 09:01:40,357 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:40,358 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640670706] [2019-10-22 09:01:40,358 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:40,358 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:40,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:40,628 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640670706] [2019-10-22 09:01:40,629 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:40,629 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:40,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449015377] [2019-10-22 09:01:40,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:40,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:40,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:40,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:40,650 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 09:01:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:42,691 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 09:01:42,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:42,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-10-22 09:01:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:42,712 INFO L225 Difference]: With dead ends: 850 [2019-10-22 09:01:42,712 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 09:01:42,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 09:01:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 09:01:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 09:01:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 814 transitions. [2019-10-22 09:01:42,815 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 814 transitions. Word has length 59 [2019-10-22 09:01:42,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:42,815 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 814 transitions. [2019-10-22 09:01:42,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 814 transitions. [2019-10-22 09:01:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-22 09:01:42,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,819 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1848862609, now seen corresponding path program 1 times [2019-10-22 09:01:42,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:42,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591342005] [2019-10-22 09:01:42,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591342005] [2019-10-22 09:01:43,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:43,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849080430] [2019-10-22 09:01:43,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:43,004 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:43,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:43,005 INFO L87 Difference]: Start difference. First operand 538 states and 814 transitions. Second operand 4 states. [2019-10-22 09:01:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,209 INFO L93 Difference]: Finished difference Result 2142 states and 3248 transitions. [2019-10-22 09:01:44,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:44,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-10-22 09:01:44,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,217 INFO L225 Difference]: With dead ends: 2142 [2019-10-22 09:01:44,218 INFO L226 Difference]: Without dead ends: 1606 [2019-10-22 09:01:44,220 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-10-22 09:01:44,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1250. [2019-10-22 09:01:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2019-10-22 09:01:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1743 transitions. [2019-10-22 09:01:44,279 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1743 transitions. Word has length 125 [2019-10-22 09:01:44,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,279 INFO L462 AbstractCegarLoop]: Abstraction has 1250 states and 1743 transitions. [2019-10-22 09:01:44,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1743 transitions. [2019-10-22 09:01:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-22 09:01:44,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,283 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,283 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,283 INFO L82 PathProgramCache]: Analyzing trace with hash 764460886, now seen corresponding path program 1 times [2019-10-22 09:01:44,284 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899233410] [2019-10-22 09:01:44,284 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,284 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:44,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899233410] [2019-10-22 09:01:44,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:44,417 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015554027] [2019-10-22 09:01:44,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:44,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:44,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:44,418 INFO L87 Difference]: Start difference. First operand 1250 states and 1743 transitions. Second operand 4 states. [2019-10-22 09:01:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,760 INFO L93 Difference]: Finished difference Result 4100 states and 5634 transitions. [2019-10-22 09:01:45,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:45,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2019-10-22 09:01:45,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,770 INFO L225 Difference]: With dead ends: 4100 [2019-10-22 09:01:45,771 INFO L226 Difference]: Without dead ends: 2852 [2019-10-22 09:01:45,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2019-10-22 09:01:45,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2019-10-22 09:01:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-10-22 09:01:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3193 transitions. [2019-10-22 09:01:45,839 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3193 transitions. Word has length 127 [2019-10-22 09:01:45,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,841 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 3193 transitions. [2019-10-22 09:01:45,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3193 transitions. [2019-10-22 09:01:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-10-22 09:01:45,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,857 INFO L380 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:01:45,857 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,857 INFO L82 PathProgramCache]: Analyzing trace with hash -365851958, now seen corresponding path program 1 times [2019-10-22 09:01:45,858 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758295102] [2019-10-22 09:01:45,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,858 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 257 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-10-22 09:01:46,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758295102] [2019-10-22 09:01:46,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417917580] [2019-10-22 09:01:46,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/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 [2019-10-22 09:01:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:46,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-22 09:01:46,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:46,526 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:01:46,526 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734526539] [2019-10-22 09:01:46,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:46,530 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:46,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:46,531 INFO L87 Difference]: Start difference. First operand 2496 states and 3193 transitions. Second operand 3 states. [2019-10-22 09:01:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:47,366 INFO L93 Difference]: Finished difference Result 5702 states and 7313 transitions. [2019-10-22 09:01:47,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:47,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2019-10-22 09:01:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:47,381 INFO L225 Difference]: With dead ends: 5702 [2019-10-22 09:01:47,381 INFO L226 Difference]: Without dead ends: 3208 [2019-10-22 09:01:47,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:47,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-10-22 09:01:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2674. [2019-10-22 09:01:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 09:01:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3374 transitions. [2019-10-22 09:01:47,458 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3374 transitions. Word has length 316 [2019-10-22 09:01:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:47,461 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3374 transitions. [2019-10-22 09:01:47,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3374 transitions. [2019-10-22 09:01:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-10-22 09:01:47,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:47,468 INFO L380 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:01:47,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:47,670 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:47,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1342231161, now seen corresponding path program 1 times [2019-10-22 09:01:47,670 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:47,670 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122844850] [2019-10-22 09:01:47,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,671 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 258 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-10-22 09:01:48,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122844850] [2019-10-22 09:01:48,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108252442] [2019-10-22 09:01:48,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:48,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:48,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-10-22 09:01:48,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:48,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:01:48,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248079027] [2019-10-22 09:01:48,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:48,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:48,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:48,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:48,226 INFO L87 Difference]: Start difference. First operand 2674 states and 3374 transitions. Second operand 3 states. [2019-10-22 09:01:48,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:48,993 INFO L93 Difference]: Finished difference Result 5702 states and 7271 transitions. [2019-10-22 09:01:48,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:48,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 317 [2019-10-22 09:01:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:49,005 INFO L225 Difference]: With dead ends: 5702 [2019-10-22 09:01:49,006 INFO L226 Difference]: Without dead ends: 3208 [2019-10-22 09:01:49,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-10-22 09:01:49,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2674. [2019-10-22 09:01:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 09:01:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3374 transitions. [2019-10-22 09:01:49,063 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3374 transitions. Word has length 317 [2019-10-22 09:01:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:49,064 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3374 transitions. [2019-10-22 09:01:49,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3374 transitions. [2019-10-22 09:01:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-10-22 09:01:49,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,071 INFO L380 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:49,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:49,272 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,272 INFO L82 PathProgramCache]: Analyzing trace with hash -407136655, now seen corresponding path program 1 times [2019-10-22 09:01:49,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305260721] [2019-10-22 09:01:49,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 268 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-10-22 09:01:49,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305260721] [2019-10-22 09:01:49,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745920612] [2019-10-22 09:01:49,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:49,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-10-22 09:01:49,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:49,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:01:49,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697988344] [2019-10-22 09:01:49,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:49,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:49,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:49,762 INFO L87 Difference]: Start difference. First operand 2674 states and 3374 transitions. Second operand 3 states. [2019-10-22 09:01:50,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,491 INFO L93 Difference]: Finished difference Result 5168 states and 6562 transitions. [2019-10-22 09:01:50,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:50,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2019-10-22 09:01:50,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,500 INFO L225 Difference]: With dead ends: 5168 [2019-10-22 09:01:50,501 INFO L226 Difference]: Without dead ends: 2674 [2019-10-22 09:01:50,504 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2019-10-22 09:01:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2019-10-22 09:01:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-10-22 09:01:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2974 transitions. [2019-10-22 09:01:50,552 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2974 transitions. Word has length 370 [2019-10-22 09:01:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,553 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 2974 transitions. [2019-10-22 09:01:50,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2974 transitions. [2019-10-22 09:01:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-10-22 09:01:50,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:50,562 INFO L380 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:50,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:50,763 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:50,764 INFO L82 PathProgramCache]: Analyzing trace with hash -24428426, now seen corresponding path program 1 times [2019-10-22 09:01:50,764 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:50,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423061659] [2019-10-22 09:01:50,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 268 proven. 4 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-10-22 09:01:51,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423061659] [2019-10-22 09:01:51,131 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629317451] [2019-10-22 09:01:51,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:51,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:51,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2019-10-22 09:01:51,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:51,336 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:01:51,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951073622] [2019-10-22 09:01:51,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:51,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:51,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:51,339 INFO L87 Difference]: Start difference. First operand 2496 states and 2974 transitions. Second operand 3 states. [2019-10-22 09:01:52,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:52,169 INFO L93 Difference]: Finished difference Result 5522 states and 6664 transitions. [2019-10-22 09:01:52,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:52,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 387 [2019-10-22 09:01:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:52,172 INFO L225 Difference]: With dead ends: 5522 [2019-10-22 09:01:52,172 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:52,176 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:52,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2019-10-22 09:01:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:52,177 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:52,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:52,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:52,378 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:52,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 09:01:52,506 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 09:01:52,507 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 09:01:52,508 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,509 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:01:52,510 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:01:52,511 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:01:52,511 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 09:01:52,511 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 09:01:52,511 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 09:01:52,511 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 09:01:52,512 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 09:01:52,512 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,512 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 09:01:52,513 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 09:01:52,514 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 09:01:52,515 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 09:01:52,515 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,515 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,515 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,515 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 09:01:52,516 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 09:01:52,517 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,518 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 09:01:52,519 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 09:01:52,519 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,519 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,519 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2019-10-22 09:01:52,520 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 09:01:52,521 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 09:01:52,522 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:01:52,523 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 09:01:52,524 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 09:01:52,524 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 09:01:52,524 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,524 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,524 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (or (not (= 6 ~a21~0)) (<= ~a15~0 6) (< 80 ~a12~0) (= 8 ~a15~0) (<= 9 ~a15~0) (<= ~a12~0 11)) [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,525 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 09:01:52,526 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:01:52,527 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:01:52,527 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,527 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 09:01:52,527 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 09:01:52,527 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,528 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,528 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:01:52,528 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,528 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 09:01:52,528 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 6 ~a21~0)) (<= ~a15~0 6) (< 80 ~a12~0) (= 8 ~a15~0) (<= 9 ~a15~0) (<= ~a12~0 11)) [2019-10-22 09:01:52,528 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,529 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 09:01:52,530 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 09:01:52,531 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,531 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,531 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,531 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 09:01:52,532 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 09:01:52,533 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:01:52,534 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 09:01:52,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:52 BoogieIcfgContainer [2019-10-22 09:01:52,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:52,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:52,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:52,553 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:52,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:40" (3/4) ... [2019-10-22 09:01:52,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:52,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:52,579 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:52,779 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b8d5fd2-b402-44f2-b7df-ebecd453c9c7/bin/uautomizer/witness.graphml [2019-10-22 09:01:52,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:52,782 INFO L168 Benchmark]: Toolchain (without parser) took 14871.10 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 459.3 MB). Free memory was 939.1 MB in the beginning and 845.1 MB in the end (delta: 94.0 MB). Peak memory consumption was 553.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,782 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:52,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,787 INFO L168 Benchmark]: Boogie Preprocessor took 78.30 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,787 INFO L168 Benchmark]: RCFGBuilder took 1506.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,788 INFO L168 Benchmark]: TraceAbstraction took 12303.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.5 MB). Free memory was 953.9 MB in the beginning and 872.9 MB in the end (delta: 81.0 MB). Peak memory consumption was 405.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,788 INFO L168 Benchmark]: Witness Printer took 227.06 ms. Allocated memory is still 1.5 GB. Free memory was 872.9 MB in the beginning and 845.1 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.30 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1506.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.9 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12303.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.5 MB). Free memory was 953.9 MB in the beginning and 872.9 MB in the end (delta: 81.0 MB). Peak memory consumption was 405.6 MB. Max. memory is 11.5 GB. * Witness Printer took 227.06 ms. Allocated memory is still 1.5 GB. Free memory was 872.9 MB in the beginning and 845.1 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: 880]: Loop Invariant Derived loop invariant: ((((!(6 == a21) || a15 <= 6) || 80 < a12) || 8 == a15) || 9 <= a15) || a12 <= 11 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(6 == a21) || a15 <= 6) || 80 < a12) || 8 == a15) || 9 <= a15) || a12 <= 11 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 12.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 1360 SDtfs, 1444 SDslu, 54 SDs, 0 SdLazy, 4552 SolverSat, 1117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1416 GetRequests, 1389 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2674occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1958 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 41 HoareAnnotationTreeSize, 3 FomulaSimplifications, 860 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3091 NumberOfCodeBlocks, 3091 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3080 ConstructedInterpolants, 0 QuantifiedInterpolants, 2746328 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1812 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 3388/3404 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...