./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:01:01,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:01:01,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:01:01,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:01:01,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:01:01,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:01:01,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:01:01,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:01:01,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:01:01,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:01:01,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:01:01,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:01:01,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:01:01,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:01:01,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:01:01,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:01:01,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:01:01,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:01:01,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:01:01,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:01:01,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:01:01,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:01:01,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:01:01,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:01:01,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:01:01,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:01:01,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:01:01,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:01:01,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:01:01,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:01:01,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:01:01,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:01:01,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:01:01,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:01:01,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:01:01,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:01:01,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:01:01,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:01:01,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:01:01,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:01:01,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:01:01,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:01:01,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:01:01,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:01:01,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:01:01,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:01:01,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:01:01,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:01:01,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:01:01,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:01:01,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:01:01,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:01:01,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:01:01,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:01:01,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:01:01,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:01:01,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:01:01,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:01:01,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:01:01,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:01:01,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:01:01,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:01:01,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:01:01,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:01:01,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:01:01,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:01:01,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:01:01,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:01:01,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:01:01,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:01:01,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:01:01,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b [2020-11-30 00:01:02,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:01:02,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:01:02,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:01:02,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:01:02,277 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:01:02,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-11-30 00:01:02,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/data/2b4824d47/b5fcc528b35549c4a211de48d55358ec/FLAGdbe948550 [2020-11-30 00:01:03,068 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:01:03,069 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-11-30 00:01:03,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/data/2b4824d47/b5fcc528b35549c4a211de48d55358ec/FLAGdbe948550 [2020-11-30 00:01:03,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/data/2b4824d47/b5fcc528b35549c4a211de48d55358ec [2020-11-30 00:01:03,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:01:03,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:01:03,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:03,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:01:03,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:01:03,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:03,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160369c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03, skipping insertion in model container [2020-11-30 00:01:03,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:03,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:01:03,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:01:03,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:03,691 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:01:03,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:03,928 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:01:03,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03 WrapperNode [2020-11-30 00:01:03,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:03,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:01:03,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:01:03,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:01:03,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:03,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:01:04,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:01:04,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:01:04,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:01:04,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... [2020-11-30 00:01:04,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:01:04,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:01:04,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:01:04,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:01:04,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2020-11-30 00:01:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:01:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:01:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:01:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:01:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:01:04,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:01:04,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:01:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:01:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:01:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:01:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:01:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 00:01:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 00:01:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:01:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:01:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:01:05,908 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:01:05,909 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-30 00:01:05,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:05 BoogieIcfgContainer [2020-11-30 00:01:05,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:01:05,912 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:01:05,912 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:01:05,922 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:01:05,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:05" (1/1) ... [2020-11-30 00:01:05,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2020-11-30 00:01:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-11-30 00:01:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:01:05,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2020-11-30 00:01:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-11-30 00:01:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:01:06,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2020-11-30 00:01:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2020-11-30 00:01:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:01:06,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2020-11-30 00:01:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2020-11-30 00:01:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:01:07,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 131 transitions. [2020-11-30 00:01:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2020-11-30 00:01:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:01:08,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2020-11-30 00:01:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-11-30 00:01:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:01:09,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 171 transitions. [2020-11-30 00:01:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2020-11-30 00:01:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:01:09,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 117 states and 206 transitions. [2020-11-30 00:01:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 206 transitions. [2020-11-30 00:01:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:01:11,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 125 states and 221 transitions. [2020-11-30 00:01:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 221 transitions. [2020-11-30 00:01:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:11,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 127 states and 224 transitions. [2020-11-30 00:01:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 224 transitions. [2020-11-30 00:01:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:12,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 133 states and 234 transitions. [2020-11-30 00:01:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 234 transitions. [2020-11-30 00:01:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:01:12,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 235 transitions. [2020-11-30 00:01:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2020-11-30 00:01:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:12,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 236 transitions. [2020-11-30 00:01:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2020-11-30 00:01:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:12,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 136 states and 241 transitions. [2020-11-30 00:01:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2020-11-30 00:01:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:13,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 244 transitions. [2020-11-30 00:01:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2020-11-30 00:01:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:01:13,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 138 states and 246 transitions. [2020-11-30 00:01:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2020-11-30 00:01:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:01:13,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:01:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 141 states and 256 transitions. [2020-11-30 00:01:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 256 transitions. [2020-11-30 00:01:15,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:01:15,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 149 states and 274 transitions. [2020-11-30 00:01:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 274 transitions. [2020-11-30 00:01:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:01:16,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:01:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 286 transitions. [2020-11-30 00:01:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 286 transitions. [2020-11-30 00:01:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:01:17,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:01:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 155 states and 287 transitions. [2020-11-30 00:01:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 287 transitions. [2020-11-30 00:01:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:01:17,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:01:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 158 states and 294 transitions. [2020-11-30 00:01:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 294 transitions. [2020-11-30 00:01:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 00:01:17,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:01:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 159 states and 294 transitions. [2020-11-30 00:01:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 294 transitions. [2020-11-30 00:01:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:01:18,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 167 states and 327 transitions. [2020-11-30 00:01:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 327 transitions. [2020-11-30 00:01:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 00:01:20,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 172 states and 336 transitions. [2020-11-30 00:01:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 336 transitions. [2020-11-30 00:01:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:01:20,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:22,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 184 states and 367 transitions. [2020-11-30 00:01:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 367 transitions. [2020-11-30 00:01:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:01:22,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 185 states and 368 transitions. [2020-11-30 00:01:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 368 transitions. [2020-11-30 00:01:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:01:23,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 186 states and 369 transitions. [2020-11-30 00:01:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 369 transitions. [2020-11-30 00:01:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:01:23,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 187 states and 371 transitions. [2020-11-30 00:01:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 371 transitions. [2020-11-30 00:01:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:01:24,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:01:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 188 states and 372 transitions. [2020-11-30 00:01:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 372 transitions. [2020-11-30 00:01:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:01:24,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:01:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 193 states and 384 transitions. [2020-11-30 00:01:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 384 transitions. [2020-11-30 00:01:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:01:24,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:01:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 196 states and 389 transitions. [2020-11-30 00:01:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 389 transitions. [2020-11-30 00:01:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 00:01:26,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:01:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 198 states and 392 transitions. [2020-11-30 00:01:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 392 transitions. [2020-11-30 00:01:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:01:26,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 00:01:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-11-30 00:01:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-11-30 00:01:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-30 00:01:28,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 00:01:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-11-30 00:01:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-11-30 00:01:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:01:28,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:01:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 209 states and 410 transitions. [2020-11-30 00:01:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 410 transitions. [2020-11-30 00:01:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:01:29,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:01:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 209 states and 399 transitions. [2020-11-30 00:01:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 399 transitions. [2020-11-30 00:01:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 00:01:31,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:01:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 218 states and 420 transitions. [2020-11-30 00:01:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 420 transitions. [2020-11-30 00:01:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 00:01:33,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:01:33,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 219 states and 420 transitions. [2020-11-30 00:01:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 420 transitions. [2020-11-30 00:01:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 00:01:33,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:01:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 226 states and 436 transitions. [2020-11-30 00:01:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 436 transitions. [2020-11-30 00:01:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:01:35,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:01:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 229 states and 441 transitions. [2020-11-30 00:01:35,737 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 441 transitions. [2020-11-30 00:01:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 00:01:35,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-30 00:01:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 225 states and 424 transitions. [2020-11-30 00:01:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 424 transitions. [2020-11-30 00:01:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:01:36,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-30 00:01:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 226 states and 425 transitions. [2020-11-30 00:01:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 425 transitions. [2020-11-30 00:01:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 00:01:36,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:01:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 227 states and 426 transitions. [2020-11-30 00:01:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 426 transitions. [2020-11-30 00:01:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 00:01:36,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 00:01:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 234 states and 440 transitions. [2020-11-30 00:01:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 440 transitions. [2020-11-30 00:01:38,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-30 00:01:38,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-30 00:01:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 240 states and 454 transitions. [2020-11-30 00:01:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 454 transitions. [2020-11-30 00:01:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:01:40,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-30 00:01:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 241 states and 455 transitions. [2020-11-30 00:01:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 455 transitions. [2020-11-30 00:01:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-30 00:01:40,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-11-30 00:01:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 243 states and 460 transitions. [2020-11-30 00:01:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 460 transitions. [2020-11-30 00:01:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:01:41,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-30 00:01:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 245 states and 464 transitions. [2020-11-30 00:01:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2020-11-30 00:01:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:01:41,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 00:01:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 247 states and 465 transitions. [2020-11-30 00:01:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 465 transitions. [2020-11-30 00:01:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:01:43,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 00:01:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 249 states and 469 transitions. [2020-11-30 00:01:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 469 transitions. [2020-11-30 00:01:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 00:01:44,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:01:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 262 states and 498 transitions. [2020-11-30 00:01:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 498 transitions. [2020-11-30 00:01:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 00:01:53,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:01:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 262 states and 497 transitions. [2020-11-30 00:01:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 497 transitions. [2020-11-30 00:01:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 00:01:54,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:01:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:01:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:01:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 135 states and 193 transitions. [2020-11-30 00:01:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2020-11-30 00:01:56,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:01:56,617 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2020-11-30 00:01:56,624 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:01:57,450 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-11-30 00:01:57,467 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 00:01:57,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,469 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,469 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,469 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-11-30 00:01:57,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:01:57,471 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-30 00:01:57,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:01:57 ImpRootNode [2020-11-30 00:01:57,472 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:01:57,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:01:57,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:01:57,473 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:01:57,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:05" (3/4) ... [2020-11-30 00:01:57,476 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:01:57,481 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 00:01:57,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:01:57,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:01:57,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:01:57,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:01:57,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:01:57,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:01:57,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 00:01:57,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-30 00:01:57,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:01:57,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 00:01:57,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:01:57,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:01:57,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:01:57,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:01:57,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || ((waterLevel == 1 || \old(waterLevel) == waterLevel) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2020-11-30 00:01:57,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 00:01:57,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == tmp) && 0 == systemActive) || (!(0 == tmp) && !(methaneLevelCritical == 0))) || methaneLevelCritical == tmp) || (!(0 == tmp) && pumpRunning == \old(pumpRunning))) || (!(0 == tmp) && !(methAndRunningLastTime == 0)) [2020-11-30 00:01:57,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9318e7df-c8bb-47d7-a373-9f5bc7aed049/bin/ukojak/witness.graphml [2020-11-30 00:01:57,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:01:57,657 INFO L168 Benchmark]: Toolchain (without parser) took 54383.72 ms. Allocated memory was 92.3 MB in the beginning and 721.4 MB in the end (delta: 629.1 MB). Free memory was 64.0 MB in the beginning and 662.1 MB in the end (delta: -598.2 MB). Peak memory consumption was 439.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,657 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 62.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.18 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 63.9 MB in the beginning and 92.9 MB in the end (delta: -29.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.64 ms. Allocated memory is still 127.9 MB. Free memory was 92.9 MB in the beginning and 89.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,658 INFO L168 Benchmark]: Boogie Preprocessor took 43.28 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 88.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,659 INFO L168 Benchmark]: RCFGBuilder took 1854.82 ms. Allocated memory is still 127.9 MB. Free memory was 88.0 MB in the beginning and 96.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,659 INFO L168 Benchmark]: CodeCheck took 51560.22 ms. Allocated memory was 127.9 MB in the beginning and 721.4 MB in the end (delta: 593.5 MB). Free memory was 96.6 MB in the beginning and 259.2 MB in the end (delta: -162.6 MB). Peak memory consumption was 430.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,660 INFO L168 Benchmark]: Witness Printer took 182.40 ms. Allocated memory is still 721.4 MB. Free memory was 259.2 MB in the beginning and 662.1 MB in the end (delta: -402.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:57,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.6s, OverallIterations: 53, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -339792796 SDtfs, -1743700596 SDslu, 655659992 SDs, 0 SdLazy, 1179066178 SolverSat, -810931902 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31433 GetRequests, 30936 SyntacticMatches, 17 SemanticMatches, 480 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111086 ImplicationChecksByTransitivity, 41.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 2948 NumberOfCodeBlocks, 2948 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2896 ConstructedInterpolants, 0 QuantifiedInterpolants, 328942 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 37 PerfectInterpolantSequences, 1335/1404 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: 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: 659]: Loop Invariant Derived loop invariant: ((((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || (!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || ((waterLevel == 1 || \old(waterLevel) == waterLevel) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((!(0 == tmp) && 0 == systemActive) || (!(0 == tmp) && !(methaneLevelCritical == 0))) || methaneLevelCritical == tmp) || (!(0 == tmp) && pumpRunning == \old(pumpRunning))) || (!(0 == tmp) && !(methAndRunningLastTime == 0)) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 57.8 MB in the end (delta: 62.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 657.18 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 63.9 MB in the beginning and 92.9 MB in the end (delta: -29.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.64 ms. Allocated memory is still 127.9 MB. Free memory was 92.9 MB in the beginning and 89.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.28 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 88.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1854.82 ms. Allocated memory is still 127.9 MB. Free memory was 88.0 MB in the beginning and 96.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * CodeCheck took 51560.22 ms. Allocated memory was 127.9 MB in the beginning and 721.4 MB in the end (delta: 593.5 MB). Free memory was 96.6 MB in the beginning and 259.2 MB in the end (delta: -162.6 MB). Peak memory consumption was 430.6 MB. Max. memory is 16.1 GB. * Witness Printer took 182.40 ms. Allocated memory is still 721.4 MB. Free memory was 259.2 MB in the beginning and 662.1 MB in the end (delta: -402.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...