./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/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 0.2.0-69874e2 [2020-12-01 16:28:12,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:28:12,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:28:12,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:28:12,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:28:12,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:28:12,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:28:12,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:28:12,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:28:12,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:28:12,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:28:12,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:28:12,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:28:12,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:28:12,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:28:12,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:28:12,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:28:12,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:28:12,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:28:12,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:28:12,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:28:12,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:28:12,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:28:12,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:28:13,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:28:13,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:28:13,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:28:13,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:28:13,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:28:13,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:28:13,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:28:13,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:28:13,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:28:13,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:28:13,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:28:13,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:28:13,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:28:13,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:28:13,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:28:13,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:28:13,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:28:13,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:28:13,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:28:13,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:28:13,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:28:13,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:28:13,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:28:13,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:28:13,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:28:13,079 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:28:13,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:28:13,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:28:13,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:28:13,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:28:13,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:28:13,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:28:13,081 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:28:13,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:28:13,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:28:13,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:28:13,082 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:28:13,082 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:28:13,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:28:13,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:28:13,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:28:13,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:28:13,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:28:13,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:28:13,084 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:28:13,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:28:13,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:28:13,086 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_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a32a0ee09bc3ccadab9e5f62985b534d4160a7b [2020-12-01 16:28:13,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:28:13,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:28:13,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:28:13,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:28:13,462 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:28:13,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-12-01 16:28:13,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/data/3c6a5c091/633857b7e726445095489931ced41ebf/FLAG53c78d31e [2020-12-01 16:28:14,254 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:28:14,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-12-01 16:28:14,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/data/3c6a5c091/633857b7e726445095489931ced41ebf/FLAG53c78d31e [2020-12-01 16:28:14,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/data/3c6a5c091/633857b7e726445095489931ced41ebf [2020-12-01 16:28:14,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:28:14,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:28:14,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:28:14,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:28:14,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:28:14,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e1b4b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14, skipping insertion in model container [2020-12-01 16:28:14,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:28:14,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:28:14,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:28:14,693 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:28:14,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:28:14,825 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:28:14,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14 WrapperNode [2020-12-01 16:28:14,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:28:14,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:28:14,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:28:14,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:28:14,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:28:14,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:28:14,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:28:14,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:28:14,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... [2020-12-01 16:28:14,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:28:14,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:28:14,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:28:14,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:28:14,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/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 [2020-12-01 16:28:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:28:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:28:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:28:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:28:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:28:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:28:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:28:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:28:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:28:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:28:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:28:15,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:28:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:28:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:28:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:28:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:28:15,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:28:16,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:28:16,425 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 16:28:16,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:16 BoogieIcfgContainer [2020-12-01 16:28:16,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:28:16,429 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:28:16,429 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:28:16,440 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:28:16,441 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:16" (1/1) ... [2020-12-01 16:28:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:28:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2020-12-01 16:28:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-12-01 16:28:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:28:16,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2020-12-01 16:28:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-12-01 16:28:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:28:16,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 64 states and 83 transitions. [2020-12-01 16:28:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2020-12-01 16:28:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:28:16,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2020-12-01 16:28:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2020-12-01 16:28:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:28:17,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 131 transitions. [2020-12-01 16:28:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2020-12-01 16:28:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:28:18,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2020-12-01 16:28:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-12-01 16:28:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:28:19,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 171 transitions. [2020-12-01 16:28:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2020-12-01 16:28:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:28:19,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 117 states and 206 transitions. [2020-12-01 16:28:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 206 transitions. [2020-12-01 16:28:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:20,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 209 transitions. [2020-12-01 16:28:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2020-12-01 16:28:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:20,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 214 transitions. [2020-12-01 16:28:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2020-12-01 16:28:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:20,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 122 states and 222 transitions. [2020-12-01 16:28:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 222 transitions. [2020-12-01 16:28:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:21,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 123 states and 224 transitions. [2020-12-01 16:28:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2020-12-01 16:28:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:28:21,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 239 transitions. [2020-12-01 16:28:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2020-12-01 16:28:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:22,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:22,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 133 states and 241 transitions. [2020-12-01 16:28:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 241 transitions. [2020-12-01 16:28:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:28:22,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 139 states and 251 transitions. [2020-12-01 16:28:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 251 transitions. [2020-12-01 16:28:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:28:22,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 252 transitions. [2020-12-01 16:28:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2020-12-01 16:28:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:28:22,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 253 transitions. [2020-12-01 16:28:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2020-12-01 16:28:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:28:22,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:28:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 144 states and 263 transitions. [2020-12-01 16:28:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 263 transitions. [2020-12-01 16:28:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:28:24,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 152 states and 281 transitions. [2020-12-01 16:28:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2020-12-01 16:28:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:28:24,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:25,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 157 states and 293 transitions. [2020-12-01 16:28:25,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 293 transitions. [2020-12-01 16:28:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:28:25,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 158 states and 294 transitions. [2020-12-01 16:28:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 294 transitions. [2020-12-01 16:28:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:28:25,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 161 states and 301 transitions. [2020-12-01 16:28:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2020-12-01 16:28:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:28:25,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:28:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 162 states and 301 transitions. [2020-12-01 16:28:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 301 transitions. [2020-12-01 16:28:25,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:28:25,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:27,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 170 states and 334 transitions. [2020-12-01 16:28:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 334 transitions. [2020-12-01 16:28:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:28:27,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 173 states and 338 transitions. [2020-12-01 16:28:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2020-12-01 16:28:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:28:27,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 183 states and 365 transitions. [2020-12-01 16:28:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 365 transitions. [2020-12-01 16:28:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:29,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 184 states and 367 transitions. [2020-12-01 16:28:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 367 transitions. [2020-12-01 16:28:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:28:30,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 185 states and 368 transitions. [2020-12-01 16:28:30,096 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 368 transitions. [2020-12-01 16:28:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:28:30,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:28:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 190 states and 380 transitions. [2020-12-01 16:28:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 380 transitions. [2020-12-01 16:28:30,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:30,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:31,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 193 states and 385 transitions. [2020-12-01 16:28:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 385 transitions. [2020-12-01 16:28:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:28:31,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:28:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 195 states and 388 transitions. [2020-12-01 16:28:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 388 transitions. [2020-12-01 16:28:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:32,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 205 states and 406 transitions. [2020-12-01 16:28:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 406 transitions. [2020-12-01 16:28:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:33,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:33,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 207 states and 408 transitions. [2020-12-01 16:28:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 408 transitions. [2020-12-01 16:28:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:33,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 207 states and 408 transitions. [2020-12-01 16:28:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 408 transitions. [2020-12-01 16:28:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:33,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 207 states and 408 transitions. [2020-12-01 16:28:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 408 transitions. [2020-12-01 16:28:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:28:33,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:28:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:33,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:33,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,243 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:28:34,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:28:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 208 states and 409 transitions. [2020-12-01 16:28:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 409 transitions. [2020-12-01 16:28:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:28:34,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:28:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 208 states and 398 transitions. [2020-12-01 16:28:36,527 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 398 transitions. [2020-12-01 16:28:36,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:28:36,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:28:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 215 states and 413 transitions. [2020-12-01 16:28:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 413 transitions. [2020-12-01 16:28:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:28:38,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:28:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 225 states and 435 transitions. [2020-12-01 16:28:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 435 transitions. [2020-12-01 16:28:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:28:39,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:28:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 226 states and 436 transitions. [2020-12-01 16:28:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 436 transitions. [2020-12-01 16:28:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:28:39,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:28:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 229 states and 441 transitions. [2020-12-01 16:28:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 441 transitions. [2020-12-01 16:28:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:28:39,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 16:28:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 230 states and 442 transitions. [2020-12-01 16:28:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 442 transitions. [2020-12-01 16:28:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:28:39,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:28:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 231 states and 443 transitions. [2020-12-01 16:28:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 443 transitions. [2020-12-01 16:28:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:28:39,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:28:41,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 238 states and 457 transitions. [2020-12-01 16:28:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 457 transitions. [2020-12-01 16:28:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:28:41,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:28:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 234 states and 440 transitions. [2020-12-01 16:28:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 440 transitions. [2020-12-01 16:28:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:28:42,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 16:28:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 240 states and 454 transitions. [2020-12-01 16:28:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 454 transitions. [2020-12-01 16:28:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:28:43,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-12-01 16:28:43,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 241 states and 455 transitions. [2020-12-01 16:28:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 455 transitions. [2020-12-01 16:28:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:28:43,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:28:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 243 states and 460 transitions. [2020-12-01 16:28:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 460 transitions. [2020-12-01 16:28:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:28:43,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 16:28:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 245 states and 461 transitions. [2020-12-01 16:28:45,209 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 461 transitions. [2020-12-01 16:28:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:28:45,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 16:28:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 247 states and 465 transitions. [2020-12-01 16:28:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 465 transitions. [2020-12-01 16:28:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:28:45,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:28:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 260 states and 499 transitions. [2020-12-01 16:28:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 499 transitions. [2020-12-01 16:28:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:28:53,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 16:28:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 262 states and 503 transitions. [2020-12-01 16:28:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 503 transitions. [2020-12-01 16:28:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:28:54,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 16:28:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 267 states and 511 transitions. [2020-12-01 16:28:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 511 transitions. [2020-12-01 16:28:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:28:55,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 16:28:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 270 states and 516 transitions. [2020-12-01 16:28:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 516 transitions. [2020-12-01 16:28:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:28:56,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:28:57,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 267 states and 508 transitions. [2020-12-01 16:28:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 508 transitions. [2020-12-01 16:28:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:28:57,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 16:28:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 135 states and 196 transitions. [2020-12-01 16:28:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2020-12-01 16:28:58,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:28:58,407 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 69 iterations. [2020-12-01 16:28:58,423 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:28:59,319 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-12-01 16:28:59,330 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:28:59,330 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,331 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,331 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,331 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,331 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,331 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-12-01 16:28:59,333 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:28:59,333 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,334 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,334 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:28:59,334 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 16:28:59,335 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 16:28:59,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:28:59 ImpRootNode [2020-12-01 16:28:59,336 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:28:59,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:28:59,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:28:59,337 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:28:59,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:16" (3/4) ... [2020-12-01 16:28:59,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:28:59,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:28:59,360 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:28:59,360 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:28:59,360 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:28:59,360 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:28:59,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:28:59,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:28:59,361 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 16:28:59,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-01 16:28:59,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:28:59,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 16:28:59,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:28:59,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:28:59,373 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:28:59,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:28:59,400 WARN L220 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 [2020-12-01 16:28:59,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 16:28:59,403 WARN L220 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)) [2020-12-01 16:28:59,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7b104d6f-4df1-4ef1-96af-ed0b0f95d21c/bin/ukojak/witness.graphml [2020-12-01 16:28:59,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:28:59,472 INFO L168 Benchmark]: Toolchain (without parser) took 45181.77 ms. Allocated memory was 94.4 MB in the beginning and 836.8 MB in the end (delta: 742.4 MB). Free memory was 59.6 MB in the beginning and 402.7 MB in the end (delta: -343.1 MB). Peak memory consumption was 397.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,473 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:28:59,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.89 ms. Allocated memory is still 94.4 MB. Free memory was 59.5 MB in the beginning and 60.4 MB in the end (delta: -973.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.87 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 57.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,474 INFO L168 Benchmark]: Boogie Preprocessor took 66.02 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 56.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,474 INFO L168 Benchmark]: RCFGBuilder took 1453.96 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.9 MB in the beginning and 68.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,475 INFO L168 Benchmark]: CodeCheck took 42907.27 ms. Allocated memory was 113.2 MB in the beginning and 836.8 MB in the end (delta: 723.5 MB). Free memory was 67.6 MB in the beginning and 407.9 MB in the end (delta: -340.4 MB). Peak memory consumption was 384.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,475 INFO L168 Benchmark]: Witness Printer took 134.33 ms. Allocated memory is still 836.8 MB. Free memory was 407.9 MB in the beginning and 402.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:28:59,478 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: 41.9s, OverallIterations: 69, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13456128 SDtfs, 17808272 SDslu, 21374384 SDs, 0 SdLazy, 104040782 SolverSat, 50883678 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41439 GetRequests, 40931 SyntacticMatches, 20 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114330 ImplicationChecksByTransitivity, 33.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 3989 NumberOfCodeBlocks, 3989 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 3921 ConstructedInterpolants, 0 QuantifiedInterpolants, 444195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 68 InterpolantComputations, 40 PerfectInterpolantSequences, 1917/1995 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: ((!(pumpRunning == 0) || methaneLevelCritical == 0) || 0 == systemActive) || methAndRunningLastTime == 0 - 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: (((!(splverifierCounter == 0) || !(pumpRunning == 0)) || methaneLevelCritical == 0) || 0 == systemActive) || methAndRunningLastTime == 0 - 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 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 73.8 MB in the beginning and 73.8 MB in the end (delta: 24.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.89 ms. Allocated memory is still 94.4 MB. Free memory was 59.5 MB in the beginning and 60.4 MB in the end (delta: -973.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.87 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 57.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.02 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 56.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1453.96 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.9 MB in the beginning and 68.2 MB in the end (delta: -12.3 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * CodeCheck took 42907.27 ms. Allocated memory was 113.2 MB in the beginning and 836.8 MB in the end (delta: 723.5 MB). Free memory was 67.6 MB in the beginning and 407.9 MB in the end (delta: -340.4 MB). Peak memory consumption was 384.2 MB. Max. memory is 16.1 GB. * Witness Printer took 134.33 ms. Allocated memory is still 836.8 MB. Free memory was 407.9 MB in the beginning and 402.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...