./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d733dbb906adb6defb82ddd5acbd52a79b17963e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:47:29,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:29,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:29,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:29,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:29,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:29,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:29,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:29,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:29,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:29,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:29,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:29,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:29,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:29,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:29,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:29,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:29,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:29,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:29,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:29,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:29,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:29,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:29,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:29,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:29,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:29,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:29,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:29,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:29,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:29,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:29,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:29,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:29,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:29,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:29,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:29,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:29,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:29,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:29,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:29,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:29,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:47:29,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:29,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:29,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:29,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:47:29,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:47:29,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:47:29,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:29,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:29,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:47:29,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:29,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:29,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:47:29,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:29,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:47:29,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:29,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:47:29,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:47:29,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:47:29,215 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:47:29,216 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:47:29,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:29,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:29,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:47:29,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:29,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:29,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:47:29,217 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:47:29,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:47:29,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:47:29,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/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(__VERIFIER_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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2019-11-26 02:47:29,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:29,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:29,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:29,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:29,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:29,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-26 02:47:29,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/data/93810771a/fe5f983ef83a407ba3adbfb06b13afd7/FLAGdacf23e8c [2019-11-26 02:47:29,939 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:29,940 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-11-26 02:47:29,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/data/93810771a/fe5f983ef83a407ba3adbfb06b13afd7/FLAGdacf23e8c [2019-11-26 02:47:30,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/data/93810771a/fe5f983ef83a407ba3adbfb06b13afd7 [2019-11-26 02:47:30,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:30,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:30,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:30,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:30,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:30,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1206ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30, skipping insertion in model container [2019-11-26 02:47:30,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:30,332 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:30,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:30,714 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:47:30,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:47:30,837 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:47:30,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30 WrapperNode [2019-11-26 02:47:30,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:30,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:30,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:47:30,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:47:30,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:47:30,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:47:30,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:47:30,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:47:30,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... [2019-11-26 02:47:30,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:47:30,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:47:30,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:47:30,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:47:30,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/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 [2019-11-26 02:47:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:47:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:47:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:47:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:47:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:47:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:47:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:47:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:47:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:47:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:47:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:47:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-26 02:47:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-26 02:47:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:47:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:47:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:47:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:47:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:47:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:47:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:47:31,953 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:47:31,954 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:47:31,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:31 BoogieIcfgContainer [2019-11-26 02:47:31,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:47:31,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:47:31,956 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:47:31,966 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:47:31,966 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:31" (1/1) ... [2019-11-26 02:47:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:47:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-26 02:47:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-26 02:47:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:47:32,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-11-26 02:47:32,332 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-11-26 02:47:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:47:32,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-26 02:47:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-26 02:47:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:47:32,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2019-11-26 02:47:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-26 02:47:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:47:32,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:32,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2019-11-26 02:47:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2019-11-26 02:47:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:47:32,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2019-11-26 02:47:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-11-26 02:47:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:47:32,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2019-11-26 02:47:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2019-11-26 02:47:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:47:33,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 159 transitions. [2019-11-26 02:47:34,517 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2019-11-26 02:47:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:47:34,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:34,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 162 transitions. [2019-11-26 02:47:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2019-11-26 02:47:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:47:34,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 167 transitions. [2019-11-26 02:47:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-26 02:47:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:47:35,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 161 transitions. [2019-11-26 02:47:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2019-11-26 02:47:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:47:35,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 173 transitions. [2019-11-26 02:47:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2019-11-26 02:47:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:47:35,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 106 states and 176 transitions. [2019-11-26 02:47:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2019-11-26 02:47:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:47:35,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 107 states and 179 transitions. [2019-11-26 02:47:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2019-11-26 02:47:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:47:35,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 184 transitions. [2019-11-26 02:47:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-11-26 02:47:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:47:35,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 214 transitions. [2019-11-26 02:47:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2019-11-26 02:47:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:47:36,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:47:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 125 states and 215 transitions. [2019-11-26 02:47:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2019-11-26 02:47:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:47:36,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 216 transitions. [2019-11-26 02:47:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2019-11-26 02:47:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:47:36,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 268 transitions. [2019-11-26 02:47:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 268 transitions. [2019-11-26 02:47:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:47:37,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:38,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 145 states and 280 transitions. [2019-11-26 02:47:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 280 transitions. [2019-11-26 02:47:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:47:38,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 146 states and 279 transitions. [2019-11-26 02:47:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 279 transitions. [2019-11-26 02:47:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:47:39,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 147 states and 280 transitions. [2019-11-26 02:47:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 280 transitions. [2019-11-26 02:47:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:47:39,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 149 states and 282 transitions. [2019-11-26 02:47:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2019-11-26 02:47:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:47:39,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:47:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 153 states and 293 transitions. [2019-11-26 02:47:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2019-11-26 02:47:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:47:40,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:47:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 154 states and 294 transitions. [2019-11-26 02:47:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 294 transitions. [2019-11-26 02:47:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:47:40,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:47:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 155 states and 295 transitions. [2019-11-26 02:47:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 295 transitions. [2019-11-26 02:47:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-26 02:47:40,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-26 02:47:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 275 transitions. [2019-11-26 02:47:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2019-11-26 02:47:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-26 02:47:40,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-26 02:47:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 149 states and 282 transitions. [2019-11-26 02:47:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2019-11-26 02:47:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:47:40,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:47:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 147 states and 278 transitions. [2019-11-26 02:47:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-11-26 02:47:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:47:40,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-26 02:47:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 145 states and 273 transitions. [2019-11-26 02:47:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 273 transitions. [2019-11-26 02:47:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:47:40,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-26 02:47:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 136 states and 256 transitions. [2019-11-26 02:47:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 256 transitions. [2019-11-26 02:47:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-26 02:47:41,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:47:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:47:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-26 02:47:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:47:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 72 states and 100 transitions. [2019-11-26 02:47:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-11-26 02:47:41,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:47:41,812 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2019-11-26 02:47:41,823 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:47:42,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,121 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,121 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,121 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,121 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:47:42,125 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,125 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:47:42,126 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:47:42,127 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:47:42,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:47:42 ImpRootNode [2019-11-26 02:47:42,127 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:47:42,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:47:42,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:47:42,128 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:47:42,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:47:31" (3/4) ... [2019-11-26 02:47:42,131 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:47:42,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:47:42,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:47:42,136 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:47:42,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:47:42,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:47:42,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:47:42,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-26 02:47:42,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-26 02:47:42,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-11-26 02:47:42,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:47:42,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:47:42,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:47:42,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:47:42,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:47:42,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:47:42,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-26 02:47:42,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-26 02:47:42,215 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43f2cb7c-7c7c-433a-9a4b-c57d95ae9661/bin/ukojak/witness.graphml [2019-11-26 02:47:42,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:47:42,217 INFO L168 Benchmark]: Toolchain (without parser) took 11961.26 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.0 MB). Free memory was 951.4 MB in the beginning and 1.3 GB in the end (delta: -317.4 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,218 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:42,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,219 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:42,219 INFO L168 Benchmark]: RCFGBuilder took 1018.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,220 INFO L168 Benchmark]: CodeCheck took 10172.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,220 INFO L168 Benchmark]: Witness Printer took 88.16 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:42,222 INFO L335 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, 57 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1023407312 SDtfs, 1754407960 SDslu, 1530532552 SDs, 0 SdLazy, -685919294 SolverSat, 1335739410 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13259 GetRequests, 13015 SyntacticMatches, 78 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11464 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1255 NumberOfCodeBlocks, 1255 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 113775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 356/389 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: 140]: 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: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 580.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1018.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10172.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 207.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * Witness Printer took 88.16 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...