./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:43:22,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:43:22,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:43:22,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:43:22,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:43:22,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:43:23,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:43:23,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:43:23,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:43:23,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:43:23,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:43:23,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:43:23,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:43:23,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:43:23,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:43:23,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:43:23,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:43:23,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:43:23,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:43:23,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:43:23,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:43:23,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:43:23,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:43:23,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:43:23,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:43:23,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:43:23,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:43:23,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:43:23,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:43:23,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:43:23,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:43:23,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:43:23,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:43:23,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:43:23,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:43:23,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:43:23,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:43:23,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:43:23,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:43:23,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:43:23,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:43:23,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:43:23,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:43:23,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:43:23,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:43:23,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:43:23,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:43:23,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:43:23,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:43:23,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:43:23,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:43:23,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:43:23,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:43:23,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:43:23,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:43:23,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:43:23,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:43:23,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:43:23,047 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:43:23,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:43:23,047 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:43:23,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:43:23,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:43:23,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:43:23,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:43:23,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:43:23,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:43:23,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:43:23,049 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:43:23,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:43:23,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:43:23,050 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_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2019-11-20 02:43:23,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:43:23,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:43:23,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:43:23,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:43:23,196 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:43:23,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-20 02:43:23,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/data/4edd36d77/655c163992ab4e04ad77311037f38e71/FLAGeaa3fcc62 [2019-11-20 02:43:23,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:43:23,774 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2019-11-20 02:43:23,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/data/4edd36d77/655c163992ab4e04ad77311037f38e71/FLAGeaa3fcc62 [2019-11-20 02:43:24,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/data/4edd36d77/655c163992ab4e04ad77311037f38e71 [2019-11-20 02:43:24,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:43:24,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:43:24,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:43:24,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:43:24,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:43:24,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23657baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24, skipping insertion in model container [2019-11-20 02:43:24,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:43:24,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:43:24,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:43:24,641 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:43:24,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:43:24,734 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:43:24,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24 WrapperNode [2019-11-20 02:43:24,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:43:24,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:43:24,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:43:24,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:43:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:43:24,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:43:24,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:43:24,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:43:24,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... [2019-11-20 02:43:24,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:43:24,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:43:24,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:43:24,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:43:24,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/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 [2019-11-20 02:43:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:43:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 02:43:24,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 02:43:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 02:43:24,891 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 02:43:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 02:43:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 02:43:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 02:43:24,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 02:43:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 02:43:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 02:43:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-20 02:43:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-20 02:43:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 02:43:24,894 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 02:43:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:43:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 02:43:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 02:43:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:43:24,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:43:25,767 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:43:25,768 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 02:43:25,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:25 BoogieIcfgContainer [2019-11-20 02:43:25,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:43:25,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:43:25,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:43:25,780 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:43:25,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:25" (1/1) ... [2019-11-20 02:43:25,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:43:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2019-11-20 02:43:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2019-11-20 02:43:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:43:25,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2019-11-20 02:43:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2019-11-20 02:43:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:43:26,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2019-11-20 02:43:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2019-11-20 02:43:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 02:43:26,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2019-11-20 02:43:26,573 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2019-11-20 02:43:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:43:26,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2019-11-20 02:43:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-11-20 02:43:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:43:26,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-11-20 02:43:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-11-20 02:43:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:43:26,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2019-11-20 02:43:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2019-11-20 02:43:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:43:27,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2019-11-20 02:43:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2019-11-20 02:43:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:43:27,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 99 states and 150 transitions. [2019-11-20 02:43:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 150 transitions. [2019-11-20 02:43:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:43:28,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:28,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2019-11-20 02:43:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2019-11-20 02:43:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:43:28,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2019-11-20 02:43:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2019-11-20 02:43:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:43:28,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 113 states and 179 transitions. [2019-11-20 02:43:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 179 transitions. [2019-11-20 02:43:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:43:29,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 184 transitions. [2019-11-20 02:43:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2019-11-20 02:43:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:43:29,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 178 transitions. [2019-11-20 02:43:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2019-11-20 02:43:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:43:29,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 191 transitions. [2019-11-20 02:43:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2019-11-20 02:43:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 02:43:29,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 187 transitions. [2019-11-20 02:43:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2019-11-20 02:43:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 02:43:29,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 02:43:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 196 transitions. [2019-11-20 02:43:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2019-11-20 02:43:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 02:43:31,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:43:31,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 200 transitions. [2019-11-20 02:43:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2019-11-20 02:43:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 02:43:31,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:43:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 180 transitions. [2019-11-20 02:43:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 180 transitions. [2019-11-20 02:43:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 02:43:31,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:43:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:33,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 121 states and 204 transitions. [2019-11-20 02:43:33,323 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2019-11-20 02:43:33,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 02:43:33,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:43:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 128 states and 220 transitions. [2019-11-20 02:43:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2019-11-20 02:43:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 02:43:34,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:43:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 134 states and 231 transitions. [2019-11-20 02:43:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2019-11-20 02:43:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 02:43:35,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:43:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 137 states and 236 transitions. [2019-11-20 02:43:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2019-11-20 02:43:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 02:43:35,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:43:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 139 states and 238 transitions. [2019-11-20 02:43:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2019-11-20 02:43:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 02:43:35,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:43:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 121 states and 195 transitions. [2019-11-20 02:43:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2019-11-20 02:43:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 02:43:35,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 02:43:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 123 states and 195 transitions. [2019-11-20 02:43:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2019-11-20 02:43:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 02:43:36,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:43:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 125 states and 198 transitions. [2019-11-20 02:43:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2019-11-20 02:43:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 02:43:36,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 02:43:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 126 states and 199 transitions. [2019-11-20 02:43:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2019-11-20 02:43:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 02:43:37,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:43:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:43:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:43:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 71 states and 87 transitions. [2019-11-20 02:43:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2019-11-20 02:43:37,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:43:37,119 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2019-11-20 02:43:37,131 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:43:37,451 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 02:43:37,460 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,460 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,460 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,460 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,461 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 02:43:37,463 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,464 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 02:43:37,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,465 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 02:43:37,466 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,466 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:43:37,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:43:37 ImpRootNode [2019-11-20 02:43:37,468 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:43:37,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:43:37,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:43:37,469 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:43:37,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:25" (3/4) ... [2019-11-20 02:43:37,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:43:37,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 02:43:37,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 02:43:37,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 02:43:37,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 02:43:37,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 02:43:37,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 02:43:37,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 02:43:37,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-11-20 02:43:37,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2019-11-20 02:43:37,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 02:43:37,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 02:43:37,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:43:37,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:43:37,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:43:37,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-20 02:43:37,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 02:43:37,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(0 == tmp) && !(pumpRunning == \old(pumpRunning)))) || methaneLevelCritical == tmp [2019-11-20 02:43:37,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2accb49e-9f9b-48f9-b560-b31cbe66a8f8/bin/ukojak/witness.graphml [2019-11-20 02:43:37,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:43:37,583 INFO L168 Benchmark]: Toolchain (without parser) took 13360.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.5 MB). Free memory was 951.5 MB in the beginning and 936.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 404.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:37,583 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:43:37,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:37,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.25 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. [2019-11-20 02:43:37,584 INFO L168 Benchmark]: Boogie Preprocessor took 30.04 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. [2019-11-20 02:43:37,584 INFO L168 Benchmark]: RCFGBuilder took 947.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:37,586 INFO L168 Benchmark]: CodeCheck took 11698.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.1 MB). Free memory was 1.0 GB in the beginning and 951.5 MB in the end (delta: 68.3 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:37,586 INFO L168 Benchmark]: Witness Printer took 112.69 ms. Allocated memory is still 1.4 GB. Free memory was 951.5 MB in the beginning and 936.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:37,588 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, 60 locations, 1 error locations. Result: SAFE, OverallTime: 11.3s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1882237508 SDtfs, 1681800572 SDslu, -1474233476 SDs, 0 SdLazy, -1770041988 SolverSat, 809900964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11896 GetRequests, 11646 SyntacticMatches, 54 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14901 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1228 NumberOfCodeBlocks, 1228 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1200 ConstructedInterpolants, 0 QuantifiedInterpolants, 109775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 364/381 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: 650]: 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: 426]: Loop Invariant Derived loop invariant: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(0 == tmp) && !(pumpRunning == \old(pumpRunning)))) || methaneLevelCritical == tmp - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((1 == tmp && tmp == systemActive) && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: 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 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.25 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. * Boogie Preprocessor took 30.04 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 947.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11698.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.1 MB). Free memory was 1.0 GB in the beginning and 951.5 MB in the end (delta: 68.3 MB). Peak memory consumption was 330.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.69 ms. Allocated memory is still 1.4 GB. Free memory was 951.5 MB in the beginning and 936.0 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...