./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db34ce7f2561b6e02b8ca3433870fb499d17b965 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:02:40,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:02:40,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:02:40,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:02:40,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:02:40,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:02:40,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:02:40,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:02:40,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:02:40,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:02:40,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:02:40,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:02:40,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:02:40,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:02:40,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:02:40,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:02:40,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:02:40,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:02:40,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:02:40,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:02:40,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:02:40,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:02:40,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:02:40,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:02:40,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:02:40,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:02:40,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:02:40,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:02:40,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:02:40,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:02:40,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:02:40,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:02:40,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:02:40,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:02:40,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:02:40,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:02:40,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:02:40,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:02:40,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:02:40,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:02:40,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:02:40,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:02:40,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:02:40,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:02:40,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:02:40,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:02:40,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:02:40,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:02:40,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:02:40,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:02:40,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:02:40,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:02:40,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:02:40,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:02:40,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:02:40,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:02:40,817 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:02:40,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:02:40,817 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:02:40,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:02:40,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:02:40,819 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:02:40,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:02:40,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:02:40,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:02:40,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:02:40,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:02:40,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:02:40,821 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:02:40,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:02:40,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:02:40,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2020-11-30 01:02:41,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:02:41,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:02:41,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:02:41,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:02:41,200 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:02:41,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-11-30 01:02:41,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/data/88a80ab69/4faadbcd875941cea52a95e4b4135638/FLAGf770c80a2 [2020-11-30 01:02:41,864 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:02:41,865 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-11-30 01:02:41,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/data/88a80ab69/4faadbcd875941cea52a95e4b4135638/FLAGf770c80a2 [2020-11-30 01:02:42,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/data/88a80ab69/4faadbcd875941cea52a95e4b4135638 [2020-11-30 01:02:42,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:02:42,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:02:42,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:42,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:02:42,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:02:42,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e44d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42, skipping insertion in model container [2020-11-30 01:02:42,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:02:42,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:02:42,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:42,685 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:02:42,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:02:42,837 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:02:42,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42 WrapperNode [2020-11-30 01:02:42,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:02:42,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:42,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:02:42,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:02:42,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:02:42,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:02:42,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:02:42,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:02:42,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... [2020-11-30 01:02:42,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:02:42,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:02:42,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:02:42,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:02:42,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:02:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:02:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:02:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:02:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:02:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:02:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:02:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:02:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:02:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:02:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:02:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:02:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:02:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:02:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:02:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:02:43,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:02:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:02:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:02:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:02:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:02:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:02:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:02:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:02:44,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:02:44,758 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 01:02:44,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:44 BoogieIcfgContainer [2020-11-30 01:02:44,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:02:44,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:02:44,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:02:44,776 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:02:44,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:44" (1/1) ... [2020-11-30 01:02:44,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:02:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2020-11-30 01:02:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-11-30 01:02:44,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:02:44,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2020-11-30 01:02:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2020-11-30 01:02:45,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:02:45,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2020-11-30 01:02:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2020-11-30 01:02:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:02:45,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2020-11-30 01:02:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2020-11-30 01:02:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:02:45,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2020-11-30 01:02:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2020-11-30 01:02:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:02:46,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2020-11-30 01:02:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2020-11-30 01:02:46,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:02:46,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2020-11-30 01:02:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-11-30 01:02:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:02:47,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2020-11-30 01:02:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2020-11-30 01:02:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:02:47,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 173 transitions. [2020-11-30 01:02:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2020-11-30 01:02:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:02:49,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 178 transitions. [2020-11-30 01:02:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2020-11-30 01:02:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:02:49,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:02:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 172 transitions. [2020-11-30 01:02:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2020-11-30 01:02:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:02:50,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:02:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 181 transitions. [2020-11-30 01:02:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 181 transitions. [2020-11-30 01:02:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:02:50,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:02:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 182 transitions. [2020-11-30 01:02:50,423 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2020-11-30 01:02:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:02:50,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:02:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 191 transitions. [2020-11-30 01:02:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2020-11-30 01:02:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:02:50,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:02:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 192 transitions. [2020-11-30 01:02:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 192 transitions. [2020-11-30 01:02:50,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:02:50,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:02:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 200 transitions. [2020-11-30 01:02:52,757 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2020-11-30 01:02:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:02:52,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:02:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 206 transitions. [2020-11-30 01:02:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2020-11-30 01:02:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 01:02:53,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 01:02:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 225 transitions. [2020-11-30 01:02:54,722 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2020-11-30 01:02:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:02:54,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:02:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 141 states and 239 transitions. [2020-11-30 01:02:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2020-11-30 01:02:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 01:02:56,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:02:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 265 transitions. [2020-11-30 01:02:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 265 transitions. [2020-11-30 01:02:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 01:02:58,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:02:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 154 states and 266 transitions. [2020-11-30 01:02:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2020-11-30 01:02:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 01:02:58,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:58,461 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:02:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 157 states and 271 transitions. [2020-11-30 01:02:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2020-11-30 01:02:58,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 01:02:58,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-30 01:02:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 158 states and 272 transitions. [2020-11-30 01:02:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 272 transitions. [2020-11-30 01:02:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:02:58,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:02:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:02:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:02:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:02:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 67 states and 82 transitions. [2020-11-30 01:02:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-11-30 01:02:58,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:02:58,681 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-11-30 01:02:58,689 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:02:59,203 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,209 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,209 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 01:02:59,227 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 01:02:59,228 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,228 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,228 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 01:02:59,229 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 01:02:59,230 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,230 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,230 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,231 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:02:59,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:02:59 ImpRootNode [2020-11-30 01:02:59,231 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:02:59,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:02:59,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:02:59,232 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:02:59,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:02:44" (3/4) ... [2020-11-30 01:02:59,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:02:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:02:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 01:02:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:02:59,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:02:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 01:02:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:02:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:02:59,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:02:59,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 01:02:59,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-30 01:02:59,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 01:02:59,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:02:59,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:02:59,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:02:59,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:02:59,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:02:59,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-30 01:02:59,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 01:02:59,397 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4e09f33c-7573-4255-9c4d-62ba3843201b/bin/ukojak/witness.graphml [2020-11-30 01:02:59,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:02:59,400 INFO L168 Benchmark]: Toolchain (without parser) took 17222.03 ms. Allocated memory was 111.1 MB in the beginning and 251.7 MB in the end (delta: 140.5 MB). Free memory was 73.3 MB in the beginning and 170.7 MB in the end (delta: -97.4 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,401 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 90.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:02:59,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.74 ms. Allocated memory is still 111.1 MB. Free memory was 73.1 MB in the beginning and 76.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.47 ms. Allocated memory is still 111.1 MB. Free memory was 76.1 MB in the beginning and 73.9 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:02:59,403 INFO L168 Benchmark]: Boogie Preprocessor took 39.49 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 71.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,403 INFO L168 Benchmark]: RCFGBuilder took 1769.15 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 71.6 MB in the beginning and 77.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,404 INFO L168 Benchmark]: CodeCheck took 14469.35 ms. Allocated memory was 144.7 MB in the beginning and 251.7 MB in the end (delta: 107.0 MB). Free memory was 77.8 MB in the beginning and 177.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,405 INFO L168 Benchmark]: Witness Printer took 165.98 ms. Allocated memory is still 251.7 MB. Free memory was 177.0 MB in the beginning and 170.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:02:59,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 193703268 SDtfs, 53155244 SDslu, 89649468 SDs, 0 SdLazy, 82656156 SolverSat, 26561300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9396 GetRequests, 9232 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10041 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 999 NumberOfCodeBlocks, 999 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 89393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 273/283 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 111.1 MB. Free memory is still 90.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.74 ms. Allocated memory is still 111.1 MB. Free memory was 73.1 MB in the beginning and 76.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.47 ms. Allocated memory is still 111.1 MB. Free memory was 76.1 MB in the beginning and 73.9 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.49 ms. Allocated memory is still 111.1 MB. Free memory was 73.5 MB in the beginning and 71.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1769.15 ms. Allocated memory was 111.1 MB in the beginning and 144.7 MB in the end (delta: 33.6 MB). Free memory was 71.6 MB in the beginning and 77.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * CodeCheck took 14469.35 ms. Allocated memory was 144.7 MB in the beginning and 251.7 MB in the end (delta: 107.0 MB). Free memory was 77.8 MB in the beginning and 177.0 MB in the end (delta: -99.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. * Witness Printer took 165.98 ms. Allocated memory is still 251.7 MB. Free memory was 177.0 MB in the beginning and 170.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...