./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:27:32,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:27:32,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:27:32,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:27:32,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:27:32,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:27:32,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:27:32,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:27:32,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:27:32,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:27:32,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:27:32,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:27:32,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:27:32,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:27:32,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:27:32,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:27:32,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:27:32,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:27:32,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:27:32,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:27:32,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:27:32,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:27:32,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:27:32,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:27:32,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:27:32,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:27:32,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:27:32,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:27:32,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:27:32,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:27:32,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:27:32,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:27:32,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:27:32,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:27:32,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:27:32,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:27:32,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:27:32,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:27:32,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:27:32,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:27:32,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:27:32,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:27:33,017 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:27:33,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:27:33,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:27:33,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:27:33,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:27:33,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:27:33,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:27:33,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:27:33,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:27:33,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:27:33,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:27:33,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:27:33,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:27:33,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:27:33,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:27:33,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:27:33,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:27:33,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:27:33,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:27:33,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:27:33,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:27:33,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:27:33,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:27:33,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:27:33,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:27:33,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:27:33,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:27:33,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:27:33,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:27:33,026 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_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2020-12-01 17:27:33,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:27:33,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:27:33,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:27:33,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:27:33,339 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:27:33,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-12-01 17:27:33,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/data/882027337/4ff30677907b4586a95156015d41e4f9/FLAG2ac4a1b83 [2020-12-01 17:27:33,963 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:27:33,972 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-12-01 17:27:33,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/data/882027337/4ff30677907b4586a95156015d41e4f9/FLAG2ac4a1b83 [2020-12-01 17:27:34,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/data/882027337/4ff30677907b4586a95156015d41e4f9 [2020-12-01 17:27:34,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:27:34,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:27:34,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:34,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:27:34,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:27:34,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405412b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34, skipping insertion in model container [2020-12-01 17:27:34,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:27:34,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:27:34,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:34,717 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:27:34,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:34,831 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:27:34,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34 WrapperNode [2020-12-01 17:27:34,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:34,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:34,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:27:34,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:27:34,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:34,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:27:34,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:27:34,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:27:34,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... [2020-12-01 17:27:34,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:27:34,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:27:34,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:27:34,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:27:34,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:27:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:27:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:27:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:27:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:27:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:27:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:27:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:27:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:27:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:27:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:27:35,039 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:27:35,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:27:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:27:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:27:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:27:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:27:35,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:27:35,040 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:27:35,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:27:35,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:27:36,185 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:27:36,185 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 17:27:36,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:36 BoogieIcfgContainer [2020-12-01 17:27:36,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:27:36,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:27:36,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:27:36,200 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:27:36,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:36" (1/1) ... [2020-12-01 17:27:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:27:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-12-01 17:27:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-12-01 17:27:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:27:36,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-12-01 17:27:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-12-01 17:27:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:27:36,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-12-01 17:27:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-12-01 17:27:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:27:36,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2020-12-01 17:27:37,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-12-01 17:27:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:27:37,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:37,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-12-01 17:27:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-12-01 17:27:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:27:37,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:37,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-12-01 17:27:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-12-01 17:27:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:27:37,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2020-12-01 17:27:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2020-12-01 17:27:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:27:38,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-12-01 17:27:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-12-01 17:27:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:27:38,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2020-12-01 17:27:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2020-12-01 17:27:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:27:39,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2020-12-01 17:27:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2020-12-01 17:27:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:27:39,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2020-12-01 17:27:39,730 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2020-12-01 17:27:39,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:27:39,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:27:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 214 transitions. [2020-12-01 17:27:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2020-12-01 17:27:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:27:40,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:40,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 219 transitions. [2020-12-01 17:27:40,061 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2020-12-01 17:27:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:27:40,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:27:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 229 transitions. [2020-12-01 17:27:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 229 transitions. [2020-12-01 17:27:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:27:40,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 141 states and 244 transitions. [2020-12-01 17:27:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2020-12-01 17:27:40,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:27:40,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 249 transitions. [2020-12-01 17:27:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 249 transitions. [2020-12-01 17:27:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:27:40,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:27:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 243 transitions. [2020-12-01 17:27:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2020-12-01 17:27:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:27:40,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 261 transitions. [2020-12-01 17:27:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2020-12-01 17:27:41,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:27:41,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:27:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:42,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 268 transitions. [2020-12-01 17:27:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 268 transitions. [2020-12-01 17:27:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:27:42,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:42,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 154 states and 271 transitions. [2020-12-01 17:27:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2020-12-01 17:27:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:27:42,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 161 states and 286 transitions. [2020-12-01 17:27:43,458 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 286 transitions. [2020-12-01 17:27:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:27:43,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:27:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 162 states and 286 transitions. [2020-12-01 17:27:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 286 transitions. [2020-12-01 17:27:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:27:44,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:27:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 170 states and 298 transitions. [2020-12-01 17:27:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 298 transitions. [2020-12-01 17:27:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:27:44,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:44,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 300 transitions. [2020-12-01 17:27:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2020-12-01 17:27:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:27:44,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 302 transitions. [2020-12-01 17:27:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 302 transitions. [2020-12-01 17:27:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:27:44,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:27:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 189 states and 344 transitions. [2020-12-01 17:27:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 344 transitions. [2020-12-01 17:27:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:27:46,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:27:46,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 190 states and 345 transitions. [2020-12-01 17:27:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 345 transitions. [2020-12-01 17:27:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:27:46,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:27:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 202 states and 375 transitions. [2020-12-01 17:27:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2020-12-01 17:27:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:27:47,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:27:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 205 states and 379 transitions. [2020-12-01 17:27:47,925 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2020-12-01 17:27:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:27:47,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:27:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 206 states and 380 transitions. [2020-12-01 17:27:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 380 transitions. [2020-12-01 17:27:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:27:47,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:27:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 207 states and 381 transitions. [2020-12-01 17:27:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 381 transitions. [2020-12-01 17:27:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:27:48,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:27:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 215 states and 400 transitions. [2020-12-01 17:27:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 400 transitions. [2020-12-01 17:27:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:27:49,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:27:50,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 217 states and 404 transitions. [2020-12-01 17:27:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 404 transitions. [2020-12-01 17:27:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:27:50,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:27:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 225 states and 420 transitions. [2020-12-01 17:27:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 420 transitions. [2020-12-01 17:27:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:27:51,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:27:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 226 states and 423 transitions. [2020-12-01 17:27:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 423 transitions. [2020-12-01 17:27:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:27:51,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:27:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 227 states and 424 transitions. [2020-12-01 17:27:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 424 transitions. [2020-12-01 17:27:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:27:51,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:27:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 230 states and 423 transitions. [2020-12-01 17:27:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 423 transitions. [2020-12-01 17:27:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:27:52,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:27:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 236 states and 432 transitions. [2020-12-01 17:27:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 432 transitions. [2020-12-01 17:27:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:27:52,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:27:53,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 242 states and 446 transitions. [2020-12-01 17:27:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 446 transitions. [2020-12-01 17:27:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:27:53,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:27:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 243 states and 449 transitions. [2020-12-01 17:27:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 449 transitions. [2020-12-01 17:27:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:27:53,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:27:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 244 states and 450 transitions. [2020-12-01 17:27:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 450 transitions. [2020-12-01 17:27:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:27:53,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:27:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 249 states and 458 transitions. [2020-12-01 17:27:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 458 transitions. [2020-12-01 17:27:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:27:54,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:27:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 252 states and 463 transitions. [2020-12-01 17:27:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 463 transitions. [2020-12-01 17:27:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:27:54,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:27:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 255 states and 467 transitions. [2020-12-01 17:27:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 467 transitions. [2020-12-01 17:27:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:27:54,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:27:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 256 states and 468 transitions. [2020-12-01 17:27:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 468 transitions. [2020-12-01 17:27:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:27:54,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:27:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 257 states and 469 transitions. [2020-12-01 17:27:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 469 transitions. [2020-12-01 17:27:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:27:54,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:27:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 260 states and 472 transitions. [2020-12-01 17:27:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 472 transitions. [2020-12-01 17:27:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:27:54,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:27:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 261 states and 473 transitions. [2020-12-01 17:27:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 473 transitions. [2020-12-01 17:27:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:27:54,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:27:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 102 states and 135 transitions. [2020-12-01 17:27:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2020-12-01 17:27:54,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:27:54,786 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-12-01 17:27:54,800 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:27:55,186 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,191 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:27:55,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,195 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,196 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:27:55,198 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:55,198 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:27:55,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:27:55 ImpRootNode [2020-12-01 17:27:55,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:27:55,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:27:55,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:27:55,200 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:27:55,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:27:36" (3/4) ... [2020-12-01 17:27:55,204 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:27:55,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:27:55,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:27:55,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:27:55,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:27:55,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:27:55,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:27:55,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:27:55,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:27:55,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-12-01 17:27:55,219 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:27:55,220 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:27:55,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:27:55,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:27:55,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:27:55,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:27:55,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 17:27:55,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:27:55,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7a4ac8b2-1f1b-4c14-a8ca-da019f3e32c5/bin/ukojak/witness.graphml [2020-12-01 17:27:55,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:27:55,327 INFO L168 Benchmark]: Toolchain (without parser) took 21011.33 ms. Allocated memory was 113.2 MB in the beginning and 423.6 MB in the end (delta: 310.4 MB). Free memory was 79.5 MB in the beginning and 354.2 MB in the end (delta: -274.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,328 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:27:55,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.52 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 78.5 MB in the end (delta: 822.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.61 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 76.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,329 INFO L168 Benchmark]: Boogie Preprocessor took 38.57 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,330 INFO L168 Benchmark]: RCFGBuilder took 1257.12 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 58.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,330 INFO L168 Benchmark]: CodeCheck took 19011.18 ms. Allocated memory was 113.2 MB in the beginning and 423.6 MB in the end (delta: 310.4 MB). Free memory was 58.8 MB in the beginning and 359.4 MB in the end (delta: -300.6 MB). Peak memory consumption was 228.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,331 INFO L168 Benchmark]: Witness Printer took 125.12 ms. Allocated memory is still 423.6 MB. Free memory was 359.4 MB in the beginning and 354.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:55,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1463241632 SDtfs, -698487064 SDslu, 770765844 SDs, 0 SdLazy, 1715370180 SolverSat, -408394840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22323 GetRequests, 22029 SyntacticMatches, 12 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34426 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2173 NumberOfCodeBlocks, 2173 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2125 ConstructedInterpolants, 0 QuantifiedInterpolants, 194241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 42 PerfectInterpolantSequences, 759/787 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: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 31.1 MB in the beginning and 31.0 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 511.52 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 78.5 MB in the end (delta: 822.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.61 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 76.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.57 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1257.12 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 58.8 MB in the end (delta: 15.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * CodeCheck took 19011.18 ms. Allocated memory was 113.2 MB in the beginning and 423.6 MB in the end (delta: 310.4 MB). Free memory was 58.8 MB in the beginning and 359.4 MB in the end (delta: -300.6 MB). Peak memory consumption was 228.9 MB. Max. memory is 16.1 GB. * Witness Printer took 125.12 ms. Allocated memory is still 423.6 MB. Free memory was 359.4 MB in the beginning and 354.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...