./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.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_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/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 bde924d16b17f34a4892c0a089b602f0bd3cd51c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:25,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:25,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:25,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:25,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:25,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:25,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:25,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:25,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:25,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:25,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:25,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:25,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:25,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:25,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:25,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:25,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:25,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:25,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:25,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:25,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:25,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:25,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:25,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:25,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:25,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:25,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:25,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:25,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:25,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:25,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:25,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:25,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:25,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:25,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:25,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:25,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:25,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:25,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:25,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:25,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:25,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:25,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:25,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:25,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:25,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:25,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:25,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:25,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:25,923 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:25,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:25,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:25,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:25,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:25,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:25,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:25,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:25,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:25,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:25,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:25,931 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:25,931 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:25,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:25,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:25,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:25,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:25,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:25,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:25,933 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:25,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:25,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:25,936 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_ab194577-87a6-43e8-9629-5e994ee0f6a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde924d16b17f34a4892c0a089b602f0bd3cd51c [2020-11-28 04:42:26,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:26,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:26,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:26,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:26,298 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:26,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-11-28 04:42:26,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/data/259a0db1c/b8670c2acdcd4a84b079c47b1f5e8257/FLAG9dfe53d7b [2020-11-28 04:42:26,908 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:26,909 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/sv-benchmarks/c/product-lines/minepump_spec1_product52.cil.c [2020-11-28 04:42:26,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/data/259a0db1c/b8670c2acdcd4a84b079c47b1f5e8257/FLAG9dfe53d7b [2020-11-28 04:42:27,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/data/259a0db1c/b8670c2acdcd4a84b079c47b1f5e8257 [2020-11-28 04:42:27,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:27,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:27,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:27,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:27,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:27,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb29503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27, skipping insertion in model container [2020-11-28 04:42:27,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:27,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:27,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:27,631 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:27,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:27,777 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:27,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27 WrapperNode [2020-11-28 04:42:27,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:27,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:27,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:27,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:27,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:27,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:27,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:27,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:27,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:27,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:27,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:27,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:27,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/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 [2020-11-28 04:42:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:42:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:42:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:42:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:42:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:42:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:42:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:29,202 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:29,202 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-28 04:42:29,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:29 BoogieIcfgContainer [2020-11-28 04:42:29,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:29,206 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:29,206 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:29,216 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:29,217 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:29" (1/1) ... [2020-11-28 04:42:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2020-11-28 04:42:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2020-11-28 04:42:29,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:29,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-11-28 04:42:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-11-28 04:42:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:29,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2020-11-28 04:42:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2020-11-28 04:42:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:42:29,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2020-11-28 04:42:29,857 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2020-11-28 04:42:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:42:29,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-11-28 04:42:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-11-28 04:42:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:42:30,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2020-11-28 04:42:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2020-11-28 04:42:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:30,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2020-11-28 04:42:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2020-11-28 04:42:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:42:30,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2020-11-28 04:42:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-11-28 04:42:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:42:31,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2020-11-28 04:42:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-11-28 04:42:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:42:31,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2020-11-28 04:42:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2020-11-28 04:42:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:31,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2020-11-28 04:42:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2020-11-28 04:42:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:31,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 109 states and 182 transitions. [2020-11-28 04:42:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2020-11-28 04:42:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:42:32,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2020-11-28 04:42:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-11-28 04:42:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:42:33,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 244 transitions. [2020-11-28 04:42:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 244 transitions. [2020-11-28 04:42:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:34,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 245 transitions. [2020-11-28 04:42:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 245 transitions. [2020-11-28 04:42:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:42:34,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 246 transitions. [2020-11-28 04:42:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2020-11-28 04:42:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:34,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 251 transitions. [2020-11-28 04:42:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 251 transitions. [2020-11-28 04:42:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:35,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 141 states and 258 transitions. [2020-11-28 04:42:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 258 transitions. [2020-11-28 04:42:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:35,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 146 states and 268 transitions. [2020-11-28 04:42:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 268 transitions. [2020-11-28 04:42:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:36,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 146 states and 266 transitions. [2020-11-28 04:42:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2020-11-28 04:42:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:36,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 147 states and 267 transitions. [2020-11-28 04:42:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2020-11-28 04:42:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:36,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 149 states and 273 transitions. [2020-11-28 04:42:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2020-11-28 04:42:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:37,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 152 states and 279 transitions. [2020-11-28 04:42:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2020-11-28 04:42:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:37,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 158 states and 290 transitions. [2020-11-28 04:42:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 290 transitions. [2020-11-28 04:42:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:37,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 159 states and 291 transitions. [2020-11-28 04:42:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-11-28 04:42:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:38,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:38,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:38,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:38,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:42:38,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:42:38,748 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2020-11-28 04:42:38,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:38 ImpRootNode [2020-11-28 04:42:38,991 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:38,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:38,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:38,992 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:38,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:29" (3/4) ... [2020-11-28 04:42:38,995 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:42:39,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab194577-87a6-43e8-9629-5e994ee0f6a9/bin/ukojak/witness.graphml [2020-11-28 04:42:39,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:39,181 INFO L168 Benchmark]: Toolchain (without parser) took 11973.98 ms. Allocated memory was 77.6 MB in the beginning and 220.2 MB in the end (delta: 142.6 MB). Free memory was 43.2 MB in the beginning and 119.3 MB in the end (delta: -76.1 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,182 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 56.1 MB in the end (delta: 24.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:39,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.12 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.1 MB in the beginning and 60.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.97 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 57.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,188 INFO L168 Benchmark]: Boogie Preprocessor took 32.61 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 55.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:39,188 INFO L168 Benchmark]: RCFGBuilder took 1337.17 ms. Allocated memory is still 94.4 MB. Free memory was 55.6 MB in the beginning and 64.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,188 INFO L168 Benchmark]: CodeCheck took 9784.92 ms. Allocated memory was 94.4 MB in the beginning and 220.2 MB in the end (delta: 125.8 MB). Free memory was 64.9 MB in the beginning and 131.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,189 INFO L168 Benchmark]: Witness Printer took 186.92 ms. Allocated memory is still 220.2 MB. Free memory was 131.9 MB in the beginning and 119.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:39,191 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.4s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 375357592 SDtfs, 100272772 SDslu, 181261304 SDs, 0 SdLazy, 151979548 SolverSat, 47509676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6110 GetRequests, 5947 SyntacticMatches, 27 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7338 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 670 NumberOfCodeBlocks, 670 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 613 ConstructedInterpolants, 0 QuantifiedInterpolants, 41743 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L160] int pumpRunning = 0; [L161] int systemActive = 1; [L460] int cleanupTimeShifts = 4; [L754] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L536] int retValue_acc ; [L537] int tmp ; [L977] int retValue_acc ; [L980] retValue_acc = 1 [L981] return (retValue_acc); [L543] tmp = valid_product() [L545] COND TRUE \read(tmp) [L392] int splverifierCounter ; [L393] int tmp ; [L394] int tmp___0 ; [L395] int tmp___1 ; [L396] int tmp___2 ; [L399] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L403] COND TRUE splverifierCounter < 4 [L409] tmp = __VERIFIER_nondet_int() [L411] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L413] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L419] tmp___0 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L80] COND FALSE !(\read(methaneLevelCritical)) [L83] methaneLevelCritical = 1 [L423] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L429] tmp___2 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___2) [L376] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L448] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L175] COND TRUE \read(systemActive) [L223] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L226] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L241] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] COND TRUE ! pumpRunning [L320] int retValue_acc ; [L321] int tmp ; [L322] int tmp___0 ; [L130] int retValue_acc ; [L133] COND FALSE !(waterLevel < 2) [L137] retValue_acc = 0 [L138] return (retValue_acc); [L326] tmp = isHighWaterSensorDry() [L328] COND FALSE !(\read(tmp)) [L331] tmp___0 = 1 [L333] retValue_acc = tmp___0 [L334] return (retValue_acc); [L202] tmp = isHighWaterLevel() [L204] COND TRUE \read(tmp) [L251] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L241] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L565] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L565] tmp = isMethaneLevelCritical() [L567] COND TRUE \read(tmp) [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L569] tmp___0 = isPumpRunning() [L571] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product52.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 56.1 MB in the end (delta: 24.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 571.12 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.1 MB in the beginning and 60.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.97 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 57.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.61 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 55.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1337.17 ms. Allocated memory is still 94.4 MB. Free memory was 55.6 MB in the beginning and 64.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 9784.92 ms. Allocated memory was 94.4 MB in the beginning and 220.2 MB in the end (delta: 125.8 MB). Free memory was 64.9 MB in the beginning and 131.9 MB in the end (delta: -67.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.1 GB. * Witness Printer took 186.92 ms. Allocated memory is still 220.2 MB. Free memory was 131.9 MB in the beginning and 119.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...