./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/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 06ca64a9844062fbd8b3f38a9d7c4dbef978677b ............................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-30 00:18:52,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:18:52,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:18:52,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:18:52,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:18:52,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:18:52,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:18:52,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:18:52,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:18:52,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:18:52,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:18:52,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:18:52,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:18:52,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:18:52,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:18:52,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:18:52,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:18:52,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:18:52,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:18:52,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:18:52,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:18:52,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:18:52,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:18:52,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:18:52,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:18:52,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:18:52,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:18:52,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:18:52,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:18:52,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:18:52,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:18:52,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:18:52,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:18:52,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:18:52,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:18:52,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:18:52,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:18:52,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:18:52,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:18:52,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:18:52,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:18:52,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:18:52,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:18:52,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:18:52,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:18:52,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:18:52,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:18:52,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:18:52,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:18:52,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:18:52,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:18:52,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:18:52,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:18:52,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:18:52,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:18:52,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:18:52,928 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:18:52,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:18:52,928 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:18:52,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:18:52,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:18:52,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:18:52,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:18:52,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:18:52,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:18:52,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:18:52,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:18:52,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:18:52,931 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:18:52,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:18:52,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:18:52,934 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_ac962fbe-82b9-4552-99fb-c622d9e09a2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06ca64a9844062fbd8b3f38a9d7c4dbef978677b [2020-11-30 00:18:53,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:18:53,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:18:53,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:18:53,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:18:53,267 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:18:53,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2020-11-30 00:18:53,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/data/63cf43a79/30fb3f309a3b4ff6b806d51e373f6422/FLAGedcab500d [2020-11-30 00:18:54,040 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:18:54,041 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2020-11-30 00:18:54,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/data/63cf43a79/30fb3f309a3b4ff6b806d51e373f6422/FLAGedcab500d [2020-11-30 00:18:54,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/data/63cf43a79/30fb3f309a3b4ff6b806d51e373f6422 [2020-11-30 00:18:54,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:18:54,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:18:54,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:54,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:18:54,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:18:54,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:54,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3534347f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54, skipping insertion in model container [2020-11-30 00:18:54,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:54,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:18:54,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:18:54,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:54,789 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:18:54,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:54,955 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:18:54,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54 WrapperNode [2020-11-30 00:18:54,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:54,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:54,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:18:54,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:18:54,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:55,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:18:55,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:18:55,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:18:55,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... [2020-11-30 00:18:55,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:18:55,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:18:55,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:18:55,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:18:55,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:18:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:18:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:18:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:18:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:18:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:18:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:18:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:18:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:18:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:18:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:18:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:18:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 00:18:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 00:18:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 00:18:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 00:18:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:18:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:18:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:18:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:18:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:18:56,734 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:18:56,735 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 00:18:56,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:56 BoogieIcfgContainer [2020-11-30 00:18:56,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:18:56,739 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:18:56,739 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:18:56,752 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:18:56,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:56" (1/1) ... [2020-11-30 00:18:56,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2020-11-30 00:18:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-11-30 00:18:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:18:56,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2020-11-30 00:18:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2020-11-30 00:18:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:18:57,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2020-11-30 00:18:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2020-11-30 00:18:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 00:18:57,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:57,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2020-11-30 00:18:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2020-11-30 00:18:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:18:57,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2020-11-30 00:18:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-11-30 00:18:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:18:58,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2020-11-30 00:18:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2020-11-30 00:18:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:18:58,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2020-11-30 00:18:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2020-11-30 00:18:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:18:58,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:59,042 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:59,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:59,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:18:59,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:18:59,738 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2020-11-30 00:18:59,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:18:59 ImpRootNode [2020-11-30 00:18:59,871 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:18:59,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:18:59,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:18:59,873 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:18:59,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:56" (3/4) ... [2020-11-30 00:18:59,876 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:18:59,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ac962fbe-82b9-4552-99fb-c622d9e09a2c/bin/ukojak/witness.graphml [2020-11-30 00:18:59,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:18:59,995 INFO L168 Benchmark]: Toolchain (without parser) took 5645.72 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 92.3 MB in the beginning and 129.4 MB in the end (delta: -37.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,995 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:59,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.34 ms. Allocated memory is still 121.6 MB. Free memory was 92.0 MB in the beginning and 87.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.65 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 85.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,997 INFO L168 Benchmark]: Boogie Preprocessor took 37.49 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 83.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,998 INFO L168 Benchmark]: RCFGBuilder took 1637.07 ms. Allocated memory is still 121.6 MB. Free memory was 83.2 MB in the beginning and 90.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,998 INFO L168 Benchmark]: CodeCheck took 3133.11 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 90.6 MB in the beginning and 54.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:59,999 INFO L168 Benchmark]: Witness Printer took 120.22 ms. Allocated memory is still 155.2 MB. Free memory was 54.5 MB in the beginning and 129.4 MB in the end (delta: -74.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:00,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1506 SDtfs, 420 SDslu, 648 SDs, 0 SdLazy, 538 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1026 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 6034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int cleanupTimeShifts = 4; [L688] int pumpRunning = 0; [L689] int systemActive = 1; [L663] int retValue_acc ; [L664] int tmp ; [L569] int retValue_acc ; [L572] retValue_acc = 1 [L573] return (retValue_acc); [L670] tmp = valid_product() [L672] COND TRUE \read(tmp) [L884] int splverifierCounter ; [L885] int tmp ; [L886] int tmp___0 ; [L887] int tmp___1 ; [L888] int tmp___2 ; [L891] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] COND TRUE splverifierCounter < 4 [L901] tmp = __VERIFIER_nondet_int() [L903] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 [L905] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] tmp___0 = __VERIFIER_nondet_int() [L913] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] tmp___2 = __VERIFIER_nondet_int() [L923] COND FALSE !(\read(tmp___2)) [L927] tmp___1 = __VERIFIER_nondet_int() [L929] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND TRUE \read(systemActive) [L750] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L724] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L727] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L742] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] RET processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L53] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] return (retValue_acc); [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L819] int retValue_acc ; [L822] retValue_acc = pumpRunning [L823] return (retValue_acc); [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product29.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.34 ms. Allocated memory is still 121.6 MB. Free memory was 92.0 MB in the beginning and 87.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.65 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 85.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.49 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 83.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1637.07 ms. Allocated memory is still 121.6 MB. Free memory was 83.2 MB in the beginning and 90.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * CodeCheck took 3133.11 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 90.6 MB in the beginning and 54.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 68.5 MB. Max. memory is 16.1 GB. * Witness Printer took 120.22 ms. Allocated memory is still 155.2 MB. Free memory was 54.5 MB in the beginning and 129.4 MB in the end (delta: -74.9 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...