./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.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_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/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 daa9da8859207d10d864ef24e046b0be94d62d80 .............................................................................................................................................................................................................................................................................................................................................................. 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 04:32:20,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:20,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:20,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:20,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:20,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:20,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:20,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:20,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:20,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:20,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:20,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:20,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:20,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:20,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:20,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:20,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:20,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:20,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:20,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:20,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:20,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:20,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:20,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:20,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:20,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:20,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:20,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:20,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:20,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:20,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:20,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:20,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:20,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:20,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:20,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:20,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:20,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:20,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:20,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:20,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:20,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:20,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:20,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:20,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:20,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:20,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:20,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:20,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:20,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:20,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:20,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:20,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:20,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:20,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:20,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:20,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:20,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:20,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:20,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:20,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:20,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:20,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:20,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:20,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:20,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:20,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:20,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:20,902 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:20,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:20,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:20,903 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_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daa9da8859207d10d864ef24e046b0be94d62d80 [2020-11-28 04:32:21,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:21,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:21,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:21,180 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:21,183 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:21,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-11-28 04:32:21,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/data/1915e51ca/633e860794284c8ab572be588cc6f3f5/FLAG715e5fb87 [2020-11-28 04:32:21,858 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:21,858 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-11-28 04:32:21,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/data/1915e51ca/633e860794284c8ab572be588cc6f3f5/FLAG715e5fb87 [2020-11-28 04:32:22,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/data/1915e51ca/633e860794284c8ab572be588cc6f3f5 [2020-11-28 04:32:22,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:22,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:22,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:22,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:22,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:22,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606b7ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22, skipping insertion in model container [2020-11-28 04:32:22,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:22,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:22,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:22,659 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:22,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:22,830 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:22,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22 WrapperNode [2020-11-28 04:32:22,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:22,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:22,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:22,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:22,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:22,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:22,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:22,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:22,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... [2020-11-28 04:32:22,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:22,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:22,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:22,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:22,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/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 04:32:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:32:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:32:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:32:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:32:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:32:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:32:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:32:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:32:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:32:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:32:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:32:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:32:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:24,340 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:24,341 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:32:24,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:24 BoogieIcfgContainer [2020-11-28 04:32:24,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:24,344 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:24,344 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:24,357 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:24,358 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:24" (1/1) ... [2020-11-28 04:32:24,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-11-28 04:32:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-11-28 04:32:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:24,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:24,760 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 04:32:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:32:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:32:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:32:24,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:24,979 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 04:32:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-11-28 04:32:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-11-28 04:32:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:32:25,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:25,187 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 04:32:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-11-28 04:32:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-28 04:32:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:25,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:25,586 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 04:32:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2020-11-28 04:32:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-11-28 04:32:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:25,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:25,904 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 04:32:26,104 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2020-11-28 04:32:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 116 transitions. [2020-11-28 04:32:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2020-11-28 04:32:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:27,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:27,181 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 04:32:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2020-11-28 04:32:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2020-11-28 04:32:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:27,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:27,440 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 04:32:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 92 states and 158 transitions. [2020-11-28 04:32:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 158 transitions. [2020-11-28 04:32:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:32:29,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 159 transitions. [2020-11-28 04:32:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2020-11-28 04:32:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:29,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:29,699 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:29,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:30,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:30,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:30,217 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-28 04:32:30,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:30 ImpRootNode [2020-11-28 04:32:30,345 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:30,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:30,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:30,346 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:30,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:24" (3/4) ... [2020-11-28 04:32:30,349 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:32:30,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0d0279d-b444-4dc1-8f7c-6a44c3351ce0/bin/ukojak/witness.graphml [2020-11-28 04:32:30,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:30,567 INFO L168 Benchmark]: Toolchain (without parser) took 8428.27 ms. Allocated memory was 92.3 MB in the beginning and 144.7 MB in the end (delta: 52.4 MB). Free memory was 64.4 MB in the beginning and 90.4 MB in the end (delta: -26.0 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,567 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:30,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.18 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 64.1 MB in the beginning and 86.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.11 ms. Allocated memory is still 119.5 MB. Free memory was 86.5 MB in the beginning and 84.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,584 INFO L168 Benchmark]: Boogie Preprocessor took 70.06 ms. Allocated memory is still 119.5 MB. Free memory was 84.0 MB in the beginning and 82.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,584 INFO L168 Benchmark]: RCFGBuilder took 1347.89 ms. Allocated memory is still 119.5 MB. Free memory was 82.4 MB in the beginning and 61.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,585 INFO L168 Benchmark]: CodeCheck took 6001.33 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 61.4 MB in the beginning and 100.9 MB in the end (delta: -39.5 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,585 INFO L168 Benchmark]: Witness Printer took 219.45 ms. Allocated memory is still 144.7 MB. Free memory was 100.9 MB in the beginning and 90.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:30,588 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 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5708 SDtfs, 1660 SDslu, 3000 SDs, 0 SdLazy, 3536 SolverSat, 1096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1535 GetRequests, 1449 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 9441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 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: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L311] int waterLevel = 1; [L312] int methaneLevelCritical = 0; [L391] int cleanupTimeShifts = 4; [L656] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L464] int retValue_acc ; [L465] int tmp ; [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); [L471] tmp = valid_product() [L473] COND TRUE \read(tmp) [L244] int splverifierCounter ; [L245] int tmp ; [L246] int tmp___0 ; [L247] int tmp___1 ; [L248] int tmp___2 ; [L251] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] COND TRUE splverifierCounter < 4 [L261] tmp = __VERIFIER_nondet_int() [L263] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L265] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L329] COND TRUE waterLevel < 2 [L330] waterLevel = waterLevel + 1 [L265] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp___0 = __VERIFIER_nondet_int() [L273] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___2 = __VERIFIER_nondet_int() [L283] COND FALSE !(\read(tmp___2)) [L289] tmp___1 = __VERIFIER_nondet_int() [L291] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] COND TRUE \read(systemActive) [L135] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L153] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int tmp ; [L855] int tmp___0 ; [L856] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L350] int retValue_acc ; [L353] retValue_acc = methaneLevelCritical [L354] return (retValue_acc); [L860] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] tmp = isMethaneLevelCritical() [L862] COND FALSE !(\read(tmp)) [L382] int retValue_acc ; [L385] retValue_acc = waterLevel [L386] return (retValue_acc); [L866] tmp___0 = getWaterLevel() [L868] COND TRUE tmp___0 == 2 [L187] int retValue_acc ; [L190] retValue_acc = pumpRunning [L191] return (retValue_acc); [L870] tmp___1 = isPumpRunning() [L872] 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_product06.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 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.18 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 64.1 MB in the beginning and 86.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.11 ms. Allocated memory is still 119.5 MB. Free memory was 86.5 MB in the beginning and 84.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.06 ms. Allocated memory is still 119.5 MB. Free memory was 84.0 MB in the beginning and 82.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1347.89 ms. Allocated memory is still 119.5 MB. Free memory was 82.4 MB in the beginning and 61.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * CodeCheck took 6001.33 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 61.4 MB in the beginning and 100.9 MB in the end (delta: -39.5 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. * Witness Printer took 219.45 ms. Allocated memory is still 144.7 MB. Free memory was 100.9 MB in the beginning and 90.4 MB in the end (delta: 10.5 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...