./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.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_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/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 0c75cc0efa833cee2ae88b3635c1f8807d970760 ............................................................................................................................................................................................................................................................................................................................................................. 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 04:33:15,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:15,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:15,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:15,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:15,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:15,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:15,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:15,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:15,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:15,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:15,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:15,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:15,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:15,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:15,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:15,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:15,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:15,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:15,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:15,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:15,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:15,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:15,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:15,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:15,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:15,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:15,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:15,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:15,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:15,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:15,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:15,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:15,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:15,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:15,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:15,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:15,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:15,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:15,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:15,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:15,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:33:15,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:15,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:15,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:15,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:15,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:15,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:15,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:15,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:15,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:15,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:15,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:15,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:15,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:15,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:15,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:15,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:15,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:15,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:15,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:15,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:15,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:15,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:15,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:15,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:15,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:15,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:15,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:15,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:15,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:15,797 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_759a454a-cf40-4fb2-a99b-c3abe5c63769/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c75cc0efa833cee2ae88b3635c1f8807d970760 [2020-11-28 04:33:16,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:16,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:16,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:16,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:16,084 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:16,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-28 04:33:16,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/data/7de1a90dc/a2e6e506faff44f080bc4713cad11372/FLAGf2111ea75 [2020-11-28 04:33:16,663 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:16,664 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2020-11-28 04:33:16,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/data/7de1a90dc/a2e6e506faff44f080bc4713cad11372/FLAGf2111ea75 [2020-11-28 04:33:16,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/data/7de1a90dc/a2e6e506faff44f080bc4713cad11372 [2020-11-28 04:33:16,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:16,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:16,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:16,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:16,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:16,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:16" (1/1) ... [2020-11-28 04:33:16,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146e3704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:16, skipping insertion in model container [2020-11-28 04:33:16,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:16" (1/1) ... [2020-11-28 04:33:17,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:17,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:17,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:17,475 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:17,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:17,607 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:17,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17 WrapperNode [2020-11-28 04:33:17,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:17,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:17,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:17,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:17,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:17,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:17,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:17,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:17,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:17,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:17,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:17,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:17,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/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 04:33:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:33:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:33:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:33:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:33:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:33:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:33:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:33:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:33:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:33:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-28 04:33:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:33:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:33:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:33:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:33:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:33:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:33:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:33:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:33:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:33:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:33:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:19,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:19,195 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-28 04:33:19,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19 BoogieIcfgContainer [2020-11-28 04:33:19,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:19,199 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:19,199 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:19,207 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:19,207 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19" (1/1) ... [2020-11-28 04:33:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2020-11-28 04:33:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2020-11-28 04:33:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:33:19,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,599 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 04:33:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2020-11-28 04:33:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2020-11-28 04:33:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:33:19,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,780 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 04:33:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2020-11-28 04:33:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2020-11-28 04:33:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:33:19,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:19,913 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 04:33:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 83 states and 113 transitions. [2020-11-28 04:33:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2020-11-28 04:33:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:33:20,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,178 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 04:33:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2020-11-28 04:33:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2020-11-28 04:33:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:20,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,709 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 04:33:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 128 transitions. [2020-11-28 04:33:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2020-11-28 04:33:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:33:20,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,869 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 04:33:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 110 states and 167 transitions. [2020-11-28 04:33:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2020-11-28 04:33:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:21,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:21,786 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 04:33:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 111 states and 168 transitions. [2020-11-28 04:33:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2020-11-28 04:33:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:21,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:21,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:21,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:22,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:22,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:22,413 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-11-28 04:33:22,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:22 ImpRootNode [2020-11-28 04:33:22,662 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:22,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:22,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:22,663 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:22,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19" (3/4) ... [2020-11-28 04:33:22,668 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:22,813 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_759a454a-cf40-4fb2-a99b-c3abe5c63769/bin/ukojak/witness.graphml [2020-11-28 04:33:22,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:22,815 INFO L168 Benchmark]: Toolchain (without parser) took 5838.81 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 51.7 MB in the beginning and 49.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,816 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:22,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.58 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 54.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.34 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,825 INFO L168 Benchmark]: Boogie Preprocessor took 53.62 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,826 INFO L168 Benchmark]: RCFGBuilder took 1457.62 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 79.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,827 INFO L168 Benchmark]: CodeCheck took 3463.25 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 79.8 MB in the beginning and 60.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,828 INFO L168 Benchmark]: Witness Printer took 151.13 ms. Allocated memory is still 136.3 MB. Free memory was 60.1 MB in the beginning and 49.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:22,831 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 11 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3030 SDtfs, 662 SDslu, 1198 SDs, 0 SdLazy, 1102 SolverSat, 404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1228 GetRequests, 1186 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 7984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: [L92] int pumpRunning = 0; [L93] int systemActive = 1; [L429] int waterLevel = 1; [L430] int methaneLevelCritical = 0; [L701] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L898] int cleanupTimeShifts = 4; [L971] int retValue_acc ; [L972] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L978] tmp = valid_product() [L980] COND TRUE \read(tmp) [L360] int splverifierCounter ; [L361] int tmp ; [L362] int tmp___0 ; [L363] int tmp___1 ; [L364] int tmp___2 ; [L367] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L369] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L371] COND TRUE splverifierCounter < 4 [L377] tmp = __VERIFIER_nondet_int() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L381] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] COND TRUE waterLevel < 2 [L448] waterLevel = waterLevel + 1 [L381] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L387] tmp___0 = __VERIFIER_nondet_int() [L389] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L397] tmp___2 = __VERIFIER_nondet_int() [L399] COND FALSE !(\read(tmp___2)) [L405] tmp___1 = __VERIFIER_nondet_int() [L407] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L343] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L416] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L100] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1004] int tmp ; [L1005] int tmp___0 ; [L1006] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1010] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L468] int retValue_acc ; [L471] retValue_acc = methaneLevelCritical [L472] return (retValue_acc); [L1010] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1010] tmp = isMethaneLevelCritical() [L1012] COND FALSE !(\read(tmp)) [L500] int retValue_acc ; [L503] retValue_acc = waterLevel [L504] return (retValue_acc); [L1016] tmp___0 = getWaterLevel() [L1018] COND TRUE tmp___0 == 2 [L250] int retValue_acc ; [L253] retValue_acc = pumpRunning [L254] return (retValue_acc); [L1020] tmp___1 = isPumpRunning() [L1022] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product64.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, 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 90.2 MB. Free memory is still 69.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 621.58 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 54.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.34 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.62 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1457.62 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 79.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * CodeCheck took 3463.25 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 79.8 MB in the beginning and 60.1 MB in the end (delta: 19.7 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * Witness Printer took 151.13 ms. Allocated memory is still 136.3 MB. Free memory was 60.1 MB in the beginning and 49.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...