./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.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_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/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 d04a081dc9d0da3f0fd6fd57a31d7ab84af864dd ........................................................................................................................................................................................................................................................................................................................................................... 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 01:11:01,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:11:01,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:11:01,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:11:01,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:11:01,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:11:01,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:11:01,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:11:01,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:11:01,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:11:01,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:11:01,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:11:01,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:11:01,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:11:01,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:11:01,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:11:01,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:11:01,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:11:01,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:11:01,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:11:01,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:11:01,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:11:01,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:11:01,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:11:01,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:11:01,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:11:01,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:11:01,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:11:01,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:11:01,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:11:01,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:11:01,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:11:01,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:11:01,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:11:01,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:11:01,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:11:01,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:11:01,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:11:01,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:11:01,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:11:01,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:11:01,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:11:01,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:11:01,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:11:01,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:11:01,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:11:01,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:11:01,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:11:01,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:11:01,658 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:11:01,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:11:01,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:11:01,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:11:01,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:11:01,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:11:01,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:11:01,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:11:01,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:11:01,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:11:01,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:11:01,662 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:11:01,662 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:11:01,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:11:01,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:11:01,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:11:01,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:11:01,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:11:01,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:11:01,664 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:11:01,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:11:01,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:11:01,665 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_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04a081dc9d0da3f0fd6fd57a31d7ab84af864dd [2020-11-30 01:11:01,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:11:01,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:11:01,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:11:01,984 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:11:01,984 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:11:01,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-11-30 01:11:02,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/data/989bf2a29/5a89ea0bdcc8454790274135a6e6306e/FLAGca638eaa5 [2020-11-30 01:11:02,595 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:11:02,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-11-30 01:11:02,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/data/989bf2a29/5a89ea0bdcc8454790274135a6e6306e/FLAGca638eaa5 [2020-11-30 01:11:03,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/data/989bf2a29/5a89ea0bdcc8454790274135a6e6306e [2020-11-30 01:11:03,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:11:03,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:11:03,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:11:03,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:11:03,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:11:03,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e65351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03, skipping insertion in model container [2020-11-30 01:11:03,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:11:03,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:11:03,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:11:03,437 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:11:03,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:11:03,581 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:11:03,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03 WrapperNode [2020-11-30 01:11:03,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:11:03,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:11:03,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:11:03,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:11:03,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:11:03,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:11:03,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:11:03,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:11:03,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... [2020-11-30 01:11:03,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:11:03,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:11:03,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:11:03,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:11:03,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:11:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/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 01:11:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:11:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:11:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:11:03,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:11:03,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:11:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:11:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:11:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:11:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:11:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:11:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:11:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:11:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:11:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:11:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:11:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:11:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:11:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:11:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:11:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:11:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:11:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:11:04,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:11:04,872 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-30 01:11:04,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:04 BoogieIcfgContainer [2020-11-30 01:11:04,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:11:04,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:11:04,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:11:04,890 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:11:04,891 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:04" (1/1) ... [2020-11-30 01:11:04,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:11:04,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-11-30 01:11:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-11-30 01:11:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:11:04,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:05,270 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 01:11:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-11-30 01:11:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-11-30 01:11:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:11:05,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:05,407 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 01:11:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-11-30 01:11:05,429 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-11-30 01:11:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:11:05,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:05,513 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 01:11:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-11-30 01:11:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-30 01:11:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:11:05,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:05,938 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 01:11:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-11-30 01:11:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-11-30 01:11:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:11:05,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,032 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 01:11:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-11-30 01:11:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-11-30 01:11:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:11:06,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,118 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 01:11:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-11-30 01:11:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-11-30 01:11:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:11:06,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:06,270 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 01:11:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-30 01:11:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-30 01:11:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:11:06,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:07,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:07,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:07,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:11:07,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:11:07,593 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-11-30 01:11:07,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:11:07 ImpRootNode [2020-11-30 01:11:07,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:11:07,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:07,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:07,832 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:07,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:11:04" (3/4) ... [2020-11-30 01:11:07,834 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 01:11:07,972 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df4dfee6-8012-4e56-b8ab-899ae2f1d3ad/bin/ukojak/witness.graphml [2020-11-30 01:11:07,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:07,978 INFO L168 Benchmark]: Toolchain (without parser) took 4953.71 ms. Allocated memory was 77.6 MB in the beginning and 115.3 MB in the end (delta: 37.7 MB). Free memory was 43.1 MB in the beginning and 65.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,978 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 77.6 MB. Free memory was 57.0 MB in the beginning and 56.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:07,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.83 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.0 MB in the beginning and 60.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,986 INFO L168 Benchmark]: Boogie Preprocessor took 59.28 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 55.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,986 INFO L168 Benchmark]: RCFGBuilder took 1162.96 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 64.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,987 INFO L168 Benchmark]: CodeCheck took 2955.08 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 64.2 MB in the beginning and 76.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,987 INFO L168 Benchmark]: Witness Printer took 145.02 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 65.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:07,990 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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3040 SDtfs, 912 SDslu, 1420 SDs, 0 SdLazy, 994 SolverSat, 302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1207 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7159 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: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L316] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int pumpRunning = 0; [L588] int systemActive = 1; [L870] int cleanupTimeShifts = 4; [L943] int retValue_acc ; [L944] int tmp ; [L861] int retValue_acc ; [L864] retValue_acc = 1 [L865] return (retValue_acc); [L950] tmp = valid_product() [L952] COND TRUE \read(tmp) [L517] int splverifierCounter ; [L518] int tmp ; [L519] int tmp___0 ; [L520] int tmp___1 ; [L521] int tmp___2 ; [L524] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L526] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] COND TRUE splverifierCounter < 4 [L534] tmp = __VERIFIER_nondet_int() [L536] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L538] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L544] tmp___0 = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] tmp___2 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___2)) [L560] tmp___1 = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L786] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L571] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L602] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L799] int tmp ; [L800] int tmp___0 ; [L801] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L805] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L805] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L805] tmp = isMethaneLevelCritical() [L807] COND FALSE !(\read(tmp)) [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L811] tmp___0 = getWaterLevel() [L813] COND TRUE tmp___0 == 2 [L719] int retValue_acc ; [L722] retValue_acc = pumpRunning [L723] return (retValue_acc); [L815] tmp___1 = isPumpRunning() [L817] 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_product31.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 0.12 ms. Allocated memory is still 77.6 MB. Free memory was 57.0 MB in the beginning and 56.9 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 556.83 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 43.0 MB in the beginning and 60.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.28 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 55.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1162.96 ms. Allocated memory is still 94.4 MB. Free memory was 55.7 MB in the beginning and 64.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 2955.08 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 64.2 MB in the beginning and 76.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. * Witness Printer took 145.02 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 65.9 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...