./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_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/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 [2020-11-28 04:38:00,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:00,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:00,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:00,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:00,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:00,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:00,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:00,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:00,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:00,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:00,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:00,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:00,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:00,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:00,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:00,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:00,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:00,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:00,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:00,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:00,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:00,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:00,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:00,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:00,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:00,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:00,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:00,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:00,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:00,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:00,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:00,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:00,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:00,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:00,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:00,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:00,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:00,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:00,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:00,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:00,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:00,602 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:00,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:00,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:00,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:00,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:00,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:00,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:00,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:00,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:00,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:00,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:00,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:00,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:00,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:00,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:00,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:00,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:00,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:00,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:00,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:00,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:00,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:00,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:00,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:00,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:00,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:00,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:00,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:00,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:00,613 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_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04a081dc9d0da3f0fd6fd57a31d7ab84af864dd [2020-11-28 04:38:00,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:00,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:00,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:00,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:00,949 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:00,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-11-28 04:38:01,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/data/46a05bbd0/be1a84382fa04bfda9d4c7a31888d073/FLAG67b3c22b7 [2020-11-28 04:38:01,626 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:01,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2020-11-28 04:38:01,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/data/46a05bbd0/be1a84382fa04bfda9d4c7a31888d073/FLAG67b3c22b7 [2020-11-28 04:38:01,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/data/46a05bbd0/be1a84382fa04bfda9d4c7a31888d073 [2020-11-28 04:38:01,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:01,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:01,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:01,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:01,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:01,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:01" (1/1) ... [2020-11-28 04:38:01,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa9607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:01, skipping insertion in model container [2020-11-28 04:38:01,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:01" (1/1) ... [2020-11-28 04:38:01,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:02,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:02,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:02,446 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:02,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:02,561 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:02,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02 WrapperNode [2020-11-28 04:38:02,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:02,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:02,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:02,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:02,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:02,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:02,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:02,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:02,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... [2020-11-28 04:38:02,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:02,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:02,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:02,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:02,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/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 04:38:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:38:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:38:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:38:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:38:02,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:38:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:38:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:38:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:38:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:38:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:38:02,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:38:02,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:38:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:38:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:38:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:38:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:38:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:38:02,756 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:38:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:04,022 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:04,022 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:38:04,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:04 BoogieIcfgContainer [2020-11-28 04:38:04,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:04,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:04,025 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:04,036 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:04,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:04" (1/1) ... [2020-11-28 04:38:04,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-11-28 04:38:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-11-28 04:38:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:38:04,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,398 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 04:38:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-11-28 04:38:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-11-28 04:38:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:38:04,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-11-28 04:38:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-11-28 04:38:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:38:04,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:04,678 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 04:38:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-11-28 04:38:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-28 04:38:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:38:05,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,163 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 04:38:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-11-28 04:38:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-11-28 04:38:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:38:05,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,299 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 04:38:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-11-28 04:38:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-11-28 04:38:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:38:05,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,384 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 04:38:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-11-28 04:38:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-11-28 04:38:05,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:38:05,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:05,519 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 04:38:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2020-11-28 04:38:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2020-11-28 04:38:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:38:06,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:06,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:06,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:06,726 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:06,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:06,994 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-11-28 04:38:07,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:07 ImpRootNode [2020-11-28 04:38:07,168 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:07,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:07,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:07,169 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:07,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:04" (3/4) ... [2020-11-28 04:38:07,171 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:07,348 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_53943ab7-e8e5-44db-8f0f-9cb2e55c9a8a/bin/ukojak/witness.graphml [2020-11-28 04:38:07,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:07,350 INFO L168 Benchmark]: Toolchain (without parser) took 5402.28 ms. Allocated memory was 86.0 MB in the beginning and 132.1 MB in the end (delta: 46.1 MB). Free memory was 53.1 MB in the beginning and 92.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,351 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:07,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.41 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 53.0 MB in the end (delta: -67.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 50.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,354 INFO L168 Benchmark]: Boogie Preprocessor took 60.25 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 48.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,355 INFO L168 Benchmark]: RCFGBuilder took 1332.92 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 48.4 MB in the beginning and 78.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,356 INFO L168 Benchmark]: CodeCheck took 3142.82 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 78.7 MB in the beginning and 102.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,356 INFO L168 Benchmark]: Witness Printer took 179.69 ms. Allocated memory is still 132.1 MB. Free memory was 102.7 MB in the beginning and 92.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:07,360 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: 2.9s, 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, 1.4s 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, 0.5s 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 0.21 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.41 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 53.0 MB in the end (delta: -67.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 50.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.25 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 48.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1332.92 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 48.4 MB in the beginning and 78.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * CodeCheck took 3142.82 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 78.7 MB in the beginning and 102.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. * Witness Printer took 179.69 ms. Allocated memory is still 132.1 MB. Free memory was 102.7 MB in the beginning and 92.2 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...