./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/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 8d89cb30057b8721685c80693144eb2455c18c87 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:32:06,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:32:06,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:32:06,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:32:06,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:32:06,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:32:06,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:32:06,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:32:06,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:32:06,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:32:06,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:32:06,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:32:06,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:32:06,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:32:06,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:32:06,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:32:06,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:32:06,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:32:06,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:32:06,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:32:06,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:32:06,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:32:06,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:32:06,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:32:06,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:32:06,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:32:06,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:32:06,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:32:06,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:32:06,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:32:06,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:32:06,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:32:06,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:32:06,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:32:06,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:32:06,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:32:06,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:32:06,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:32:06,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:32:06,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:32:06,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:32:06,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:32:06,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:32:06,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:32:06,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:32:06,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:32:06,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:32:06,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:32:06,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:32:06,972 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:32:06,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:32:06,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:32:06,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:32:06,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:32:06,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:32:06,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:32:06,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:32:06,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:32:06,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:32:06,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:32:06,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:32:06,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:32:06,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:32:06,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:32:06,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:32:06,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:32:06,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:32:06,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:32:06,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:32:06,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:32:06,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:32:06,981 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_34871a25-5be4-4f8d-ba75-498cebc83bc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d89cb30057b8721685c80693144eb2455c18c87 [2020-12-01 16:32:07,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:32:07,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:32:07,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:32:07,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:32:07,405 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:32:07,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2020-12-01 16:32:07,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/data/0cd449e7a/65df282beee94bf59b3404633c9ccac0/FLAG3f6ce315e [2020-12-01 16:32:08,364 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:32:08,374 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2020-12-01 16:32:08,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/data/0cd449e7a/65df282beee94bf59b3404633c9ccac0/FLAG3f6ce315e [2020-12-01 16:32:08,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/data/0cd449e7a/65df282beee94bf59b3404633c9ccac0 [2020-12-01 16:32:08,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:32:08,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:32:08,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:08,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:32:08,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:32:08,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:08" (1/1) ... [2020-12-01 16:32:08,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1268bc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:08, skipping insertion in model container [2020-12-01 16:32:08,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:32:08" (1/1) ... [2020-12-01 16:32:08,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:32:08,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:32:09,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:09,131 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:32:09,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:32:09,327 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:32:09,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09 WrapperNode [2020-12-01 16:32:09,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:32:09,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:09,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:32:09,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:32:09,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:32:09,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:32:09,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:32:09,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:32:09,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... [2020-12-01 16:32:09,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:32:09,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:32:09,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:32:09,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:32:09,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:32:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/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 [2020-12-01 16:32:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:32:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:32:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:32:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:32:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:32:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:32:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:32:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:32:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:32:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:32:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:32:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:32:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:32:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:32:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 16:32:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:32:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:32:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:32:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:32:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:32:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:32:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:32:11,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:32:11,677 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 16:32:11,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:11 BoogieIcfgContainer [2020-12-01 16:32:11,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:32:11,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:32:11,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:32:11,697 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:32:11,698 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:11" (1/1) ... [2020-12-01 16:32:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:32:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2020-12-01 16:32:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2020-12-01 16:32:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:32:11,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2020-12-01 16:32:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2020-12-01 16:32:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:32:12,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2020-12-01 16:32:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2020-12-01 16:32:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:32:12,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2020-12-01 16:32:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-12-01 16:32:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:32:12,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-12-01 16:32:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-12-01 16:32:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:32:13,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2020-12-01 16:32:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-12-01 16:32:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:32:13,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 155 transitions. [2020-12-01 16:32:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2020-12-01 16:32:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:32:14,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 103 states and 156 transitions. [2020-12-01 16:32:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2020-12-01 16:32:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:32:14,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 104 states and 157 transitions. [2020-12-01 16:32:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2020-12-01 16:32:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:32:14,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 115 states and 184 transitions. [2020-12-01 16:32:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2020-12-01 16:32:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:32:16,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 117 states and 186 transitions. [2020-12-01 16:32:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2020-12-01 16:32:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:32:16,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 131 states and 210 transitions. [2020-12-01 16:32:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 210 transitions. [2020-12-01 16:32:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:32:17,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 133 states and 216 transitions. [2020-12-01 16:32:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2020-12-01 16:32:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:32:18,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:32:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 134 states and 217 transitions. [2020-12-01 16:32:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2020-12-01 16:32:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:32:18,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 139 states and 226 transitions. [2020-12-01 16:32:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 226 transitions. [2020-12-01 16:32:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:32:18,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 156 states and 270 transitions. [2020-12-01 16:32:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2020-12-01 16:32:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:32:21,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:32:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:32:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:32:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 157 states and 271 transitions. [2020-12-01 16:32:21,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2020-12-01 16:32:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:32:21,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:32:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:21,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:21,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:22,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:32:22,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:32:24,078 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2020-12-01 16:32:24,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:24 ImpRootNode [2020-12-01 16:32:24,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:24,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:24,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:24,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:24,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:32:11" (3/4) ... [2020-12-01 16:32:24,293 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:32:24,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34871a25-5be4-4f8d-ba75-498cebc83bc6/bin/ukojak/witness.graphml [2020-12-01 16:32:24,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:24,476 INFO L168 Benchmark]: Toolchain (without parser) took 15931.14 ms. Allocated memory was 96.5 MB in the beginning and 237.0 MB in the end (delta: 140.5 MB). Free memory was 67.9 MB in the beginning and 130.3 MB in the end (delta: -62.4 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,477 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:24,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.55 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 67.6 MB in the beginning and 98.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.26 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 95.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,479 INFO L168 Benchmark]: Boogie Preprocessor took 66.57 ms. Allocated memory is still 132.1 MB. Free memory was 95.3 MB in the beginning and 93.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:24,480 INFO L168 Benchmark]: RCFGBuilder took 2186.18 ms. Allocated memory is still 132.1 MB. Free memory was 93.7 MB in the beginning and 102.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,481 INFO L168 Benchmark]: CodeCheck took 12605.04 ms. Allocated memory was 132.1 MB in the beginning and 237.0 MB in the end (delta: 104.9 MB). Free memory was 102.7 MB in the beginning and 145.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,481 INFO L168 Benchmark]: Witness Printer took 186.14 ms. Allocated memory is still 237.0 MB. Free memory was 145.0 MB in the beginning and 130.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:24,485 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, 71 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.3s, OverallIterations: 17, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1493824 SDtfs, 346980 SDslu, 636836 SDs, 0 SdLazy, 576332 SolverSat, 217856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3843 GetRequests, 3712 SyntacticMatches, 9 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5459 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 26945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 4/4 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L492] int pumpRunning = 0; [L493] int systemActive = 1; [L813] int cleanupTimeShifts = 4; [L910] int waterLevel = 1; [L911] int methaneLevelCritical = 0; [L886] int retValue_acc ; [L887] int tmp ; [L768] int retValue_acc ; [L771] retValue_acc = 1 [L772] return (retValue_acc); [L893] tmp = valid_product() [L895] COND TRUE \read(tmp) [L415] int splverifierCounter ; [L416] int tmp ; [L417] int tmp___0 ; [L418] int tmp___1 ; [L419] int tmp___2 ; [L422] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L426] COND TRUE splverifierCounter < 4 [L432] tmp = __VERIFIER_nondet_int() [L434] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L436] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L928] COND TRUE waterLevel < 2 [L929] waterLevel = waterLevel + 1 [L436] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] tmp___0 = __VERIFIER_nondet_int() [L444] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L446] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] COND FALSE !(\read(methaneLevelCritical)) [L943] methaneLevelCritical = 1 [L446] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L452] tmp___2 = __VERIFIER_nondet_int() [L454] COND TRUE \read(tmp___2) [L734] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L471] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L500] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L507] COND TRUE \read(systemActive) [L581] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L584] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L599] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L555] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L558] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L573] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L529] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L532] COND TRUE ! pumpRunning [L678] int retValue_acc ; [L679] int tmp ; [L680] int tmp___0 ; [L990] int retValue_acc ; [L993] COND FALSE !(waterLevel < 2) [L997] retValue_acc = 0 [L998] return (retValue_acc); [L684] tmp = isHighWaterSensorDry() [L686] COND FALSE !(\read(tmp)) [L689] tmp___0 = 1 [L691] retValue_acc = tmp___0 [L692] return (retValue_acc); [L534] tmp = isHighWaterLevel() [L536] COND TRUE \read(tmp) [L609] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L573] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L779] int tmp ; [L780] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L784] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L949] int retValue_acc ; [L952] retValue_acc = methaneLevelCritical [L953] return (retValue_acc); [L784] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L784] tmp = isMethaneLevelCritical() [L786] COND TRUE \read(tmp) [L633] int retValue_acc ; [L636] retValue_acc = pumpRunning [L637] return (retValue_acc); [L788] tmp___0 = isPumpRunning() [L790] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec1_product56.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 782.55 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 67.6 MB in the beginning and 98.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.26 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 95.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.57 ms. Allocated memory is still 132.1 MB. Free memory was 95.3 MB in the beginning and 93.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2186.18 ms. Allocated memory is still 132.1 MB. Free memory was 93.7 MB in the beginning and 102.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * CodeCheck took 12605.04 ms. Allocated memory was 132.1 MB in the beginning and 237.0 MB in the end (delta: 104.9 MB). Free memory was 102.7 MB in the beginning and 145.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. * Witness Printer took 186.14 ms. Allocated memory is still 237.0 MB. Free memory was 145.0 MB in the beginning and 130.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...