./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.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_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/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 1d28fd66952ef369b293b454cf3bb59a162528dc ................................................................................................................................................................................................................................................................................................................. 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 18:21:00,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:21:00,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:21:00,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:21:00,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:21:00,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:21:00,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:21:00,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:21:00,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:21:00,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:21:00,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:21:00,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:21:00,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:21:00,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:21:00,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:21:00,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:21:00,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:21:00,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:21:00,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:21:00,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:21:00,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:21:00,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:21:00,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:21:00,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:21:00,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:21:00,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:21:00,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:21:00,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:21:00,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:21:00,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:21:00,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:21:00,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:21:00,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:21:00,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:21:00,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:21:00,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:21:00,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:21:00,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:21:00,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:21:00,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:21:00,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:21:00,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:21:00,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:21:00,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:21:00,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:21:00,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:21:00,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:21:00,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:21:00,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:21:00,995 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:21:00,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:21:00,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:21:00,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:21:00,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:21:00,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:21:00,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:21:00,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:21:00,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:21:00,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:21:00,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:21:00,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:21:00,999 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:21:00,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:21:00,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:21:00,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:21:01,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:21:01,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:21:01,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:21:01,000 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:21:01,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:21:01,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:21:01,002 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_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d28fd66952ef369b293b454cf3bb59a162528dc [2020-12-01 18:21:01,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:21:01,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:21:01,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:21:01,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:21:01,313 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:21:01,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2020-12-01 18:21:01,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/data/6eed652d9/368be72d390648d0bb96c034b6ca3233/FLAG078a8f5dc [2020-12-01 18:21:01,912 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:21:01,913 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2020-12-01 18:21:01,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/data/6eed652d9/368be72d390648d0bb96c034b6ca3233/FLAG078a8f5dc [2020-12-01 18:21:02,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/data/6eed652d9/368be72d390648d0bb96c034b6ca3233 [2020-12-01 18:21:02,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:21:02,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:21:02,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:21:02,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:21:02,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:21:02,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce02f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02, skipping insertion in model container [2020-12-01 18:21:02,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:21:02,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:21:02,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:21:02,619 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:21:02,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:21:02,784 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:21:02,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02 WrapperNode [2020-12-01 18:21:02,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:21:02,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:21:02,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:21:02,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:21:02,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:21:02,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:21:02,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:21:02,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:21:02,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... [2020-12-01 18:21:02,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:21:02,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:21:02,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:21:02,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:21:02,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:21:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/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 18:21:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:21:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:21:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:21:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:21:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:21:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:21:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:21:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:21:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:21:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:21:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:21:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:21:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:21:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:21:04,746 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:21:04,746 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 18:21:04,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:04 BoogieIcfgContainer [2020-12-01 18:21:04,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:21:04,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:21:04,751 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:21:04,762 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:21:04,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:04" (1/1) ... [2020-12-01 18:21:04,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:21:04,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2020-12-01 18:21:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-12-01 18:21:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:21:04,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:05,155 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 18:21:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2020-12-01 18:21:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-12-01 18:21:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:21:05,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:05,306 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 18:21:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2020-12-01 18:21:05,345 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2020-12-01 18:21:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:21:05,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:05,533 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 18:21:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2020-12-01 18:21:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2020-12-01 18:21:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:21:05,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:21:06,119 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:21:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:21:06,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:21:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:21:06,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:21:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:21:06,569 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:21:07,169 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 18:21:07,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:21:07 ImpRootNode [2020-12-01 18:21:07,265 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:21:07,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:21:07,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:21:07,266 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:21:07,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:21:04" (3/4) ... [2020-12-01 18:21:07,268 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:21:07,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0786f4b-00a9-4b76-bde8-4d1c2b22590e/bin/ukojak/witness.graphml [2020-12-01 18:21:07,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:21:07,370 INFO L168 Benchmark]: Toolchain (without parser) took 5133.94 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 52.9 MB in the beginning and 42.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,371 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:21:07,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.56 ms. Allocated memory is still 83.9 MB. Free memory was 52.8 MB in the beginning and 53.5 MB in the end (delta: -696.7 kB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.63 ms. Allocated memory is still 83.9 MB. Free memory was 53.5 MB in the beginning and 50.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,373 INFO L168 Benchmark]: Boogie Preprocessor took 37.46 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 49.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,373 INFO L168 Benchmark]: RCFGBuilder took 1860.33 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 77.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,374 INFO L168 Benchmark]: CodeCheck took 2514.29 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 51.3 MB in the end (delta: 26.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,374 INFO L168 Benchmark]: Witness Printer took 103.65 ms. Allocated memory is still 107.0 MB. Free memory was 50.8 MB in the beginning and 42.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:21:07,377 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 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 44 SDslu, 76 SDs, 0 SdLazy, 70 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L297] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L532] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L608] int retValue_acc ; [L609] int tmp ; [L523] int retValue_acc ; [L526] retValue_acc = 1 [L527] return (retValue_acc); [L615] tmp = valid_product() [L617] COND TRUE \read(tmp) [L810] int splverifierCounter ; [L811] int tmp ; [L812] int tmp___0 ; [L813] int tmp___1 ; [L814] int tmp___2 ; [L817] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L819] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] COND TRUE splverifierCounter < 4 [L827] tmp = __VERIFIER_nondet_int() [L829] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L831] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L837] tmp___0 = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp___2 = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp___2)) [L855] tmp___1 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L866] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L642] int tmp ; [L643] int tmp___0 ; [L644] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L648] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] tmp = isMethaneLevelCritical() [L650] COND FALSE !(\read(tmp)) [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L654] tmp___0 = getWaterLevel() [L656] COND TRUE tmp___0 == 2 [L741] int retValue_acc ; [L744] retValue_acc = pumpRunning [L745] return (retValue_acc); [L658] tmp___1 = isPumpRunning() [L660] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product04.cil.c", 3, "reach_error") VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 61.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.56 ms. Allocated memory is still 83.9 MB. Free memory was 52.8 MB in the beginning and 53.5 MB in the end (delta: -696.7 kB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.63 ms. Allocated memory is still 83.9 MB. Free memory was 53.5 MB in the beginning and 50.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.46 ms. Allocated memory is still 83.9 MB. Free memory was 50.9 MB in the beginning and 49.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1860.33 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 77.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * CodeCheck took 2514.29 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 51.3 MB in the end (delta: 26.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Witness Printer took 103.65 ms. Allocated memory is still 107.0 MB. Free memory was 50.8 MB in the beginning and 42.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...