./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ --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 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:28,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:28,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:28,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:28,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:28,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:28,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:28,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:28,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:28,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:28,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:28,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:28,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:28,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:28,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:28,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:28,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:28,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:28,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:28,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:28,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:28,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:28,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:28,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:28,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:28,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:28,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:28,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:28,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:28,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:28,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:28,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:28,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:28,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:28,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:28,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:28,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:28,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:28,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:28,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:28,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:28,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:23:28,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:28,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:28,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:28,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:28,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:28,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:28,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:28,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:28,877 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:28,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:28,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:28,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:28,878 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:28,878 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:28,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:28,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:28,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:28,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:28,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:28,880 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:28,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:28,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:28,881 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_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c [2021-11-23 00:23:29,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:29,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:29,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:29,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:29,158 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:29,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2021-11-23 00:23:29,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/data/717353fa8/d3765c4b4499447ea2a9c6a1fac98bb6/FLAGed0d0364a [2021-11-23 00:23:29,767 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:29,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2021-11-23 00:23:29,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/data/717353fa8/d3765c4b4499447ea2a9c6a1fac98bb6/FLAGed0d0364a [2021-11-23 00:23:30,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/data/717353fa8/d3765c4b4499447ea2a9c6a1fac98bb6 [2021-11-23 00:23:30,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:30,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:30,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:30,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:30,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:30,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426345a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30, skipping insertion in model container [2021-11-23 00:23:30,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:30,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:30,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2021-11-23 00:23:30,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:30,511 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:30,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2021-11-23 00:23:30,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:30,654 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:30,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30 WrapperNode [2021-11-23 00:23:30,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:30,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:30,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:30,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:30,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,745 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 234 [2021-11-23 00:23:30,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:30,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:30,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:30,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:30,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:30,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:30,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:30,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:30,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:30,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:30,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:23:30,907 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:23:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:23:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:23:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:23:30,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:23:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:23:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:23:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:23:30,909 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:23:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:23:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:23:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:31,020 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:31,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:31,320 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:31,451 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:31,452 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:23:31,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:31 BoogieIcfgContainer [2021-11-23 00:23:31,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:31,456 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:31,456 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:31,467 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:31,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:31" (1/1) ... [2021-11-23 00:23:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2021-11-23 00:23:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2021-11-23 00:23:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:23:31,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:31,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:31,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-23 00:23:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-23 00:23:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:23:31,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:31,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:31,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2021-11-23 00:23:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2021-11-23 00:23:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:31,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:31,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2021-11-23 00:23:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2021-11-23 00:23:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:23:32,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2021-11-23 00:23:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2021-11-23 00:23:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:23:32,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2021-11-23 00:23:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-11-23 00:23:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:23:32,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 73 states and 107 transitions. [2021-11-23 00:23:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-11-23 00:23:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:23:32,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2021-11-23 00:23:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-23 00:23:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:23:32,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2021-11-23 00:23:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-11-23 00:23:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:23:32,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:32,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 143 transitions. [2021-11-23 00:23:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2021-11-23 00:23:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:23:33,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:33,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2021-11-23 00:23:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2021-11-23 00:23:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:23:33,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:33,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 155 transitions. [2021-11-23 00:23:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2021-11-23 00:23:34,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:23:34,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:34,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2021-11-23 00:23:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2021-11-23 00:23:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:23:35,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:35,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:36,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 203 transitions. [2021-11-23 00:23:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-23 00:23:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:23:36,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 214 transitions. [2021-11-23 00:23:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2021-11-23 00:23:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:23:36,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 220 transitions. [2021-11-23 00:23:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 220 transitions. [2021-11-23 00:23:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:23:36,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:36,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:23:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 243 transitions. [2021-11-23 00:23:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 243 transitions. [2021-11-23 00:23:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:23:38,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 249 transitions. [2021-11-23 00:23:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2021-11-23 00:23:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:23:38,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:23:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 255 transitions. [2021-11-23 00:23:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 255 transitions. [2021-11-23 00:23:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:23:38,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:38,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 281 transitions. [2021-11-23 00:23:40,362 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2021-11-23 00:23:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:23:40,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:40,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:23:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 167 states and 320 transitions. [2021-11-23 00:23:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 320 transitions. [2021-11-23 00:23:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:23:43,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:23:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 172 states and 324 transitions. [2021-11-23 00:23:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 324 transitions. [2021-11-23 00:23:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:23:44,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:44,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:44,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 183 states and 349 transitions. [2021-11-23 00:23:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 349 transitions. [2021-11-23 00:23:44,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:23:44,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:44,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 194 states and 379 transitions. [2021-11-23 00:23:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 379 transitions. [2021-11-23 00:23:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:23:46,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:46,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:23:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 210 states and 420 transitions. [2021-11-23 00:23:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2021-11-23 00:23:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:23:49,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:23:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 211 states and 417 transitions. [2021-11-23 00:23:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 417 transitions. [2021-11-23 00:23:50,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:23:50,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:50,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:23:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 212 states and 418 transitions. [2021-11-23 00:23:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 418 transitions. [2021-11-23 00:23:50,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:23:50,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:50,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:23:50,643 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:23:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:23:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:23:50,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:23:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:23:50,871 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2021-11-23 00:23:50,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:23:50 ImpRootNode [2021-11-23 00:23:50,964 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:23:50,965 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:23:50,965 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:23:50,965 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:23:50,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:31" (3/4) ... [2021-11-23 00:23:50,972 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:23:51,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:23:51,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:23:51,149 INFO L158 Benchmark]: Toolchain (without parser) took 21059.33ms. Allocated memory was 96.5MB in the beginning and 237.0MB in the end (delta: 140.5MB). Free memory was 64.2MB in the beginning and 168.9MB in the end (delta: -104.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,150 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:51,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.94ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 103.3MB in the end (delta: -39.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.10ms. Allocated memory is still 136.3MB. Free memory was 103.3MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,151 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,152 INFO L158 Benchmark]: RCFGBuilder took 644.66ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 79.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,152 INFO L158 Benchmark]: CodeCheck took 19508.64ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 79.6MB in the beginning and 175.2MB in the end (delta: -95.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,153 INFO L158 Benchmark]: Witness Printer took 183.29ms. Allocated memory is still 237.0MB. Free memory was 175.2MB in the beginning and 168.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:23:51,156 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 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6683 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3117 mSDsluCounter, 6368 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4884 mSDsCounter, 2502 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10006 IncrementalHoareTripleChecker+Invalid, 12508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2502 mSolverCounterUnsat, 2258 mSDtfsCounter, 10006 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10016 GetRequests, 9651 SyntacticMatches, 49 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43483 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 914 ConstructedInterpolants, 0 QuantifiedInterpolants, 2482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 212/227 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: 897]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int waterLevel = 1; [L491] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L759] int cleanupTimeShifts = 4; [L835] int retValue_acc ; [L836] int tmp ; [L840] FCALL select_helpers() [L841] FCALL select_features() [L842] CALL, EXPR valid_product() [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] return (retValue_acc); [L842] RET, EXPR valid_product() [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L846] FCALL setup() [L847] CALL runTest() [L826] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L430] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L442] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel < 2 [L509] waterLevel = waterLevel + 1 [L442] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE ! pumpRunning [L630] CALL, EXPR isHighWaterLevel() [L740] int retValue_acc ; [L741] int tmp ; [L742] int tmp___0 ; [L746] CALL, EXPR isHighWaterSensorDry() [L570] int retValue_acc ; [L573] COND FALSE !(waterLevel < 2) [L577] retValue_acc = 0 [L578] return (retValue_acc); [L746] RET, EXPR isHighWaterSensorDry() [L746] tmp = isHighWaterSensorDry() [L748] COND FALSE !(\read(tmp)) [L751] tmp___0 = 1 [L753] retValue_acc = tmp___0 [L754] return (retValue_acc); [L630] RET, EXPR isHighWaterLevel() [L630] tmp = isHighWaterLevel() [L632] COND TRUE \read(tmp) [L634] CALL activatePump() [L659] int tmp ; [L663] CALL, EXPR isMethaneAlarm() [L684] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L688] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] retValue_acc = isMethaneLevelCritical() [L690] return (retValue_acc); [L663] RET, EXPR isMethaneAlarm() [L663] tmp = isMethaneAlarm() [L665] COND FALSE !(\read(tmp)) [L669] CALL activatePump__wrappee__highWaterSensor() [L653] pumpRunning = 1 [L669] RET activatePump__wrappee__highWaterSensor() [L634] RET activatePump() [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] tmp = isMethaneLevelCritical() [L910] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L611] RET __utac_acc__Specification1_spec__1() [L473] RET timeShift() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L430] COND TRUE 1 VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L432] COND TRUE splverifierCounter < 4 [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___0) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=34, tmp___2=-1, waterLevel=2] [L452] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND FALSE !(\read(methaneLevelCritical)) [L523] methaneLevelCritical = 1 [L452] RET changeMethaneLevel() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=34, tmp___2=-1, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=34, tmp___2=1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L596] COND TRUE \read(pumpRunning) [L598] CALL lowerWaterLevel() [L496] COND TRUE waterLevel > 0 [L497] waterLevel = waterLevel - 1 [L598] RET lowerWaterLevel() [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L628] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L643] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] tmp = isMethaneLevelCritical() [L910] COND TRUE \read(tmp) [L912] CALL, EXPR isPumpRunning() [L695] int retValue_acc ; [L698] retValue_acc = pumpRunning [L699] return (retValue_acc); [L912] RET, EXPR isPumpRunning() [L912] tmp___0 = isPumpRunning() [L914] COND TRUE \read(tmp___0) [L916] CALL __automaton_fail() [L897] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.94ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 103.3MB in the end (delta: -39.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.10ms. Allocated memory is still 136.3MB. Free memory was 103.3MB in the beginning and 101.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 99.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.66ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 79.6MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 19508.64ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 79.6MB in the beginning and 175.2MB in the end (delta: -95.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 183.29ms. Allocated memory is still 237.0MB. Free memory was 175.2MB in the beginning and 168.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:23:51,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8ba2e6-ab97-48b6-b85b-18ca4fdcfabd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE