./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.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_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/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_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/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_02efc08f-b21f-4869-b50e-7d250f8deda8/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 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:50,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:50,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:51,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:51,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:51,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:51,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:51,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:51,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:51,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:51,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:51,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:51,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:51,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:51,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:51,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:51,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:51,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:51,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:51,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:51,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:51,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:51,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:51,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:51,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:51,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:51,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:51,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:51,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:51,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:51,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:51,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:51,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:51,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:51,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:51,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:51,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:51,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:51,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:51,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:51,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:51,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:51,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:51,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:51,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:51,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:51,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:51,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:51,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:51,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:51,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:51,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:51,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:51,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:51,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:51,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:51,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:51,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:51,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:51,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:51,203 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:51,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:51,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:51,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:51,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:51,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:51,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:51,205 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:51,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:51,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:51,206 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_02efc08f-b21f-4869-b50e-7d250f8deda8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087203bb0b91dea113f8c68390dfc2d05a2771becdd7fa7a30895c447c478d7f [2021-11-22 23:22:51,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:51,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:51,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:51,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:51,645 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:51,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2021-11-22 23:22:51,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/data/6ca858bb1/5ef5d9ec8a9e44f490ce9a41f6981d20/FLAG3ab4840e2 [2021-11-22 23:22:52,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:52,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2021-11-22 23:22:52,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/data/6ca858bb1/5ef5d9ec8a9e44f490ce9a41f6981d20/FLAG3ab4840e2 [2021-11-22 23:22:52,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/data/6ca858bb1/5ef5d9ec8a9e44f490ce9a41f6981d20 [2021-11-22 23:22:52,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:52,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:52,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:52,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:52,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:52,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1631bc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:52, skipping insertion in model container [2021-11-22 23:22:52,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:52" (1/1) ... [2021-11-22 23:22:52,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:52,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:22:53,192 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_02efc08f-b21f-4869-b50e-7d250f8deda8/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c[7923,7936] [2021-11-22 23:22:53,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:53,282 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:22:53,354 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_02efc08f-b21f-4869-b50e-7d250f8deda8/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c[7923,7936] [2021-11-22 23:22:53,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:53,433 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:22:53,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53 WrapperNode [2021-11-22 23:22:53,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:53,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:53,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:22:53,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:22:53,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,526 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 274 [2021-11-22 23:22:53,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:53,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:22:53,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:22:53,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:22:53,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:22:53,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:22:53,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:22:53,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:22:53,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:53" (1/1) ... [2021-11-22 23:22:53,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:53,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:22:53,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:22:53,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:22:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:22:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-22 23:22:53,686 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-22 23:22:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-22 23:22:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-22 23:22:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:22:53,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:22:53,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:22:53,688 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:22:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-22 23:22:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-22 23:22:53,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:22:53,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:22:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-22 23:22:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-22 23:22:53,690 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-22 23:22:53,690 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-22 23:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:22:53,691 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:22:53,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:22:53,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:22:53,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:22:53,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:22:54,335 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:22:54,400 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:22:54,400 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:22:54,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:54 BoogieIcfgContainer [2021-11-22 23:22:54,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:22:54,409 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:22:54,409 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:22:54,421 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:22:54,422 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:54" (1/1) ... [2021-11-22 23:22:54,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:22:54,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2021-11-22 23:22:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2021-11-22 23:22:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:54,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 97 transitions. [2021-11-22 23:22:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2021-11-22 23:22:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:54,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2021-11-22 23:22:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2021-11-22 23:22:54,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:22:54,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:54,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2021-11-22 23:22:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2021-11-22 23:22:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:22:55,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-11-22 23:22:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-11-22 23:22:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:55,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-22 23:22:55,423 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-22 23:22:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:55,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2021-11-22 23:22:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2021-11-22 23:22:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:55,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 105 states and 160 transitions. [2021-11-22 23:22:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2021-11-22 23:22:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:56,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 106 states and 161 transitions. [2021-11-22 23:22:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 161 transitions. [2021-11-22 23:22:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:56,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 125 states and 200 transitions. [2021-11-22 23:22:57,233 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 200 transitions. [2021-11-22 23:22:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:57,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 129 states and 206 transitions. [2021-11-22 23:22:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2021-11-22 23:22:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:57,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 216 transitions. [2021-11-22 23:22:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 216 transitions. [2021-11-22 23:22:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:22:57,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-22 23:22:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-22 23:22:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:22:57,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2021-11-22 23:22:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2021-11-22 23:22:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:22:57,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 233 transitions. [2021-11-22 23:22:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2021-11-22 23:22:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:57,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 142 states and 237 transitions. [2021-11-22 23:22:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 237 transitions. [2021-11-22 23:22:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:58,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:58,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:58,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 148 states and 249 transitions. [2021-11-22 23:22:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2021-11-22 23:22:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:22:58,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:58,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 292 transitions. [2021-11-22 23:23:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2021-11-22 23:23:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:23:00,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 167 states and 296 transitions. [2021-11-22 23:23:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2021-11-22 23:23:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:01,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 168 states and 297 transitions. [2021-11-22 23:23:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 297 transitions. [2021-11-22 23:23:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:02,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 168 states and 294 transitions. [2021-11-22 23:23:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2021-11-22 23:23:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:02,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 169 states and 298 transitions. [2021-11-22 23:23:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 298 transitions. [2021-11-22 23:23:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:03,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:03,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:03,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:03,983 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2021-11-22 23:23:04,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:23:04 ImpRootNode [2021-11-22 23:23:04,038 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:23:04,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:23:04,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:23:04,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:23:04,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:54" (3/4) ... [2021-11-22 23:23:04,041 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:23:04,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:23:04,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:23:04,202 INFO L158 Benchmark]: Toolchain (without parser) took 11412.84ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 76.5MB in the beginning and 76.7MB in the end (delta: -132.2kB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,202 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:23:04,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.71ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 84.5MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.33ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 81.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,205 INFO L158 Benchmark]: Boogie Preprocessor took 57.29ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:23:04,205 INFO L158 Benchmark]: RCFGBuilder took 821.14ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 58.3MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,206 INFO L158 Benchmark]: CodeCheck took 9628.54ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 58.3MB in the beginning and 81.9MB in the end (delta: -23.7MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,207 INFO L158 Benchmark]: Witness Printer took 162.79ms. Allocated memory is still 174.1MB. Free memory was 81.9MB in the beginning and 76.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:23:04,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 22, 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, 4506 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1975 mSDsluCounter, 5371 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3690 mSDsCounter, 988 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3794 IncrementalHoareTripleChecker+Invalid, 4782 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 988 mSolverCounterUnsat, 1815 mSDtfsCounter, 3794 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5567 GetRequests, 5352 SyntacticMatches, 89 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14328 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 643 NumberOfCodeBlocks, 643 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 2/2 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: 516]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L409] int waterLevel = 1; [L410] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L812] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L594] int retValue_acc ; [L595] int tmp ; [L599] FCALL select_helpers() [L600] FCALL select_features() [L601] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L601] RET, EXPR valid_product() [L601] tmp = valid_product() [L603] COND TRUE \read(tmp) [L605] FCALL setup() [L606] CALL runTest() [L588] CALL test() [L94] int splverifierCounter ; [L95] int tmp ; [L96] int tmp___0 ; [L97] int tmp___1 ; [L98] int tmp___2 ; [L101] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L103] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L105] COND TRUE splverifierCounter < 4 [L111] tmp = __VERIFIER_nondet_int() [L113] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L115] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L427] COND TRUE waterLevel < 2 [L428] waterLevel = waterLevel + 1 [L115] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L121] tmp___0 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L125] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND FALSE !(\read(methaneLevelCritical)) [L442] methaneLevelCritical = 1 [L125] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L131] tmp___2 = __VERIFIER_nondet_int() [L133] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=-1, waterLevel=2] [L148] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L177] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L184] COND TRUE \read(systemActive) [L186] CALL processEnvironment() [L258] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L261] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L276] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L232] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L235] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L250] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L206] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L209] COND TRUE ! pumpRunning [L211] CALL, EXPR isHighWaterLevel() [L355] int retValue_acc ; [L356] int tmp ; [L357] int tmp___0 ; [L361] CALL, EXPR isHighWaterSensorDry() [L489] int retValue_acc ; [L492] COND FALSE !(waterLevel < 2) [L496] retValue_acc = 0 [L497] return (retValue_acc); [L361] RET, EXPR isHighWaterSensorDry() [L361] tmp = isHighWaterSensorDry() [L363] COND FALSE !(\read(tmp)) [L366] tmp___0 = 1 [L368] retValue_acc = tmp___0 [L369] return (retValue_acc); [L211] RET, EXPR isHighWaterLevel() [L211] tmp = isHighWaterLevel() [L213] COND TRUE \read(tmp) [L215] CALL activatePump() [L286] pumpRunning = 1 [L215] RET activatePump() [L250] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L276] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L186] RET processEnvironment() [L192] CALL __utac_acc__Specification1_spec__1() [L618] int tmp ; [L619] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L623] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L448] int retValue_acc ; [L451] retValue_acc = methaneLevelCritical [L452] return (retValue_acc); [L623] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L623] tmp = isMethaneLevelCritical() [L625] COND TRUE \read(tmp) [L627] CALL, EXPR isPumpRunning() [L310] int retValue_acc ; [L313] retValue_acc = pumpRunning [L314] return (retValue_acc); [L627] RET, EXPR isPumpRunning() [L627] tmp___0 = isPumpRunning() [L629] COND TRUE \read(tmp___0) [L631] CALL __automaton_fail() [L516] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.71ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 84.5MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.33ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 81.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.29ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.14ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 58.3MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 9628.54ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 58.3MB in the beginning and 81.9MB in the end (delta: -23.7MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 162.79ms. Allocated memory is still 174.1MB. Free memory was 81.9MB in the beginning and 76.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:23:04,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02efc08f-b21f-4869-b50e-7d250f8deda8/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