./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:02,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:02,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:02,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:02,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:02,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:02,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:02,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:02,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:02,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:02,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:02,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:02,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:02,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:02,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:02,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:02,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:02,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:02,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:02,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:02,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:02,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:02,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:02,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:02,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:02,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:02,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:02,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:02,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:02,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:02,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:02,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:02,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:02,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:02,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:02,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:02,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:02,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:02,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:02,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:02,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:02,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:02,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:02,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:02,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:02,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:02,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:02,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:02,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:02,847 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:02,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:02,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:02,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:02,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:02,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:02,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:02,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:02,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:02,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:02,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:02,851 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:02,851 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:02,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:02,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:02,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:02,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:02,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:02,853 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:02,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:02,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:02,854 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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2021-11-23 00:59:03,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:03,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:03,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:03,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:03,166 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:03,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-11-23 00:59:03,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/data/db67cf7f6/8be8ad7c82464e9f946d559456a754d7/FLAG12705eea9 [2021-11-23 00:59:03,880 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:03,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2021-11-23 00:59:03,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/data/db67cf7f6/8be8ad7c82464e9f946d559456a754d7/FLAG12705eea9 [2021-11-23 00:59:04,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/data/db67cf7f6/8be8ad7c82464e9f946d559456a754d7 [2021-11-23 00:59:04,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:04,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:04,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:04,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:04,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:04,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661f5319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04, skipping insertion in model container [2021-11-23 00:59:04,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:04,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:04,484 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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-11-23 00:59:04,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:04,565 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:04,631 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_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2021-11-23 00:59:04,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:04,680 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:04,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04 WrapperNode [2021-11-23 00:59:04,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:04,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:04,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:04,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:04,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,731 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2021-11-23 00:59:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:04,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:04,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:04,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:04,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:04,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:04" (1/1) ... [2021-11-23 00:59:04,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:04,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:04,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:59:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:59:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:59:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:59:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:59:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:59:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:59:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:59:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:59:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:59:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:59:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:59:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:59:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:59:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:04,910 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:04,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:05,350 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:05,422 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:05,422 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:59:05,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:05 BoogieIcfgContainer [2021-11-23 00:59:05,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:05,426 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:05,426 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:05,437 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:05,438 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:05" (1/1) ... [2021-11-23 00:59:05,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2021-11-23 00:59:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2021-11-23 00:59:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:59:05,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:05,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:05,717 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 00:59:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2021-11-23 00:59:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2021-11-23 00:59:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:05,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:05,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:05,845 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 00:59:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-23 00:59:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-23 00:59:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:59:05,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:05,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,052 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 00:59:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2021-11-23 00:59:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-11-23 00:59:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:59:06,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,266 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 00:59:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 78 states and 121 transitions. [2021-11-23 00:59:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2021-11-23 00:59:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:59:06,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,603 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 00:59:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2021-11-23 00:59:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2021-11-23 00:59:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:59:06,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,658 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 00:59:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2021-11-23 00:59:06,672 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2021-11-23 00:59:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:59:06,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,707 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 00:59:06,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 124 transitions. [2021-11-23 00:59:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2021-11-23 00:59:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:59:06,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,788 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 00:59:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2021-11-23 00:59:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2021-11-23 00:59:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:06,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 87 states and 139 transitions. [2021-11-23 00:59:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2021-11-23 00:59:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:06,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:06,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,060 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 00:59:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 89 states and 144 transitions. [2021-11-23 00:59:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2021-11-23 00:59:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:07,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,269 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 00:59:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 138 transitions. [2021-11-23 00:59:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2021-11-23 00:59:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:59:07,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 147 transitions. [2021-11-23 00:59:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2021-11-23 00:59:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:07,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 93 states and 150 transitions. [2021-11-23 00:59:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 150 transitions. [2021-11-23 00:59:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:07,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 97 states and 157 transitions. [2021-11-23 00:59:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2021-11-23 00:59:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:07,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:59:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 98 states and 158 transitions. [2021-11-23 00:59:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2021-11-23 00:59:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:07,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:07,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 178 transitions. [2021-11-23 00:59:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2021-11-23 00:59:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:08,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 107 states and 181 transitions. [2021-11-23 00:59:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2021-11-23 00:59:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:59:08,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 108 states and 181 transitions. [2021-11-23 00:59:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2021-11-23 00:59:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:59:08,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 109 states and 182 transitions. [2021-11-23 00:59:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2021-11-23 00:59:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:59:08,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 110 states and 185 transitions. [2021-11-23 00:59:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2021-11-23 00:59:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:08,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:09,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 195 transitions. [2021-11-23 00:59:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2021-11-23 00:59:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:09,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:09,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:59:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 60 states and 77 transitions. [2021-11-23 00:59:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-23 00:59:09,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:59:09,314 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2021-11-23 00:59:09,326 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:59:09,478 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,484 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:59:09,489 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:59:09,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,491 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:59:09,492 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:59:09,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,495 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,495 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:59:09,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:59:09 ImpRootNode [2021-11-23 00:59:09,498 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:59:09,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:59:09,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:59:09,498 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:59:09,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:05" (3/4) ... [2021-11-23 00:59:09,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:59:09,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:59:09,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:59:09,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:59:09,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:59:09,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:59:09,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:59:09,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:59:09,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2021-11-23 00:59:09,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 00:59:09,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:59:09,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:59:09,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:59:09,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:59:09,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:59:09,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-23 00:59:09,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-23 00:59:09,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:59:09,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:59:09,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:59:09,644 INFO L158 Benchmark]: Toolchain (without parser) took 5469.25ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 58.7MB in the beginning and 58.3MB in the end (delta: 425.7kB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,645 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:59:09,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.35ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 60.6MB in the end (delta: -2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.22ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,649 INFO L158 Benchmark]: Boogie Preprocessor took 29.07ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,649 INFO L158 Benchmark]: RCFGBuilder took 662.61ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 94.1MB in the end (delta: -37.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,650 INFO L158 Benchmark]: CodeCheck took 4071.73ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.1MB in the beginning and 64.6MB in the end (delta: 29.5MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,650 INFO L158 Benchmark]: Witness Printer took 145.57ms. Allocated memory is still 148.9MB. Free memory was 64.6MB in the beginning and 58.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:59:09,655 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 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 23, 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, 4075 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1539 mSDsluCounter, 4184 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2798 mSDsCounter, 959 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3439 IncrementalHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 959 mSolverCounterUnsat, 1604 mSDtfsCounter, 3439 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5607 GetRequests, 5518 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 571 ConstructedInterpolants, 0 QuantifiedInterpolants, 1396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 95/116 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 - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.35ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 60.6MB in the end (delta: -2.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.22ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 58.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.07ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.61ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 94.1MB in the end (delta: -37.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 4071.73ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 94.1MB in the beginning and 64.6MB in the end (delta: 29.5MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Witness Printer took 145.57ms. Allocated memory is still 148.9MB. Free memory was 64.6MB in the beginning and 58.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:59:09,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6d411b-1111-4cd3-bbfb-41f9ff3ca1fb/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 Result: TRUE