./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB --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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:47:57,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:57,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:58,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:58,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:58,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:58,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:58,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:58,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:58,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:58,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:58,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:58,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:58,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:58,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:58,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:58,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:58,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:58,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:58,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:58,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:58,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:58,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:58,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:58,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:58,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:58,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:58,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:58,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:58,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:58,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:58,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:58,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:58,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:58,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:58,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:58,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:58,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:58,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:58,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:58,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:58,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:58,181 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:58,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:58,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:58,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:58,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:58,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:58,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:58,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:58,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:58,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:58,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:58,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:58,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:58,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:58,188 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:58,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:58,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:58,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:58,189 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:58,189 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:58,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:58,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:58,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:58,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:58,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:58,191 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:58,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:58,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:58,193 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_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2022-10-17 16:47:58,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:58,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:58,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:58,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:58,481 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:58,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-10-17 16:47:58,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/data/84bab3637/4a50b990ceb14f9fa39692c1ac9b3d1a/FLAG4e5991063 [2022-10-17 16:47:59,073 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:59,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-10-17 16:47:59,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/data/84bab3637/4a50b990ceb14f9fa39692c1ac9b3d1a/FLAG4e5991063 [2022-10-17 16:47:59,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/data/84bab3637/4a50b990ceb14f9fa39692c1ac9b3d1a [2022-10-17 16:47:59,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:59,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:59,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:59,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:59,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:59,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:47:59,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1bd601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59, skipping insertion in model container [2022-10-17 16:47:59,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:47:59,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:59,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:59,780 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_011fdb0d-333f-4b19-8d56-6efb7bde0420/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2022-10-17 16:47:59,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:59,792 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:59,890 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_011fdb0d-333f-4b19-8d56-6efb7bde0420/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2022-10-17 16:47:59,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:59,922 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:59,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59 WrapperNode [2022-10-17 16:47:59,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:59,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:59,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:59,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:59,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:47:59,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:47:59,998 INFO L138 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 224 [2022-10-17 16:48:00,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:00,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:00,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:00,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:00,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:00,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:00,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:00,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:00,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:59" (1/1) ... [2022-10-17 16:48:00,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:00,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:00,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:00,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:48:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:48:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:48:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:48:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:48:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:48:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:48:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:48:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:48:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:48:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:48:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:48:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:00,262 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:00,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:00,736 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:00,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:00,899 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:48:00,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:00 BoogieIcfgContainer [2022-10-17 16:48:00,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:00,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:00,904 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:00,917 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:00,917 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-10-17 16:48:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-10-17 16:48:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:00,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2022-10-17 16:48:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-10-17 16:48:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:01,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:01,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:48:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:48:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:01,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:01,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2022-10-17 16:48:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-10-17 16:48:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:01,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:01,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2022-10-17 16:48:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2022-10-17 16:48:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:02,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 79 states and 120 transitions. [2022-10-17 16:48:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2022-10-17 16:48:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:02,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2022-10-17 16:48:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2022-10-17 16:48:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:02,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2022-10-17 16:48:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2022-10-17 16:48:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:48:03,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 100 states and 169 transitions. [2022-10-17 16:48:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 169 transitions. [2022-10-17 16:48:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:48:03,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2022-10-17 16:48:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2022-10-17 16:48:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:48:03,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2022-10-17 16:48:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2022-10-17 16:48:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:48:03,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 190 transitions. [2022-10-17 16:48:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 190 transitions. [2022-10-17 16:48:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:48:04,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 205 transitions. [2022-10-17 16:48:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 205 transitions. [2022-10-17 16:48:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:48:04,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 206 transitions. [2022-10-17 16:48:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2022-10-17 16:48:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:48:04,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 208 transitions. [2022-10-17 16:48:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2022-10-17 16:48:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:48:04,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 212 transitions. [2022-10-17 16:48:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 212 transitions. [2022-10-17 16:48:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:48:04,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 126 states and 216 transitions. [2022-10-17 16:48:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2022-10-17 16:48:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:48:04,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 217 transitions. [2022-10-17 16:48:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2022-10-17 16:48:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:48:05,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:48:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 134 states and 236 transitions. [2022-10-17 16:48:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2022-10-17 16:48:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:48:05,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:48:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 235 transitions. [2022-10-17 16:48:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 235 transitions. [2022-10-17 16:48:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:48:05,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 145 states and 257 transitions. [2022-10-17 16:48:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 257 transitions. [2022-10-17 16:48:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:48:07,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:07,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 146 states and 258 transitions. [2022-10-17 16:48:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 258 transitions. [2022-10-17 16:48:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:48:08,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:08,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 42 states and 50 transitions. [2022-10-17 16:48:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-10-17 16:48:09,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:48:09,281 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2022-10-17 16:48:09,289 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:48:09,567 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,572 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-10-17 16:48:09,578 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,578 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 16:48:09,582 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,582 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-10-17 16:48:09,585 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,585 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:48:09,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,587 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:09,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:48:09 ImpRootNode [2022-10-17 16:48:09,588 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:48:09,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:48:09,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:48:09,589 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:48:09,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:00" (3/4) ... [2022-10-17 16:48:09,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:48:09,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:48:09,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:48:09,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:48:09,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:48:09,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:48:09,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:48:09,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-10-17 16:48:09,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:48:09,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 16:48:09,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:48:09,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:48:09,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:48:09,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:48:09,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2022-10-17 16:48:09,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(methAndRunningLastTime == 0) [2022-10-17 16:48:09,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || ((tmp <= methaneLevelCritical || tmp <= 0) && (methaneLevelCritical <= tmp || 0 < tmp + 1))) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2022-10-17 16:48:09,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:48:09,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:48:09,720 INFO L158 Benchmark]: Toolchain (without parser) took 10316.30ms. Allocated memory was 92.3MB in the beginning and 169.9MB in the end (delta: 77.6MB). Free memory was 69.4MB in the beginning and 78.4MB in the end (delta: -9.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,721 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:09,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.48ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 58.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.57ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 55.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,722 INFO L158 Benchmark]: Boogie Preprocessor took 58.30ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,723 INFO L158 Benchmark]: RCFGBuilder took 841.63ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 83.4MB in the end (delta: -29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,723 INFO L158 Benchmark]: CodeCheck took 8684.49ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 82.8MB in the beginning and 83.6MB in the end (delta: -776.9kB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,729 INFO L158 Benchmark]: Witness Printer took 131.07ms. Allocated memory is still 169.9MB. Free memory was 83.6MB in the beginning and 78.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:48:09,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4723 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2086 mSDsluCounter, 5297 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3831 mSDsCounter, 1638 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4932 IncrementalHoareTripleChecker+Invalid, 6570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1638 mSolverCounterUnsat, 1792 mSDtfsCounter, 4932 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6987 GetRequests, 6813 SyntacticMatches, 42 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11061 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 1671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 202/210 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: 927]: 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: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || ((tmp <= methaneLevelCritical || tmp <= 0) && (methaneLevelCritical <= tmp || 0 < tmp + 1))) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical <= 0) && tmp == 1) && 0 <= methaneLevelCritical - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.48ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 58.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.57ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 55.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.30ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 53.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 841.63ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 83.4MB in the end (delta: -29.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * CodeCheck took 8684.49ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 82.8MB in the beginning and 83.6MB in the end (delta: -776.9kB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Witness Printer took 131.07ms. Allocated memory is still 169.9MB. Free memory was 83.6MB in the beginning and 78.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:48:09,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011fdb0d-333f-4b19-8d56-6efb7bde0420/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE