./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f --- 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 16:35:59,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:59,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:59,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:59,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:59,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:59,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:59,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:59,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:59,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:59,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:59,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:59,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:59,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:59,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:59,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:59,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:59,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:59,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:59,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:59,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:59,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:59,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:59,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:59,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:59,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:59,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:59,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:59,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:59,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:59,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:59,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:59,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:59,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:59,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:59,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:59,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:59,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:59,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:59,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:59,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:59,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:35:59,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:59,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:59,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:59,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:59,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:59,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:59,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:59,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:59,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:59,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:59,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:59,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:59,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:59,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:59,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:59,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:59,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:59,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:59,231 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:59,231 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:59,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:59,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:59,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:59,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:59,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:59,233 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:59,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:59,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:59,233 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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2022-10-17 16:35:59,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:59,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:59,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:59,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:59,536 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:59,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2022-10-17 16:35:59,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/data/aea030020/713be47742db40b79df262622aa57286/FLAGd801fd9af [2022-10-17 16:36:00,135 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:00,136 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2022-10-17 16:36:00,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/data/aea030020/713be47742db40b79df262622aa57286/FLAGd801fd9af [2022-10-17 16:36:00,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/data/aea030020/713be47742db40b79df262622aa57286 [2022-10-17 16:36:00,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:00,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:00,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:00,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:00,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:00,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d954a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00, skipping insertion in model container [2022-10-17 16:36:00,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:00,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:00,729 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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2022-10-17 16:36:00,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:00,797 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:00,830 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_22bf4491-495c-479a-8e68-c1a5fc3cc39c/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2022-10-17 16:36:00,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:00,893 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:00,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00 WrapperNode [2022-10-17 16:36:00,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:00,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:00,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:00,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:00,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,973 INFO L138 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 221 [2022-10-17 16:36:00,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:00,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:00,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:00,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:00,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:01,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:01,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:01,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:01,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:01,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:01,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:36:01,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:36:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:36:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:36:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:36:01,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:36:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:36:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:01,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:01,200 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:01,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:01,580 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:01,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:01,756 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:36:01,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:01 BoogieIcfgContainer [2022-10-17 16:36:01,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:01,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:01,764 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:01,776 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:01,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:01" (1/1) ... [2022-10-17 16:36:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-10-17 16:36:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-10-17 16:36:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:01,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:01,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,137 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 16:36:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2022-10-17 16:36:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-10-17 16:36:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:36:02,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,329 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 16:36:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:36:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:36:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:36:02,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,605 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 16:36:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2022-10-17 16:36:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-10-17 16:36:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:02,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:02,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,902 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 16:36:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-10-17 16:36:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-10-17 16:36:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:03,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:03,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:03,224 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 16:36:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2022-10-17 16:36:03,242 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-10-17 16:36:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:36:03,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:03,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:03,389 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 16:36:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2022-10-17 16:36:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2022-10-17 16:36:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:04,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,118 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 16:36:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2022-10-17 16:36:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2022-10-17 16:36:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:36:04,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,202 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 16:36:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2022-10-17 16:36:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2022-10-17 16:36:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:36:04,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,327 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 16:36:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2022-10-17 16:36:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2022-10-17 16:36:04,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:36:04,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,439 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 16:36:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 138 transitions. [2022-10-17 16:36:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2022-10-17 16:36:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:36:04,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,535 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 16:36:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 110 states and 177 transitions. [2022-10-17 16:36:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2022-10-17 16:36:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:36:05,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,609 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 16:36:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2022-10-17 16:36:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2022-10-17 16:36:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:36:05,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,760 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 16:36:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2022-10-17 16:36:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2022-10-17 16:36:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:36:05,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,993 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 16:36:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 117 states and 190 transitions. [2022-10-17 16:36:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 190 transitions. [2022-10-17 16:36:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:36:06,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 201 transitions. [2022-10-17 16:36:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2022-10-17 16:36:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:36:07,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2022-10-17 16:36:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2022-10-17 16:36:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:36:07,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,549 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 16:36:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 130 states and 225 transitions. [2022-10-17 16:36:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2022-10-17 16:36:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:36:08,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:08,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 132 states and 231 transitions. [2022-10-17 16:36:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 231 transitions. [2022-10-17 16:36:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:36:08,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 249 transitions. [2022-10-17 16:36:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2022-10-17 16:36:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:36:09,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,164 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 16:36:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 147 states and 268 transitions. [2022-10-17 16:36:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 268 transitions. [2022-10-17 16:36:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:36:10,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:36:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 275 transitions. [2022-10-17 16:36:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2022-10-17 16:36:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:36:10,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,916 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 16:36:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 273 transitions. [2022-10-17 16:36:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2022-10-17 16:36:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:36:11,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 151 states and 274 transitions. [2022-10-17 16:36:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 274 transitions. [2022-10-17 16:36:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:36:11,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:36:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 279 transitions. [2022-10-17 16:36:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 279 transitions. [2022-10-17 16:36:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:36:12,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:36:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 155 states and 280 transitions. [2022-10-17 16:36:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 280 transitions. [2022-10-17 16:36:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:36:12,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:36:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 56 states and 66 transitions. [2022-10-17 16:36:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-10-17 16:36:12,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:36:12,273 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-10-17 16:36:12,282 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:36:12,609 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-10-17 16:36:12,618 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,618 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:36:12,622 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,622 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:36:12,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,632 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,633 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,633 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,633 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:36:12,634 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:36:12,634 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:36:12,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:12 ImpRootNode [2022-10-17 16:36:12,639 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:12,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:12,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:12,640 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:12,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:01" (3/4) ... [2022-10-17 16:36:12,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:36:12,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:36:12,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:36:12,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:36:12,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:36:12,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:36:12,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:36:12,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2022-10-17 16:36:12,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 16:36:12,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:36:12,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:36:12,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:36:12,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:36:12,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:36:12,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive [2022-10-17 16:36:12,714 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) [2022-10-17 16:36:12,715 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || methAndRunningLastTime == 0) || !(pumpRunning == \old(pumpRunning))) || methaneLevelCritical == 0 [2022-10-17 16:36:12,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:12,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:12,778 INFO L158 Benchmark]: Toolchain (without parser) took 12323.03ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 76.5MB in the beginning and 119.5MB in the end (delta: -43.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,778 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:12,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.27ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 76.9MB in the end (delta: -605.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.92ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,780 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 73.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,780 INFO L158 Benchmark]: RCFGBuilder took 747.90ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 72.7MB in the beginning and 109.2MB in the end (delta: -36.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,781 INFO L158 Benchmark]: CodeCheck took 10875.44ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 109.2MB in the beginning and 124.7MB in the end (delta: -15.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,781 INFO L158 Benchmark]: Witness Printer took 137.36ms. Allocated memory is still 197.1MB. Free memory was 123.7MB in the beginning and 119.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:36:12,784 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: 10.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6036 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2843 mSDsluCounter, 6113 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4616 mSDsCounter, 2282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8074 IncrementalHoareTripleChecker+Invalid, 10356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2282 mSolverCounterUnsat, 2211 mSDtfsCounter, 8074 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9696 GetRequests, 9512 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14113 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1015 NumberOfCodeBlocks, 1015 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 989 ConstructedInterpolants, 0 QuantifiedInterpolants, 1881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 305/315 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: 412]: 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: 792]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || methAndRunningLastTime == 0) || !(pumpRunning == \old(pumpRunning))) || methaneLevelCritical == 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0)) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.27ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 76.9MB in the end (delta: -605.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.92ms. Allocated memory is still 113.2MB. Free memory was 76.9MB in the beginning and 74.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.15ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 73.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.90ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 72.7MB in the beginning and 109.2MB in the end (delta: -36.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * CodeCheck took 10875.44ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 109.2MB in the beginning and 124.7MB in the end (delta: -15.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Witness Printer took 137.36ms. Allocated memory is still 197.1MB. Free memory was 123.7MB in the beginning and 119.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:36:12,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22bf4491-495c-479a-8e68-c1a5fc3cc39c/bin/ukojak-92XMlrwhuB/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