./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- 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 17:00:50,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:50,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:50,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:50,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:50,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:50,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:50,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:50,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:50,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:50,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:50,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:50,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:50,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:50,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:50,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:50,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:50,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:50,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:50,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:50,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:50,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:50,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:50,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:50,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:50,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:50,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:50,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:50,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:50,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:50,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:50,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:50,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:50,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:50,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:50,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:50,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:50,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:50,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:50,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:50,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:50,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:50,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:50,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:50,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:50,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:50,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:50,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:50,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:50,287 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:50,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:50,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:50,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:50,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:50,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:50,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:50,289 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:50,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:50,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:50,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:50,290 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:50,290 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:50,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:50,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:50,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:50,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:50,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:50,306 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:50,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:50,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:50,307 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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2022-10-17 17:00:50,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:50,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:50,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:50,593 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:50,595 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:50,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-10-17 17:00:50,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/data/b79a4d177/7a46b205f5ce4b1a908d5c1c2cbb928f/FLAG24b392baf [2022-10-17 17:00:51,180 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:51,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-10-17 17:00:51,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/data/b79a4d177/7a46b205f5ce4b1a908d5c1c2cbb928f/FLAG24b392baf [2022-10-17 17:00:51,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/data/b79a4d177/7a46b205f5ce4b1a908d5c1c2cbb928f [2022-10-17 17:00:51,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:51,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:51,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:51,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:51,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:51,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:51" (1/1) ... [2022-10-17 17:00:51,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7815a243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:51, skipping insertion in model container [2022-10-17 17:00:51,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:51" (1/1) ... [2022-10-17 17:00:51,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:51,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:51,857 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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-10-17 17:00:51,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:51,904 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:52,014 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_88d46c99-3a54-4eac-bf71-7d7d8f6db506/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-10-17 17:00:52,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:52,046 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:52,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52 WrapperNode [2022-10-17 17:00:52,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:52,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:52,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:52,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:52,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,117 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 225 [2022-10-17 17:00:52,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:52,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:52,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:52,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:52,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,156 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:52,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:52,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:52,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:52,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:52" (1/1) ... [2022-10-17 17:00:52,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:52,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:52,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:00:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:00:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 17:00:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 17:00:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:00:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:00:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:00:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:00:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:00:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:00:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:00:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:00:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 17:00:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 17:00:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:00:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:00:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:00:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:00:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:52,387 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:52,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:52,828 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:53,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:53,014 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:53,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:53 BoogieIcfgContainer [2022-10-17 17:00:53,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:53,018 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:53,018 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:53,029 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:53,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2022-10-17 17:00:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-10-17 17:00:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:00:53,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,310 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 17:00:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2022-10-17 17:00:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-10-17 17:00:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:00:53,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,502 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 17:00:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2022-10-17 17:00:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-10-17 17:00:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:53,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,794 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 17:00:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2022-10-17 17:00:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2022-10-17 17:00:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:53,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,215 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 17:00:54,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2022-10-17 17:00:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2022-10-17 17:00:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:54,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2022-10-17 17:00:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2022-10-17 17:00:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:00:54,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,054 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 17:00:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2022-10-17 17:00:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2022-10-17 17:00:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:00:55,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,148 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 17:00:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2022-10-17 17:00:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2022-10-17 17:00:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:55,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2022-10-17 17:00:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2022-10-17 17:00:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:00:55,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,009 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 17:00:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 201 transitions. [2022-10-17 17:00:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2022-10-17 17:00:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:56,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,884 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 17:00:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 127 states and 206 transitions. [2022-10-17 17:00:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2022-10-17 17:00:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:57,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,184 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 17:00:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 125 states and 200 transitions. [2022-10-17 17:00:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 200 transitions. [2022-10-17 17:00:57,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:00:57,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 201 transitions. [2022-10-17 17:00:57,308 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2022-10-17 17:00:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:00:57,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,358 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 17:00:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 211 transitions. [2022-10-17 17:00:57,477 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2022-10-17 17:00:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:00:57,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,529 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 17:00:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 132 states and 212 transitions. [2022-10-17 17:00:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 212 transitions. [2022-10-17 17:00:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:00:57,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,955 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 17:00:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 135 states and 218 transitions. [2022-10-17 17:00:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2022-10-17 17:00:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:00:58,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,729 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 17:00:58,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 225 transitions. [2022-10-17 17:00:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2022-10-17 17:00:58,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:00:58,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 147 states and 240 transitions. [2022-10-17 17:00:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 240 transitions. [2022-10-17 17:00:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:00:59,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:01:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 260 transitions. [2022-10-17 17:01:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2022-10-17 17:01:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:01:01,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:01,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 161 states and 275 transitions. [2022-10-17 17:01:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 275 transitions. [2022-10-17 17:01:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:01:02,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:01:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 174 states and 298 transitions. [2022-10-17 17:01:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 298 transitions. [2022-10-17 17:01:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:01:03,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:01:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 175 states and 299 transitions. [2022-10-17 17:01:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 299 transitions. [2022-10-17 17:01:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 17:01:03,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:01:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 178 states and 304 transitions. [2022-10-17 17:01:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 304 transitions. [2022-10-17 17:01:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:01:03,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-17 17:01:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 179 states and 305 transitions. [2022-10-17 17:01:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 305 transitions. [2022-10-17 17:01:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 17:01:04,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:01:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 70 states and 85 transitions. [2022-10-17 17:01:04,222 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2022-10-17 17:01:04,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:01:04,222 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2022-10-17 17:01:04,231 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:01:04,474 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 17:01:04,482 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,482 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,482 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,482 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:01:04,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,483 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,483 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 17:01:04,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,485 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 17:01:04,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,488 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:04,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:04 ImpRootNode [2022-10-17 17:01:04,489 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:04,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:04,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:04,494 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:04,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:53" (3/4) ... [2022-10-17 17:01:04,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:01:04,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 17:01:04,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 17:01:04,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 17:01:04,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 17:01:04,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 17:01:04,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 17:01:04,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 17:01:04,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:01:04,514 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 17:01:04,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2022-10-17 17:01:04,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 17:01:04,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:01:04,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 17:01:04,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:01:04,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:01:04,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:01:04,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2022-10-17 17:01:04,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 17:01:04,635 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:04,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:04,636 INFO L158 Benchmark]: Toolchain (without parser) took 13128.83ms. Allocated memory was 100.7MB in the beginning and 192.9MB in the end (delta: 92.3MB). Free memory was 78.5MB in the beginning and 97.6MB in the end (delta: -19.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,637 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:04,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.96ms. Allocated memory is still 100.7MB. Free memory was 78.5MB in the beginning and 65.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.75ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 63.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,638 INFO L158 Benchmark]: Boogie Preprocessor took 58.19ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 61.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,638 INFO L158 Benchmark]: RCFGBuilder took 839.75ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 61.8MB in the beginning and 104.1MB in the end (delta: -42.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,639 INFO L158 Benchmark]: CodeCheck took 11474.87ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,639 INFO L158 Benchmark]: Witness Printer took 142.05ms. Allocated memory is still 192.9MB. Free memory was 102.8MB in the beginning and 97.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:01:04,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6213 SdHoareTripleChecker+Valid, 13.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2440 mSDsluCounter, 6183 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4127 mSDsCounter, 2389 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7861 IncrementalHoareTripleChecker+Invalid, 10250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2389 mSolverCounterUnsat, 2380 mSDtfsCounter, 7861 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9848 GetRequests, 9669 SyntacticMatches, 3 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12120 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1047 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 1935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 296/306 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: 653]: 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: 666]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.96ms. Allocated memory is still 100.7MB. Free memory was 78.5MB in the beginning and 65.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.75ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 63.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.19ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 61.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.75ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 61.8MB in the beginning and 104.1MB in the end (delta: -42.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * CodeCheck took 11474.87ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.2MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Witness Printer took 142.05ms. Allocated memory is still 192.9MB. Free memory was 102.8MB in the beginning and 97.6MB 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 17:01:04,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88d46c99-3a54-4eac-bf71-7d7d8f6db506/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