./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.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_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/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_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/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_26a13661-b694-408c-aa5e-f17ff12c4ea5/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 a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- 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 16:29:19,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:19,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:20,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:20,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:20,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:20,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:20,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:20,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:20,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:20,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:20,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:20,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:20,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:20,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:20,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:20,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:20,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:20,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:20,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:20,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:20,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:20,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:20,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:20,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:20,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:20,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:20,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:20,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:20,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:20,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:20,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:20,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:20,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:20,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:20,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:20,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:20,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:20,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:20,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:20,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:20,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:20,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:20,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:20,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:20,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:20,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:20,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:20,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:20,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:20,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:20,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:20,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:20,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:20,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:20,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:20,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:20,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:20,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:20,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:20,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:20,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:20,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:20,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:20,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:20,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:20,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:20,157 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:20,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:20,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:20,159 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_26a13661-b694-408c-aa5e-f17ff12c4ea5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2022-10-17 16:29:20,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:20,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:20,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:20,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:20,449 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:20,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-10-17 16:29:20,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/data/93a70683e/e4a6c7ccb1d74e1c939bfac81ce32351/FLAG30704789b [2022-10-17 16:29:21,120 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:21,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-10-17 16:29:21,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/data/93a70683e/e4a6c7ccb1d74e1c939bfac81ce32351/FLAG30704789b [2022-10-17 16:29:21,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/data/93a70683e/e4a6c7ccb1d74e1c939bfac81ce32351 [2022-10-17 16:29:21,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:21,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:21,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:21,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:21,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:21,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:21" (1/1) ... [2022-10-17 16:29:21,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddadfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:21, skipping insertion in model container [2022-10-17 16:29:21,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:21" (1/1) ... [2022-10-17 16:29:21,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:21,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:21,841 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_26a13661-b694-408c-aa5e-f17ff12c4ea5/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2022-10-17 16:29:21,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:21,934 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:21,965 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_26a13661-b694-408c-aa5e-f17ff12c4ea5/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2022-10-17 16:29:22,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:22,042 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:22,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22 WrapperNode [2022-10-17 16:29:22,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:22,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:22,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:22,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,131 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 230 [2022-10-17 16:29:22,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:22,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:22,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:22,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:22,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:22,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:22,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:29:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:29:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:29:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:29:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:29:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:29:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:29:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:29:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:29:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:29:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:29:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:29:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:29:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:29:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:29:22,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:29:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:22,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:22,367 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:22,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:22,840 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:23,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:23,024 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:29:23,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23 BoogieIcfgContainer [2022-10-17 16:29:23,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:23,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:23,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:23,040 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:23,040 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23" (1/1) ... [2022-10-17 16:29:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 66 states and 86 transitions. [2022-10-17 16:29:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-10-17 16:29:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:23,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,483 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 16:29:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2022-10-17 16:29:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-10-17 16:29:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:29:23,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,695 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 16:29:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2022-10-17 16:29:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-10-17 16:29:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:29:23,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,806 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 16:29:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2022-10-17 16:29:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-10-17 16:29:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:23,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,078 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 16:29:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2022-10-17 16:29:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-10-17 16:29:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:29:24,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,157 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 16:29:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2022-10-17 16:29:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2022-10-17 16:29:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:29:24,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,272 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 16:29:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2022-10-17 16:29:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2022-10-17 16:29:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:29:24,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,644 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 16:29:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 98 states and 145 transitions. [2022-10-17 16:29:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2022-10-17 16:29:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:29:24,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,775 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 16:29:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 108 states and 168 transitions. [2022-10-17 16:29:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 168 transitions. [2022-10-17 16:29:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:29:25,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,265 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 16:29:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2022-10-17 16:29:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2022-10-17 16:29:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:29:25,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,406 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 16:29:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2022-10-17 16:29:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2022-10-17 16:29:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:29:25,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,539 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 16:29:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2022-10-17 16:29:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2022-10-17 16:29:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:29:25,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,653 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 16:29:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 180 transitions. [2022-10-17 16:29:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2022-10-17 16:29:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:25,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,805 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 16:29:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 117 states and 181 transitions. [2022-10-17 16:29:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 181 transitions. [2022-10-17 16:29:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:29:25,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,887 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 16:29:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2022-10-17 16:29:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2022-10-17 16:29:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:29:25,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:29:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 120 states and 190 transitions. [2022-10-17 16:29:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2022-10-17 16:29:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:29:26,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2022-10-17 16:29:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2022-10-17 16:29:27,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:29:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:27,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:27,883 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 16:29:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 244 transitions. [2022-10-17 16:29:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 244 transitions. [2022-10-17 16:29:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:29:28,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:29:29,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 254 transitions. [2022-10-17 16:29:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2022-10-17 16:29:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:29:29,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 149 states and 276 transitions. [2022-10-17 16:29:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2022-10-17 16:29:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:29:30,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:29:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 150 states and 277 transitions. [2022-10-17 16:29:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 277 transitions. [2022-10-17 16:29:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:29:31,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,284 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 16:29:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 287 transitions. [2022-10-17 16:29:31,362 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2022-10-17 16:29:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:29:31,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:29:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 275 transitions. [2022-10-17 16:29:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2022-10-17 16:29:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:29:31,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:29:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 63 states and 78 transitions. [2022-10-17 16:29:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2022-10-17 16:29:31,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:29:31,923 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2022-10-17 16:29:31,933 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:29:32,276 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:29:32,284 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,285 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,285 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:29:32,286 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,287 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,287 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 16:29:32,287 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:29:32,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:29:32,291 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-10-17 16:29:32,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:29:32 ImpRootNode [2022-10-17 16:29:32,292 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:29:32,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:29:32,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:29:32,293 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:29:32,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23" (3/4) ... [2022-10-17 16:29:32,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:29:32,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 16:29:32,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:29:32,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:29:32,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:29:32,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:29:32,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:29:32,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:29:32,302 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:29:32,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:29:32,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2022-10-17 16:29:32,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:29:32,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:29:32,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:29:32,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:29:32,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:29:32,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:29:32,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive)) || !(methAndRunningLastTime == 0) [2022-10-17 16:29:32,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 16:29:32,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:29:32,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:29:32,431 INFO L158 Benchmark]: Toolchain (without parser) took 11016.54ms. Allocated memory was 90.2MB in the beginning and 176.2MB in the end (delta: 86.0MB). Free memory was 51.1MB in the beginning and 141.6MB in the end (delta: -90.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:32,431 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:32,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.84ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 81.6MB in the end (delta: -30.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.48ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,433 INFO L158 Benchmark]: Boogie Preprocessor took 65.60ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,433 INFO L158 Benchmark]: RCFGBuilder took 827.94ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 47.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,434 INFO L158 Benchmark]: CodeCheck took 9263.31ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 47.3MB in the beginning and 146.8MB in the end (delta: -99.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,434 INFO L158 Benchmark]: Witness Printer took 137.65ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 141.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:32,437 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5302 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1958 mSDsluCounter, 5016 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3270 mSDsCounter, 1105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4868 IncrementalHoareTripleChecker+Invalid, 5973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1105 mSolverCounterUnsat, 2268 mSDtfsCounter, 4868 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8694 GetRequests, 8549 SyntacticMatches, 13 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7673 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 997 NumberOfCodeBlocks, 997 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 1891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 234/250 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: 327]: 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: 419]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive)) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (methAndRunningLastTime == 0 || 1 <= methaneLevelCritical) || methaneLevelCritical + 1 <= 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((tmp <= 0 || tmp <= methaneLevelCritical) && (methaneLevelCritical <= tmp || 0 < tmp + 1)) || !(methAndRunningLastTime == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.84ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 81.6MB in the end (delta: -30.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.48ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.60ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 827.94ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 47.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 9263.31ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 47.3MB in the beginning and 146.8MB in the end (delta: -99.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 137.65ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 141.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:29:32,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26a13661-b694-408c-aa5e-f17ff12c4ea5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE