./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/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_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/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_97439a1e-8514-4475-90af-353315c6f509/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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 --- 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 16:31:29,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:29,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:29,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:30,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:30,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:30,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:30,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:30,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:30,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:30,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:30,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:30,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:30,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:30,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:30,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:30,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:30,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:30,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:30,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:30,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:30,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:30,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:30,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:30,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:30,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:30,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:30,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:30,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:30,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:30,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:30,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:30,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:30,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:30,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:30,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:30,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:30,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:30,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:30,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:30,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:30,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:30,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:30,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:30,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:30,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:30,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:30,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:30,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:30,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:30,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:30,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:30,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:30,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:30,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:30,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:30,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:30,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:30,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:30,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:30,117 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:30,117 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:30,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:30,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:30,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:30,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:30,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:30,119 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:30,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:30,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:30,120 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_97439a1e-8514-4475-90af-353315c6f509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2022-10-17 16:31:30,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:30,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:30,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:30,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:30,388 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:30,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-10-17 16:31:30,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/data/6bff1775f/a260211f6acd40b685d211ed3d1e85b9/FLAG2edd793f0 [2022-10-17 16:31:31,051 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:31,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-10-17 16:31:31,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/data/6bff1775f/a260211f6acd40b685d211ed3d1e85b9/FLAG2edd793f0 [2022-10-17 16:31:31,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/data/6bff1775f/a260211f6acd40b685d211ed3d1e85b9 [2022-10-17 16:31:31,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:31,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:31,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:31,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:31,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:31,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:31" (1/1) ... [2022-10-17 16:31:31,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8b7887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:31, skipping insertion in model container [2022-10-17 16:31:31,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:31" (1/1) ... [2022-10-17 16:31:31,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:31,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:31,810 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_97439a1e-8514-4475-90af-353315c6f509/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2022-10-17 16:31:31,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:31,849 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:31,956 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_97439a1e-8514-4475-90af-353315c6f509/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2022-10-17 16:31:31,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:32,011 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:32,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32 WrapperNode [2022-10-17 16:31:32,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:32,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:32,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:32,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:32,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,102 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 219 [2022-10-17 16:31:32,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:32,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:32,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:32,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:32,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:32,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:32,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:32,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:32,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:32,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:32,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:31:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:31:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:31:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:31:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:31:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:31:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:31:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:31:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 16:31:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 16:31:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 16:31:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 16:31:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:31:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:31:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:32,349 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:32,352 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:32,857 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:32,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:32,970 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:31:32,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:32 BoogieIcfgContainer [2022-10-17 16:31:32,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:32,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:32,976 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:32,993 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:32,993 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:32" (1/1) ... [2022-10-17 16:31:33,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 74 transitions. [2022-10-17 16:31:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-10-17 16:31:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:31:33,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,331 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 16:31:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2022-10-17 16:31:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-10-17 16:31:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:31:33,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,539 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 16:31:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2022-10-17 16:31:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-10-17 16:31:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:31:33,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,756 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 16:31:33,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2022-10-17 16:31:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2022-10-17 16:31:33,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:31:33,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,900 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 16:31:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2022-10-17 16:31:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2022-10-17 16:31:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:31:34,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,089 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 16:31:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2022-10-17 16:31:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2022-10-17 16:31:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:31:34,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,168 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 16:31:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2022-10-17 16:31:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2022-10-17 16:31:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:31:34,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,339 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 16:31:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 131 transitions. [2022-10-17 16:31:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2022-10-17 16:31:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:31:34,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,752 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 16:31:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 142 transitions. [2022-10-17 16:31:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2022-10-17 16:31:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:31:34,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,842 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 16:31:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 143 transitions. [2022-10-17 16:31:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2022-10-17 16:31:34,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:31:34,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,899 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 16:31:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 144 transitions. [2022-10-17 16:31:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2022-10-17 16:31:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:31:34,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 162 transitions. [2022-10-17 16:31:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2022-10-17 16:31:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:31:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 164 transitions. [2022-10-17 16:31:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2022-10-17 16:31:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:31:35,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 105 states and 165 transitions. [2022-10-17 16:31:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2022-10-17 16:31:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:31:35,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:31:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 106 states and 166 transitions. [2022-10-17 16:31:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2022-10-17 16:31:35,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:31:35,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:35,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:31:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 195 transitions. [2022-10-17 16:31:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2022-10-17 16:31:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:31:36,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:31:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 119 states and 195 transitions. [2022-10-17 16:31:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2022-10-17 16:31:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:36,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:31:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 196 transitions. [2022-10-17 16:31:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2022-10-17 16:31:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:31:36,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:31:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 197 transitions. [2022-10-17 16:31:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 197 transitions. [2022-10-17 16:31:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:31:36,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:36,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 217 transitions. [2022-10-17 16:31:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 217 transitions. [2022-10-17 16:31:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:31:37,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:37,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 215 transitions. [2022-10-17 16:31:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 215 transitions. [2022-10-17 16:31:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:31:37,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:31:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 129 states and 213 transitions. [2022-10-17 16:31:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2022-10-17 16:31:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:31:37,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:37,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:37,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:31:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 222 transitions. [2022-10-17 16:31:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 222 transitions. [2022-10-17 16:31:38,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:38,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:31:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 136 states and 223 transitions. [2022-10-17 16:31:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 223 transitions. [2022-10-17 16:31:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:31:38,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:31:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 47 states and 62 transitions. [2022-10-17 16:31:38,209 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-10-17 16:31:38,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:31:38,210 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2022-10-17 16:31:38,221 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:31:38,359 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:31:38,369 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,370 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,370 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,370 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,370 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,370 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,371 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:31:38,372 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:31:38,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:31:38 ImpRootNode [2022-10-17 16:31:38,374 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:31:38,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:31:38,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:31:38,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:31:38,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:32" (3/4) ... [2022-10-17 16:31:38,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:31:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 16:31:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:31:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:31:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:31:38,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:31:38,393 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 16:31:38,393 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 16:31:38,408 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-10-17 16:31:38,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 16:31:38,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:31:38,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:31:38,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:31:38,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:31:38,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:31:38,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2022-10-17 16:31:38,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:31:38,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:31:38,495 INFO L158 Benchmark]: Toolchain (without parser) took 7057.67ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 63.6MB in the beginning and 60.1MB in the end (delta: 3.5MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,495 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:38,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.31ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 54.6MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.32ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 52.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,498 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 88.1MB. Free memory was 52.2MB in the beginning and 50.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,499 INFO L158 Benchmark]: RCFGBuilder took 833.28ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.5MB in the beginning and 90.5MB in the end (delta: -39.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,499 INFO L158 Benchmark]: CodeCheck took 5398.16ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 90.5MB in the beginning and 65.4MB in the end (delta: 25.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,500 INFO L158 Benchmark]: Witness Printer took 119.61ms. Allocated memory is still 163.6MB. Free memory was 65.4MB in the beginning and 60.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:31:38,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4727 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2198 mSDsluCounter, 4866 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3357 mSDsCounter, 938 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3948 IncrementalHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 938 mSolverCounterUnsat, 1697 mSDtfsCounter, 3948 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6452 GetRequests, 6374 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 724 NumberOfCodeBlocks, 724 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 700 ConstructedInterpolants, 0 QuantifiedInterpolants, 1489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 180/197 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: 643]: 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: 657]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.31ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 54.6MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.32ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 52.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 88.1MB. Free memory was 52.2MB in the beginning and 50.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.28ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 50.5MB in the beginning and 90.5MB in the end (delta: -39.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 5398.16ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 90.5MB in the beginning and 65.4MB in the end (delta: 25.1MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 119.61ms. Allocated memory is still 163.6MB. Free memory was 65.4MB in the beginning and 60.1MB 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 16:31:38,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97439a1e-8514-4475-90af-353315c6f509/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