./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/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 b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 --- 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 16:53:14,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:14,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:14,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:14,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:14,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:14,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:14,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:14,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:14,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:14,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:14,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:14,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:14,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:14,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:14,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:14,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:14,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:14,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:14,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:14,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:14,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:14,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:14,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:14,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:14,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:14,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:14,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:14,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:15,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:15,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:15,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:15,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:15,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:15,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:15,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:15,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:15,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:15,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:15,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:15,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:15,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:15,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:15,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:15,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:15,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:15,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:15,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:15,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:15,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:15,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:15,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:15,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:15,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:15,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:15,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:15,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:15,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:15,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:15,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:15,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:15,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:15,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:15,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:15,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:15,061 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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 [2022-10-17 16:53:15,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:15,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:15,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:15,369 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:15,370 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:15,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-10-17 16:53:15,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/data/ef71ded22/3ae255564b9640b1beeb23fec006068d/FLAG30c3c5df2 [2022-10-17 16:53:15,984 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:15,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2022-10-17 16:53:16,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/data/ef71ded22/3ae255564b9640b1beeb23fec006068d/FLAG30c3c5df2 [2022-10-17 16:53:16,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/data/ef71ded22/3ae255564b9640b1beeb23fec006068d [2022-10-17 16:53:16,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:16,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:16,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:16,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:16,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:16,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416af488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16, skipping insertion in model container [2022-10-17 16:53:16,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:16,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:16,659 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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-10-17 16:53:16,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:16,727 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:16,768 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_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2022-10-17 16:53:16,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:16,855 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:16,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16 WrapperNode [2022-10-17 16:53:16,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:16,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:16,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:16,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:16,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,939 INFO L138 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 221 [2022-10-17 16:53:16,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:16,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:16,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:16,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:16,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,991 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:16,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:16,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:16,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:16,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:16,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:16" (1/1) ... [2022-10-17 16:53:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:17,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:17,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:17,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:53:17,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:53:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:53:17,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:53:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:53:17,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:53:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:53:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:53:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:53:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:53:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:53:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:53:17,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:17,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:17,228 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:17,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:17,662 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:17,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:17,791 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:53:17,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:17 BoogieIcfgContainer [2022-10-17 16:53:17,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:17,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:17,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:17,809 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:17,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:17" (1/1) ... [2022-10-17 16:53:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-10-17 16:53:17,905 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-10-17 16:53:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:53:17,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,158 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 16:53:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2022-10-17 16:53:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-10-17 16:53:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:18,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,399 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 16:53:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:53:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:53:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:53:18,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:18,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,647 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 16:53:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2022-10-17 16:53:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-10-17 16:53:18,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:18,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:18,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,981 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 16:53:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-10-17 16:53:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-10-17 16:53:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:19,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,332 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 16:53:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 71 states and 103 transitions. [2022-10-17 16:53:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2022-10-17 16:53:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:19,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,499 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 16:53:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2022-10-17 16:53:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2022-10-17 16:53:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:53:19,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,644 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 16:53:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 105 transitions. [2022-10-17 16:53:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-10-17 16:53:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:19,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,786 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 16:53:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 142 transitions. [2022-10-17 16:53:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2022-10-17 16:53:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:20,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,201 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 16:53:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 143 transitions. [2022-10-17 16:53:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2022-10-17 16:53:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:20,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,293 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 16:53:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 146 transitions. [2022-10-17 16:53:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2022-10-17 16:53:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:53:20,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,521 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 16:53:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 94 states and 147 transitions. [2022-10-17 16:53:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2022-10-17 16:53:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:53:20,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,658 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 16:53:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 99 states and 156 transitions. [2022-10-17 16:53:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2022-10-17 16:53:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:20,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,862 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 16:53:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 100 states and 157 transitions. [2022-10-17 16:53:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2022-10-17 16:53:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:20,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,970 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 16:53:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 101 states and 158 transitions. [2022-10-17 16:53:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2022-10-17 16:53:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:53:20,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2022-10-17 16:53:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2022-10-17 16:53:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:53:21,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 182 transitions. [2022-10-17 16:53:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2022-10-17 16:53:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:53:21,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:21,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 180 transitions. [2022-10-17 16:53:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2022-10-17 16:53:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:53:21,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:21,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:53:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 181 transitions. [2022-10-17 16:53:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2022-10-17 16:53:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:53:21,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:53:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 188 transitions. [2022-10-17 16:53:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions. [2022-10-17 16:53:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:53:22,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:53:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 202 transitions. [2022-10-17 16:53:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2022-10-17 16:53:24,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:53:24,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:24,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:53:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 203 transitions. [2022-10-17 16:53:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2022-10-17 16:53:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:53:24,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:53:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 44 states and 52 transitions. [2022-10-17 16:53:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-10-17 16:53:25,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:53:25,918 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2022-10-17 16:53:25,927 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:53:26,180 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-10-17 16:53:26,186 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,186 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,199 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:53:26,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,199 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:53:26,200 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,200 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,200 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,200 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-10-17 16:53:26,201 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:26,201 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-10-17 16:53:26,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:53:26 ImpRootNode [2022-10-17 16:53:26,202 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:53:26,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:53:26,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:53:26,203 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:53:26,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:17" (3/4) ... [2022-10-17 16:53:26,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:53:26,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:53:26,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:53:26,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:53:26,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:53:26,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:53:26,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:53:26,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2022-10-17 16:53:26,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-10-17 16:53:26,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:53:26,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:53:26,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:53:26,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:26,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:26,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) [2022-10-17 16:53:26,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(methAndRunningLastTime == 0) [2022-10-17 16:53:26,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == \old(pumpRunning)) || !(methAndRunningLastTime == 0)) || ((methaneLevelCritical <= tmp || 0 < tmp + 1) && (tmp <= 0 || tmp <= methaneLevelCritical)) [2022-10-17 16:53:26,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (methAndRunningLastTime == 0 || (!(\old(pumpRunning) == 0) && (1 <= methaneLevelCritical || methaneLevelCritical + 1 <= 0))) || !(pumpRunning == \old(pumpRunning)) [2022-10-17 16:53:26,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:53:26,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:53:26,293 INFO L158 Benchmark]: Toolchain (without parser) took 9986.59ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 71.0MB in the beginning and 105.7MB in the end (delta: -34.6MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,293 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:53:26,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.77ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 78.4MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.51ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 75.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,295 INFO L158 Benchmark]: Boogie Preprocessor took 53.79ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 74.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,295 INFO L158 Benchmark]: RCFGBuilder took 797.35ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 45.8MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,295 INFO L158 Benchmark]: CodeCheck took 8407.83ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 45.8MB in the beginning and 110.8MB in the end (delta: -65.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,296 INFO L158 Benchmark]: Witness Printer took 89.63ms. Allocated memory is still 207.6MB. Free memory was 110.8MB in the beginning and 105.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:53:26,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4094 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1734 mSDsluCounter, 3975 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2727 mSDsCounter, 872 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3679 IncrementalHoareTripleChecker+Invalid, 4551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 872 mSolverCounterUnsat, 1628 mSDtfsCounter, 3679 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6596 GetRequests, 6444 SyntacticMatches, 40 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7677 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 769 NumberOfCodeBlocks, 769 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 747 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 173/187 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: 528]: 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: 267]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (!(pumpRunning == \old(pumpRunning)) || !(methAndRunningLastTime == 0)) || ((methaneLevelCritical <= tmp || 0 < tmp + 1) && (tmp <= 0 || tmp <= methaneLevelCritical)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (methAndRunningLastTime == 0 || (!(\old(pumpRunning) == 0) && (1 <= methaneLevelCritical || methaneLevelCritical + 1 <= 0))) || !(pumpRunning == \old(pumpRunning)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.77ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 78.4MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.51ms. Allocated memory is still 113.2MB. Free memory was 78.4MB in the beginning and 75.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.79ms. Allocated memory is still 113.2MB. Free memory was 75.9MB in the beginning and 74.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.35ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 45.8MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 8407.83ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 45.8MB in the beginning and 110.8MB in the end (delta: -65.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 89.63ms. Allocated memory is still 207.6MB. Free memory was 110.8MB in the beginning and 105.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:53:26,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83a3845c-6d75-423e-bde5-6d3c2cbe1bd7/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