./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ --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 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:41:32,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:41:32,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:41:32,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:41:32,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:41:32,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:41:32,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:41:32,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:41:32,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:41:32,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:41:32,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:41:32,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:41:32,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:41:32,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:41:32,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:41:32,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:41:32,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:41:32,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:41:32,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:41:32,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:41:32,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:41:32,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:41:32,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:41:32,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:41:32,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:41:32,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:41:32,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:41:32,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:41:32,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:41:32,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:41:32,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:41:33,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:41:33,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:41:33,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:41:33,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:41:33,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:41:33,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:41:33,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:41:33,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:41:33,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:41:33,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:41:33,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:41:33,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:41:33,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:41:33,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:41:33,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:41:33,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:41:33,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:41:33,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:41:33,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:41:33,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:41:33,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:41:33,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:41:33,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:41:33,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:41:33,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:41:33,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:41:33,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:41:33,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:41:33,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:41:33,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:41:33,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:41:33,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:41:33,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:33,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:41:33,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:41:33,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:41:33,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:41:33,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:41:33,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:41:33,061 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_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea [2021-11-23 01:41:33,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:41:33,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:41:33,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:41:33,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:41:33,437 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:41:33,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2021-11-23 01:41:33,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/data/4a671bd09/09c77baa95424b67b392ca77bf390ecc/FLAG28c44f9b8 [2021-11-23 01:41:34,297 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:41:34,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2021-11-23 01:41:34,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/data/4a671bd09/09c77baa95424b67b392ca77bf390ecc/FLAG28c44f9b8 [2021-11-23 01:41:34,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/data/4a671bd09/09c77baa95424b67b392ca77bf390ecc [2021-11-23 01:41:34,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:41:34,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:41:34,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:34,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:41:34,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:41:34,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:34" (1/1) ... [2021-11-23 01:41:34,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1685c5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:34, skipping insertion in model container [2021-11-23 01:41:34,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:34" (1/1) ... [2021-11-23 01:41:34,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:41:34,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:41:34,920 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_48f2c2a4-67df-43f8-a32b-523c69ebc358/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2021-11-23 01:41:35,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:35,032 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:41:35,087 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_48f2c2a4-67df-43f8-a32b-523c69ebc358/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402] [2021-11-23 01:41:35,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:41:35,236 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:41:35,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35 WrapperNode [2021-11-23 01:41:35,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:41:35,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:35,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:41:35,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:41:35,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,325 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 228 [2021-11-23 01:41:35,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:41:35,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:41:35,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:41:35,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:41:35,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:41:35,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:41:35,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:41:35,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:41:35,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:35" (1/1) ... [2021-11-23 01:41:35,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:41:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:41:35,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:41:35,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:41:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:41:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:41:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:41:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:41:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:41:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:41:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:41:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:41:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:41:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:41:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:41:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:41:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:41:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:41:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:41:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:41:35,545 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:41:35,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:41:36,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:41:36,130 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:41:36,130 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:41:36,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:36 BoogieIcfgContainer [2021-11-23 01:41:36,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:41:36,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:41:36,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:41:36,154 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:41:36,154 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:36" (1/1) ... [2021-11-23 01:41:36,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:41:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 01:41:36,298 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 01:41:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:41:36,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 01:41:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 01:41:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:41:36,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:41:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:41:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:41:36,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2021-11-23 01:41:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2021-11-23 01:41:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:37,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2021-11-23 01:41:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2021-11-23 01:41:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:37,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:37,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2021-11-23 01:41:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2021-11-23 01:41:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:38,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:38,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 162 transitions. [2021-11-23 01:41:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 162 transitions. [2021-11-23 01:41:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:41:39,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2021-11-23 01:41:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2021-11-23 01:41:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:39,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2021-11-23 01:41:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2021-11-23 01:41:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:39,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:39,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2021-11-23 01:41:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2021-11-23 01:41:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:39,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:39,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 125 states and 221 transitions. [2021-11-23 01:41:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 221 transitions. [2021-11-23 01:41:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:41,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 129 states and 229 transitions. [2021-11-23 01:41:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2021-11-23 01:41:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:41,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 231 transitions. [2021-11-23 01:41:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2021-11-23 01:41:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:41:41,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 131 states and 232 transitions. [2021-11-23 01:41:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2021-11-23 01:41:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:41:41,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 133 states and 237 transitions. [2021-11-23 01:41:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2021-11-23 01:41:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:41:41,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:41,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 239 transitions. [2021-11-23 01:41:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 239 transitions. [2021-11-23 01:41:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:41:42,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 240 transitions. [2021-11-23 01:41:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 240 transitions. [2021-11-23 01:41:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:41:42,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 136 states and 241 transitions. [2021-11-23 01:41:42,339 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2021-11-23 01:41:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:42,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 253 transitions. [2021-11-23 01:41:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2021-11-23 01:41:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:42,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:42,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 261 transitions. [2021-11-23 01:41:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2021-11-23 01:41:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:41:43,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:43,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 147 states and 271 transitions. [2021-11-23 01:41:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 271 transitions. [2021-11-23 01:41:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:41:44,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:44,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 285 transitions. [2021-11-23 01:41:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 285 transitions. [2021-11-23 01:41:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:41:45,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 286 transitions. [2021-11-23 01:41:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 286 transitions. [2021-11-23 01:41:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:41:45,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 157 states and 287 transitions. [2021-11-23 01:41:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2021-11-23 01:41:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:41:45,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 158 states and 290 transitions. [2021-11-23 01:41:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 290 transitions. [2021-11-23 01:41:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:41:45,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:45,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:46,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 294 transitions. [2021-11-23 01:41:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2021-11-23 01:41:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:41:46,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:46,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 168 states and 306 transitions. [2021-11-23 01:41:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2021-11-23 01:41:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:41:47,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:47,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:41:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 169 states and 307 transitions. [2021-11-23 01:41:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2021-11-23 01:41:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:41:47,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:47,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 180 states and 336 transitions. [2021-11-23 01:41:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2021-11-23 01:41:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:41:48,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:48,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 190 states and 356 transitions. [2021-11-23 01:41:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 356 transitions. [2021-11-23 01:41:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:41:49,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:49,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 399 transitions. [2021-11-23 01:41:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 399 transitions. [2021-11-23 01:41:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:41:54,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:54,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 220 states and 434 transitions. [2021-11-23 01:41:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 434 transitions. [2021-11-23 01:41:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:41:57,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:57,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 218 states and 429 transitions. [2021-11-23 01:41:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 429 transitions. [2021-11-23 01:41:57,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:41:57,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:57,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:41:57,507 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:41:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:41:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:41:57,642 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:41:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:41:57,747 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 33 iterations. [2021-11-23 01:41:57,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:41:57 ImpRootNode [2021-11-23 01:41:57,828 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:41:57,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:41:57,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:41:57,829 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:41:57,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:36" (3/4) ... [2021-11-23 01:41:57,832 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:41:58,049 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:41:58,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:41:58,050 INFO L158 Benchmark]: Toolchain (without parser) took 23515.36ms. Allocated memory was 92.3MB in the beginning and 220.2MB in the end (delta: 127.9MB). Free memory was 57.2MB in the beginning and 111.3MB in the end (delta: -54.1MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,051 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:41:58,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.83ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.0MB in the beginning and 93.9MB in the end (delta: -36.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.48ms. Allocated memory is still 125.8MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,052 INFO L158 Benchmark]: Boogie Preprocessor took 32.31ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,053 INFO L158 Benchmark]: RCFGBuilder took 774.22ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 69.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,054 INFO L158 Benchmark]: CodeCheck took 21693.72ms. Allocated memory was 125.8MB in the beginning and 220.2MB in the end (delta: 94.4MB). Free memory was 69.2MB in the beginning and 117.6MB in the end (delta: -48.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,054 INFO L158 Benchmark]: Witness Printer took 220.59ms. Allocated memory is still 220.2MB. Free memory was 117.6MB in the beginning and 111.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:41:58,057 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: 21.6s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8534 SdHoareTripleChecker+Valid, 24.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4047 mSDsluCounter, 9633 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7766 mSDsCounter, 4422 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13539 IncrementalHoareTripleChecker+Invalid, 17961 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4422 mSolverCounterUnsat, 2721 mSDtfsCounter, 13539 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11400 GetRequests, 11045 SyntacticMatches, 11 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54025 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1140 NumberOfCodeBlocks, 1140 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1055 ConstructedInterpolants, 0 QuantifiedInterpolants, 2277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 31 PerfectInterpolantSequences, 216/217 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 - CounterExampleResult [Line: 259]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L265] int methAndRunningLastTime ; [L508] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int pumpRunning = 0; [L776] int systemActive = 1; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L330] int retValue_acc ; [L333] retValue_acc = 1 [L334] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L270] methAndRunningLastTime = 0 [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L707] int splverifierCounter ; [L708] int tmp ; [L709] int tmp___0 ; [L710] int tmp___1 ; [L711] int tmp___2 ; [L714] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L716] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L728] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] COND TRUE waterLevel < 2 [L180] waterLevel = waterLevel + 1 [L728] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L738] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L191] COND FALSE !(\read(methaneLevelCritical)) [L194] methaneLevelCritical = 1 [L738] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L748] CALL startSystem() [L930] systemActive = 1 [L748] RET startSystem() [L761] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L789] COND TRUE \read(systemActive) [L791] CALL processEnvironment() [L811] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L814] COND TRUE ! pumpRunning [L816] CALL, EXPR isHighWaterLevel() [L908] int retValue_acc ; [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isHighWaterSensorDry() [L241] int retValue_acc ; [L244] COND FALSE !(waterLevel < 2) [L248] retValue_acc = 0 [L249] return (retValue_acc); [L914] RET, EXPR isHighWaterSensorDry() [L914] tmp = isHighWaterSensorDry() [L916] COND FALSE !(\read(tmp)) [L919] tmp___0 = 1 [L921] retValue_acc = tmp___0 [L922] return (retValue_acc); [L816] RET, EXPR isHighWaterLevel() [L816] tmp = isHighWaterLevel() [L818] COND TRUE \read(tmp) [L820] CALL activatePump() [L839] pumpRunning = 1 [L820] RET activatePump() [L791] RET processEnvironment() [L797] CALL __utac_acc__Specification2_spec__2() [L275] int tmp ; [L276] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L280] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L200] int retValue_acc ; [L203] retValue_acc = methaneLevelCritical [L204] return (retValue_acc); [L280] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L280] tmp = isMethaneLevelCritical() [L282] COND TRUE \read(tmp) [L284] CALL, EXPR isPumpRunning() [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L284] RET, EXPR isPumpRunning() [L284] tmp___0 = isPumpRunning() [L286] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L287] COND FALSE !(\read(methAndRunningLastTime)) [L292] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L797] RET __utac_acc__Specification2_spec__2() [L761] RET timeShift() VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___1=34, tmp___2=-1, waterLevel=2] [L716] COND TRUE 1 VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___1=34, tmp___2=-1, waterLevel=2] [L718] COND TRUE splverifierCounter < 4 [L724] tmp = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=34, tmp___2=-1, waterLevel=2] [L734] tmp___0 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___0)) VAL [__VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=34, tmp___2=-1, waterLevel=2] [L744] tmp___2 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___2) [L748] CALL startSystem() [L930] systemActive = 1 [L748] RET startSystem() [L761] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L782] COND TRUE \read(pumpRunning) [L784] CALL lowerWaterLevel() [L167] COND TRUE waterLevel > 0 [L168] waterLevel = waterLevel - 1 [L784] RET lowerWaterLevel() [L789] COND TRUE \read(systemActive) [L791] CALL processEnvironment() [L811] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L814] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L829] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L791] RET processEnvironment() [L797] CALL __utac_acc__Specification2_spec__2() [L275] int tmp ; [L276] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L280] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L200] int retValue_acc ; [L203] retValue_acc = methaneLevelCritical [L204] return (retValue_acc); [L280] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L280] tmp = isMethaneLevelCritical() [L282] COND TRUE \read(tmp) [L284] CALL, EXPR isPumpRunning() [L863] int retValue_acc ; [L866] retValue_acc = pumpRunning [L867] return (retValue_acc); [L284] RET, EXPR isPumpRunning() [L284] tmp___0 = isPumpRunning() [L286] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L287] COND TRUE \read(methAndRunningLastTime) [L289] CALL __automaton_fail() [L259] reach_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.83ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 57.0MB in the beginning and 93.9MB in the end (delta: -36.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.48ms. Allocated memory is still 125.8MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.31ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.22ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 69.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 21693.72ms. Allocated memory was 125.8MB in the beginning and 220.2MB in the end (delta: 94.4MB). Free memory was 69.2MB in the beginning and 117.6MB in the end (delta: -48.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Witness Printer took 220.59ms. Allocated memory is still 220.2MB. Free memory was 117.6MB in the beginning and 111.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:41:58,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f2c2a4-67df-43f8-a32b-523c69ebc358/bin/ukojak-LBtLqBUTdQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE