./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:07:32,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:32,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:32,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:32,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:32,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:32,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:32,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:32,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:32,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:32,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:32,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:32,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:32,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:32,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:32,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:32,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:32,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:32,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:32,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:32,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:32,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:32,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:32,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:32,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:32,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:32,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:32,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:32,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:32,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:32,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:32,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:32,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:32,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:32,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:32,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:32,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:32,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:32,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:32,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:32,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:32,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:32,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:32,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:32,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:32,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:32,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:32,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:32,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:32,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:32,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:32,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:32,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:32,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:32,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:32,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:32,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:32,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:32,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:32,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:32,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:32,476 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:32,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:32,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:32,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:32,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:32,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:32,477 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:32,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:32,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:32,478 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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2022-10-17 17:07:32,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:32,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:32,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:32,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:32,804 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:32,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-10-17 17:07:32,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/data/2e6682cbd/fb355f9e921747ff9afd5f441221f193/FLAGa27d4eb4e [2022-10-17 17:07:33,422 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:33,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-10-17 17:07:33,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/data/2e6682cbd/fb355f9e921747ff9afd5f441221f193/FLAGa27d4eb4e [2022-10-17 17:07:33,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/data/2e6682cbd/fb355f9e921747ff9afd5f441221f193 [2022-10-17 17:07:33,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:33,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:33,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:33,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:33,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:33,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:33" (1/1) ... [2022-10-17 17:07:33,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae4718a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:33, skipping insertion in model container [2022-10-17 17:07:33,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:33" (1/1) ... [2022-10-17 17:07:33,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:33,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:34,129 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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-10-17 17:07:34,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:34,223 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:34,264 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_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2022-10-17 17:07:34,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:34,324 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:34,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34 WrapperNode [2022-10-17 17:07:34,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:34,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:34,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:34,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:34,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,419 INFO L138 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 227 [2022-10-17 17:07:34,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:34,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:34,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:34,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:34,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:34,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:34,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:34,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:34,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:34,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:34,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:34,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:07:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:07:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 17:07:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 17:07:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:07:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:07:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:07:34,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:07:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:07:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:07:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:07:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:07:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 17:07:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 17:07:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:07:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:07:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:07:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:07:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:34,677 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:34,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:35,146 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:35,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:35,381 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:07:35,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35 BoogieIcfgContainer [2022-10-17 17:07:35,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:35,388 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:35,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:35,400 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:35,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2022-10-17 17:07:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-10-17 17:07:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:07:35,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:35,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2022-10-17 17:07:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-10-17 17:07:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:35,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2022-10-17 17:07:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2022-10-17 17:07:35,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:07:35,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2022-10-17 17:07:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2022-10-17 17:07:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:07:36,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2022-10-17 17:07:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2022-10-17 17:07:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:07:36,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2022-10-17 17:07:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2022-10-17 17:07:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:07:36,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2022-10-17 17:07:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2022-10-17 17:07:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:07:36,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:37,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 102 states and 152 transitions. [2022-10-17 17:07:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2022-10-17 17:07:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:07:37,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 103 states and 153 transitions. [2022-10-17 17:07:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2022-10-17 17:07:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:07:37,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2022-10-17 17:07:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2022-10-17 17:07:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:07:37,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 195 transitions. [2022-10-17 17:07:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2022-10-17 17:07:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:07:38,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 127 states and 196 transitions. [2022-10-17 17:07:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 196 transitions. [2022-10-17 17:07:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:07:38,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:38,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 208 transitions. [2022-10-17 17:07:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2022-10-17 17:07:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:07:38,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:38,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:07:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 137 states and 216 transitions. [2022-10-17 17:07:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2022-10-17 17:07:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:07:39,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 233 transitions. [2022-10-17 17:07:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2022-10-17 17:07:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:07:39,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:39,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 146 states and 238 transitions. [2022-10-17 17:07:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2022-10-17 17:07:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:07:39,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 232 transitions. [2022-10-17 17:07:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2022-10-17 17:07:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:07:39,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:40,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 153 states and 251 transitions. [2022-10-17 17:07:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 251 transitions. [2022-10-17 17:07:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:07:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:40,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 154 states and 252 transitions. [2022-10-17 17:07:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2022-10-17 17:07:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:07:40,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:07:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 157 states and 257 transitions. [2022-10-17 17:07:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2022-10-17 17:07:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:07:41,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:41,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 164 states and 273 transitions. [2022-10-17 17:07:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 273 transitions. [2022-10-17 17:07:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:07:42,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 165 states and 274 transitions. [2022-10-17 17:07:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 274 transitions. [2022-10-17 17:07:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:07:42,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:07:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 172 states and 286 transitions. [2022-10-17 17:07:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 286 transitions. [2022-10-17 17:07:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:07:42,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:42,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 173 states and 286 transitions. [2022-10-17 17:07:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 286 transitions. [2022-10-17 17:07:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:07:42,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:42,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:07:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 174 states and 287 transitions. [2022-10-17 17:07:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2022-10-17 17:07:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:07:42,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 190 states and 322 transitions. [2022-10-17 17:07:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 322 transitions. [2022-10-17 17:07:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:07:44,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:44,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:07:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 191 states and 322 transitions. [2022-10-17 17:07:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 322 transitions. [2022-10-17 17:07:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:07:44,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:44,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 201 states and 341 transitions. [2022-10-17 17:07:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 341 transitions. [2022-10-17 17:07:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:07:45,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 342 transitions. [2022-10-17 17:07:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 342 transitions. [2022-10-17 17:07:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:07:46,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 203 states and 343 transitions. [2022-10-17 17:07:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 343 transitions. [2022-10-17 17:07:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:07:46,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:46,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:07:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 206 states and 347 transitions. [2022-10-17 17:07:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 347 transitions. [2022-10-17 17:07:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:07:46,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 207 states and 348 transitions. [2022-10-17 17:07:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2022-10-17 17:07:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:07:46,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:07:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 208 states and 351 transitions. [2022-10-17 17:07:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 351 transitions. [2022-10-17 17:07:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:07:46,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:46,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 215 states and 362 transitions. [2022-10-17 17:07:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2022-10-17 17:07:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:07:47,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:07:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 221 states and 371 transitions. [2022-10-17 17:07:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 371 transitions. [2022-10-17 17:07:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:07:48,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:07:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 226 states and 380 transitions. [2022-10-17 17:07:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 380 transitions. [2022-10-17 17:07:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:07:48,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:07:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 227 states and 380 transitions. [2022-10-17 17:07:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 380 transitions. [2022-10-17 17:07:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:07:48,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:07:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 228 states and 381 transitions. [2022-10-17 17:07:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 381 transitions. [2022-10-17 17:07:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:07:48,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:07:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 229 states and 382 transitions. [2022-10-17 17:07:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 382 transitions. [2022-10-17 17:07:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:07:48,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:07:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 230 states and 385 transitions. [2022-10-17 17:07:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2022-10-17 17:07:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:07:48,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:48,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:07:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 232 states and 388 transitions. [2022-10-17 17:07:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 388 transitions. [2022-10-17 17:07:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:07:49,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:07:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 233 states and 388 transitions. [2022-10-17 17:07:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2022-10-17 17:07:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:07:49,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:07:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 236 states and 392 transitions. [2022-10-17 17:07:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 392 transitions. [2022-10-17 17:07:49,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:07:49,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:07:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 237 states and 393 transitions. [2022-10-17 17:07:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 393 transitions. [2022-10-17 17:07:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:07:49,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-10-17 17:07:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 240 states and 398 transitions. [2022-10-17 17:07:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 398 transitions. [2022-10-17 17:07:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 17:07:49,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-17 17:07:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 241 states and 399 transitions. [2022-10-17 17:07:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 399 transitions. [2022-10-17 17:07:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:07:49,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-10-17 17:07:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 103 states and 136 transitions. [2022-10-17 17:07:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2022-10-17 17:07:49,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:07:49,549 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2022-10-17 17:07:49,563 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:07:49,823 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:07:49,830 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-10-17 17:07:49,832 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,833 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,833 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,833 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 17:07:49,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,835 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,836 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,836 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,836 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 17:07:49,837 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:49,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:49 ImpRootNode [2022-10-17 17:07:49,838 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:49,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:49,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:49,839 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:49,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35" (3/4) ... [2022-10-17 17:07:49,842 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:07:49,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 17:07:49,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 17:07:49,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 17:07:49,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 17:07:49,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 17:07:49,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 17:07:49,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 17:07:49,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:07:49,848 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 17:07:49,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-10-17 17:07:49,863 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-10-17 17:07:49,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:07:49,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 17:07:49,865 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:07:49,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:07:49,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:07:49,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) [2022-10-17 17:07:49,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2022-10-17 17:07:49,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:49,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:49,965 INFO L158 Benchmark]: Toolchain (without parser) took 16207.80ms. Allocated memory was 100.7MB in the beginning and 211.8MB in the end (delta: 111.1MB). Free memory was 68.0MB in the beginning and 120.1MB in the end (delta: -52.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,965 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:49,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.78ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.44ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 63.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,966 INFO L158 Benchmark]: Boogie Preprocessor took 36.28ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 62.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,967 INFO L158 Benchmark]: RCFGBuilder took 928.54ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 88.1MB in the end (delta: -26.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,967 INFO L158 Benchmark]: CodeCheck took 14450.39ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 88.1MB in the beginning and 125.4MB in the end (delta: -37.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,968 INFO L158 Benchmark]: Witness Printer took 125.16ms. Allocated memory is still 211.8MB. Free memory was 125.4MB in the beginning and 120.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:07:49,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 47, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18702 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10014 mSDsluCounter, 21530 SdHoareTripleChecker+Invalid, 25.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16738 mSDsCounter, 5736 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19914 IncrementalHoareTripleChecker+Invalid, 25650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5736 mSolverCounterUnsat, 5460 mSDtfsCounter, 19914 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19177 GetRequests, 18953 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20690 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2018 NumberOfCodeBlocks, 2018 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1972 ConstructedInterpolants, 0 QuantifiedInterpolants, 3995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 40 PerfectInterpolantSequences, 718/751 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: 595]: 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: 353]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.78ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.44ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 63.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.28ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 62.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 928.54ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 88.1MB in the end (delta: -26.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * CodeCheck took 14450.39ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 88.1MB in the beginning and 125.4MB in the end (delta: -37.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Witness Printer took 125.16ms. Allocated memory is still 211.8MB. Free memory was 125.4MB in the beginning and 120.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:07:50,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adf6c7d-7d8b-4cfe-b60a-4cc574feb643/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