./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/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_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/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_7dacc203-8437-4fda-8426-3ee5538da881/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_7dacc203-8437-4fda-8426-3ee5538da881/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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:46:33,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:46:33,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:46:33,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:46:33,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:46:33,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:46:33,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:46:33,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:46:33,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:46:33,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:46:33,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:46:33,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:46:33,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:46:33,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:46:33,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:46:33,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:46:33,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:46:33,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:46:33,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:46:33,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:46:33,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:46:33,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:46:33,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:46:33,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:46:33,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:46:33,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:46:33,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:46:33,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:46:33,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:46:33,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:46:33,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:46:33,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:46:33,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:46:33,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:46:33,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:46:33,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:46:33,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:46:33,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:46:33,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:46:33,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:46:33,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:46:33,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:46:33,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:46:33,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:46:33,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:46:33,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:46:33,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:46:33,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:46:33,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:46:33,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:46:33,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:46:33,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:46:33,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:46:33,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:46:33,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:46:33,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:46:33,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:46:33,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:46:33,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:46:33,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:46:33,645 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:46:33,645 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:46:33,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:46:33,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:33,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:46:33,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:46:33,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:46:33,646 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:46:33,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:46:33,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:46:33,647 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_7dacc203-8437-4fda-8426-3ee5538da881/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2021-11-23 00:46:33,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:46:33,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:46:33,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:46:33,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:46:33,978 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:46:33,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-11-23 00:46:34,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/data/338a4f461/f4b00af16f3049d8840462aab09dbe99/FLAG795f9f742 [2021-11-23 00:46:34,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:46:34,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-11-23 00:46:34,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/data/338a4f461/f4b00af16f3049d8840462aab09dbe99/FLAG795f9f742 [2021-11-23 00:46:34,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/data/338a4f461/f4b00af16f3049d8840462aab09dbe99 [2021-11-23 00:46:34,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:46:34,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:46:34,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:34,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:46:34,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:46:34,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:34" (1/1) ... [2021-11-23 00:46:34,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bca78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:34, skipping insertion in model container [2021-11-23 00:46:34,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:34" (1/1) ... [2021-11-23 00:46:34,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:46:34,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:46:35,260 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_7dacc203-8437-4fda-8426-3ee5538da881/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-11-23 00:46:35,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:35,344 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:46:35,419 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_7dacc203-8437-4fda-8426-3ee5538da881/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-11-23 00:46:35,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:35,497 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:46:35,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35 WrapperNode [2021-11-23 00:46:35,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:35,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:35,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:46:35,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:46:35,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,585 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 227 [2021-11-23 00:46:35,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:35,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:46:35,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:46:35,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:46:35,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:46:35,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:46:35,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:46:35,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:46:35,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:35" (1/1) ... [2021-11-23 00:46:35,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:35,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:46:35,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:46:35,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:46:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:46:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:46:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:46:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:46:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:46:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:46:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:46:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:46:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:46:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:46:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:46:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:46:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:46:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:46:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:46:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:46:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:46:35,824 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:46:35,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:46:36,188 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:46:36,296 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:46:36,296 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:46:36,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:36 BoogieIcfgContainer [2021-11-23 00:46:36,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:46:36,301 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:46:36,301 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:46:36,309 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:46:36,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:36" (1/1) ... [2021-11-23 00:46:36,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:46:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2021-11-23 00:46:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2021-11-23 00:46:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:46:36,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,622 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 00:46:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2021-11-23 00:46:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2021-11-23 00:46:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:46:36,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,814 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 00:46:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2021-11-23 00:46:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2021-11-23 00:46:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:46:36,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:36,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,935 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 00:46:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2021-11-23 00:46:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2021-11-23 00:46:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:46:37,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,156 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 00:46:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2021-11-23 00:46:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2021-11-23 00:46:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:37,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,256 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 00:46:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2021-11-23 00:46:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2021-11-23 00:46:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:37,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,327 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 00:46:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2021-11-23 00:46:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2021-11-23 00:46:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:37,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,472 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 00:46:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 102 states and 152 transitions. [2021-11-23 00:46:37,951 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2021-11-23 00:46:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:46:37,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,008 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 00:46:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 103 states and 153 transitions. [2021-11-23 00:46:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2021-11-23 00:46:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:46:38,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:38,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,100 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 00:46:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2021-11-23 00:46:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2021-11-23 00:46:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:46:38,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:38,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,598 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 00:46:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 195 transitions. [2021-11-23 00:46:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2021-11-23 00:46:39,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:46:39,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,312 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 00:46:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 127 states and 196 transitions. [2021-11-23 00:46:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 196 transitions. [2021-11-23 00:46:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:46:39,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,362 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 00:46:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 133 states and 208 transitions. [2021-11-23 00:46:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2021-11-23 00:46:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:39,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:46:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 137 states and 216 transitions. [2021-11-23 00:46:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2021-11-23 00:46:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:46:39,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,548 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 00:46:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 233 transitions. [2021-11-23 00:46:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2021-11-23 00:46:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:39,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,731 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 00:46:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 146 states and 238 transitions. [2021-11-23 00:46:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2021-11-23 00:46:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:39,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,987 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 00:46:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 232 transitions. [2021-11-23 00:46:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-23 00:46:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:46:40,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:40,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:40,046 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 00:46:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 153 states and 251 transitions. [2021-11-23 00:46:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 251 transitions. [2021-11-23 00:46:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:46:40,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:40,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:40,550 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 00:46:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 154 states and 252 transitions. [2021-11-23 00:46:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2021-11-23 00:46:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:46:40,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:40,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:40,824 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 00:46:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 157 states and 257 transitions. [2021-11-23 00:46:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2021-11-23 00:46:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:46:41,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:41,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:41,693 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 00:46:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 164 states and 273 transitions. [2021-11-23 00:46:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 273 transitions. [2021-11-23 00:46:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:46:42,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 171 states and 285 transitions. [2021-11-23 00:46:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2021-11-23 00:46:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:46:42,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 172 states and 285 transitions. [2021-11-23 00:46:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 285 transitions. [2021-11-23 00:46:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:46:42,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,457 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 00:46:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 173 states and 286 transitions. [2021-11-23 00:46:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 286 transitions. [2021-11-23 00:46:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:46:42,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,503 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 00:46:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 174 states and 287 transitions. [2021-11-23 00:46:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2021-11-23 00:46:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:46:42,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 175 states and 288 transitions. [2021-11-23 00:46:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 288 transitions. [2021-11-23 00:46:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:46:42,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 191 states and 323 transitions. [2021-11-23 00:46:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 323 transitions. [2021-11-23 00:46:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:46:44,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 192 states and 323 transitions. [2021-11-23 00:46:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 323 transitions. [2021-11-23 00:46:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:46:44,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 342 transitions. [2021-11-23 00:46:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 342 transitions. [2021-11-23 00:46:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:45,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 203 states and 343 transitions. [2021-11-23 00:46:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 343 transitions. [2021-11-23 00:46:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:46:45,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:46:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 206 states and 347 transitions. [2021-11-23 00:46:45,632 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 347 transitions. [2021-11-23 00:46:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:46:45,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:46:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 207 states and 348 transitions. [2021-11-23 00:46:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2021-11-23 00:46:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:46:45,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:46:45,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 212 states and 357 transitions. [2021-11-23 00:46:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 357 transitions. [2021-11-23 00:46:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:46:45,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 213 states and 360 transitions. [2021-11-23 00:46:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 360 transitions. [2021-11-23 00:46:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:46:46,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 220 states and 371 transitions. [2021-11-23 00:46:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 371 transitions. [2021-11-23 00:46:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:46:46,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 226 states and 380 transitions. [2021-11-23 00:46:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 380 transitions. [2021-11-23 00:46:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:46:47,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 227 states and 381 transitions. [2021-11-23 00:46:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 381 transitions. [2021-11-23 00:46:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:46:47,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:46:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 228 states and 381 transitions. [2021-11-23 00:46:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 381 transitions. [2021-11-23 00:46:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:46:47,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:46:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 229 states and 382 transitions. [2021-11-23 00:46:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 382 transitions. [2021-11-23 00:46:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:46:47,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:46:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 230 states and 385 transitions. [2021-11-23 00:46:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2021-11-23 00:46:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:46:47,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:46:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 232 states and 388 transitions. [2021-11-23 00:46:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 388 transitions. [2021-11-23 00:46:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:46:47,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:46:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 233 states and 388 transitions. [2021-11-23 00:46:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2021-11-23 00:46:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:46:47,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:46:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 236 states and 392 transitions. [2021-11-23 00:46:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 392 transitions. [2021-11-23 00:46:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:46:47,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:46:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 237 states and 393 transitions. [2021-11-23 00:46:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 393 transitions. [2021-11-23 00:46:48,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:46:48,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:46:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 240 states and 398 transitions. [2021-11-23 00:46:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 398 transitions. [2021-11-23 00:46:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:46:48,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 00:46:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 241 states and 399 transitions. [2021-11-23 00:46:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 399 transitions. [2021-11-23 00:46:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:46:48,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 00:46:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 103 states and 136 transitions. [2021-11-23 00:46:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2021-11-23 00:46:48,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:46:48,186 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2021-11-23 00:46:48,201 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:46:48,483 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:46:48,490 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-23 00:46:48,493 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,494 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:46:48,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,496 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,497 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,497 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:46:48,498 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:48,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:46:48 ImpRootNode [2021-11-23 00:46:48,498 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:46:48,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:46:48,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:46:48,499 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:46:48,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:36" (3/4) ... [2021-11-23 00:46:48,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:46:48,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:46:48,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:46:48,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:46:48,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:46:48,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:46:48,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:46:48,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:46:48,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:46:48,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:46:48,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 00:46:48,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 00:46:48,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:46:48,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:46:48,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:46:48,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:46:48,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:46:48,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) [2021-11-23 00:46:48,563 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:46:48,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:46:48,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:46:48,622 INFO L158 Benchmark]: Toolchain (without parser) took 13732.26ms. Allocated memory was 102.8MB in the beginning and 197.1MB in the end (delta: 94.4MB). Free memory was 59.4MB in the beginning and 143.9MB in the end (delta: -84.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,623 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:46:48,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.45ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 67.8MB in the end (delta: -8.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.13ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,624 INFO L158 Benchmark]: Boogie Preprocessor took 44.87ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:46:48,624 INFO L158 Benchmark]: RCFGBuilder took 667.70ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 42.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,624 INFO L158 Benchmark]: CodeCheck took 12197.82ms. Allocated memory was 102.8MB in the beginning and 197.1MB in the end (delta: 94.4MB). Free memory was 42.2MB in the beginning and 150.2MB in the end (delta: -107.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,625 INFO L158 Benchmark]: Witness Printer took 122.35ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:46:48,627 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: 11.9s, OverallIterations: 47, 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, 18639 SdHoareTripleChecker+Valid, 31.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9985 mSDsluCounter, 21516 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16732 mSDsCounter, 5638 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19633 IncrementalHoareTripleChecker+Invalid, 25271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5638 mSolverCounterUnsat, 5440 mSDtfsCounter, 19633 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19123 GetRequests, 18899 SyntacticMatches, 0 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20688 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s 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 0.27ms. Allocated memory is still 102.8MB. Free memory was 77.0MB in the beginning and 76.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.45ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 67.8MB in the end (delta: -8.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.13ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.87ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 63.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.70ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 42.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 12197.82ms. Allocated memory was 102.8MB in the beginning and 197.1MB in the end (delta: 94.4MB). Free memory was 42.2MB in the beginning and 150.2MB in the end (delta: -107.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 122.35ms. Allocated memory is still 197.1MB. Free memory was 150.2MB in the beginning and 143.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:46:48,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7dacc203-8437-4fda-8426-3ee5538da881/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE