./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:56,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:56,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:56,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:56,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:56,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:56,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:56,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:56,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:56,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:56,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:56,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:56,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:56,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:56,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:56,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:56,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:56,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:56,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:56,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:56,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:56,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:56,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:56,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:56,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:56,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:56,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:56,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:56,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:56,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:56,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:56,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:56,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:56,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:56,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:56,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:56,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:56,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:56,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:56,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:56,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:56,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:37:56,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:56,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:56,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:37:56,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:37:56,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:56,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:56,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:56,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:56,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:56,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:56,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:56,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:37:56,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:56,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:37:56,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:56,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:37:56,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:56,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:37:56,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:56,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:56,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:56,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:56,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:56,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:56,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:37:56,703 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:37:56,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:37:56,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:37:56,704 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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2021-11-23 01:37:57,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:57,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:57,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:57,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:57,076 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:57,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-11-23 01:37:57,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/data/d128dc9a1/73c70725b9a54538843036bc4d1f3da1/FLAG9c202334c [2021-11-23 01:37:57,766 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:57,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-11-23 01:37:57,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/data/d128dc9a1/73c70725b9a54538843036bc4d1f3da1/FLAG9c202334c [2021-11-23 01:37:58,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/data/d128dc9a1/73c70725b9a54538843036bc4d1f3da1 [2021-11-23 01:37:58,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:58,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:58,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:58,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:58,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:58,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a32896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58, skipping insertion in model container [2021-11-23 01:37:58,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:58,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:58,400 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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-11-23 01:37:58,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:58,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:58,545 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_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-11-23 01:37:58,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:58,574 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:58,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58 WrapperNode [2021-11-23 01:37:58,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:58,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:58,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:58,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:58,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,631 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 227 [2021-11-23 01:37:58,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:58,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:58,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:58,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:58,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:58,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:58,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:58,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:58,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:58" (1/1) ... [2021-11-23 01:37:58,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:58,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:58,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:58,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:58,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:37:58,757 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:37:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:37:58,758 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:37:58,758 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:37:58,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:37:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:37:58,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:37:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:37:58,759 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:37:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 01:37:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 01:37:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:37:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:37:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:37:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:58,833 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:58,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:59,146 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:59,209 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:59,210 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:37:59,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:59 BoogieIcfgContainer [2021-11-23 01:37:59,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:59,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:59,216 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:59,227 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:59,227 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:59" (1/1) ... [2021-11-23 01:37:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2021-11-23 01:37:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2021-11-23 01:37:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:37:59,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:59,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-23 01:37:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-23 01:37:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:37:59,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:59,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2021-11-23 01:37:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2021-11-23 01:37:59,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:59,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:59,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2021-11-23 01:38:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2021-11-23 01:38:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:00,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2021-11-23 01:38:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-11-23 01:38:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:38:00,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2021-11-23 01:38:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2021-11-23 01:38:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:38:00,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2021-11-23 01:38:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2021-11-23 01:38:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:38:00,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2021-11-23 01:38:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2021-11-23 01:38:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:38:00,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:00,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2021-11-23 01:38:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2021-11-23 01:38:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:38:01,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2021-11-23 01:38:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2021-11-23 01:38:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:38:01,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2021-11-23 01:38:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2021-11-23 01:38:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:38:01,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 201 transitions. [2021-11-23 01:38:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2021-11-23 01:38:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:38:02,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 128 states and 215 transitions. [2021-11-23 01:38:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 215 transitions. [2021-11-23 01:38:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:38:02,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 216 transitions. [2021-11-23 01:38:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 216 transitions. [2021-11-23 01:38:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:38:02,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 130 states and 218 transitions. [2021-11-23 01:38:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2021-11-23 01:38:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:38:02,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 219 transitions. [2021-11-23 01:38:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2021-11-23 01:38:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:38:02,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 134 states and 226 transitions. [2021-11-23 01:38:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-23 01:38:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:38:02,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 239 transitions. [2021-11-23 01:38:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 239 transitions. [2021-11-23 01:38:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:38:03,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:03,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 246 transitions. [2021-11-23 01:38:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2021-11-23 01:38:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:38:03,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:03,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 145 states and 247 transitions. [2021-11-23 01:38:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 247 transitions. [2021-11-23 01:38:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:38:03,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:03,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 254 transitions. [2021-11-23 01:38:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 254 transitions. [2021-11-23 01:38:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:38:04,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 152 states and 264 transitions. [2021-11-23 01:38:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 264 transitions. [2021-11-23 01:38:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:38:04,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 156 states and 271 transitions. [2021-11-23 01:38:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2021-11-23 01:38:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:38:04,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,040 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 01:38:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 164 states and 283 transitions. [2021-11-23 01:38:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 283 transitions. [2021-11-23 01:38:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:38:05,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:05,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,307 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 01:38:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 165 states and 284 transitions. [2021-11-23 01:38:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 284 transitions. [2021-11-23 01:38:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:38:05,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:05,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:05,420 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 01:38:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 182 states and 323 transitions. [2021-11-23 01:38:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 323 transitions. [2021-11-23 01:38:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:38:06,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:06,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:38:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 184 states and 325 transitions. [2021-11-23 01:38:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 325 transitions. [2021-11-23 01:38:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:38:07,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:07,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:38:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 196 states and 352 transitions. [2021-11-23 01:38:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 352 transitions. [2021-11-23 01:38:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:08,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:38:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 199 states and 356 transitions. [2021-11-23 01:38:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 356 transitions. [2021-11-23 01:38:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:38:08,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:38:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 200 states and 357 transitions. [2021-11-23 01:38:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 357 transitions. [2021-11-23 01:38:08,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:38:08,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:08,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:38:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 208 states and 375 transitions. [2021-11-23 01:38:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 375 transitions. [2021-11-23 01:38:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:38:09,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:09,277 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 01:38:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 209 states and 376 transitions. [2021-11-23 01:38:09,383 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 376 transitions. [2021-11-23 01:38:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:38:09,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:38:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 213 states and 378 transitions. [2021-11-23 01:38:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 378 transitions. [2021-11-23 01:38:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:38:09,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:38:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 214 states and 379 transitions. [2021-11-23 01:38:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 379 transitions. [2021-11-23 01:38:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:38:09,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:09,880 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 01:38:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 215 states and 380 transitions. [2021-11-23 01:38:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 380 transitions. [2021-11-23 01:38:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:38:09,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:09,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:38:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 216 states and 381 transitions. [2021-11-23 01:38:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 381 transitions. [2021-11-23 01:38:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:38:10,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:38:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 217 states and 384 transitions. [2021-11-23 01:38:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 384 transitions. [2021-11-23 01:38:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:38:10,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:10,347 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 01:38:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 223 states and 393 transitions. [2021-11-23 01:38:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 393 transitions. [2021-11-23 01:38:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:38:10,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:38:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 229 states and 405 transitions. [2021-11-23 01:38:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 405 transitions. [2021-11-23 01:38:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:38:10,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:10,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,004 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:38:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 230 states and 406 transitions. [2021-11-23 01:38:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 406 transitions. [2021-11-23 01:38:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:38:11,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,087 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 01:38:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 231 states and 407 transitions. [2021-11-23 01:38:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 407 transitions. [2021-11-23 01:38:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:38:11,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,133 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 01:38:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 232 states and 410 transitions. [2021-11-23 01:38:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 410 transitions. [2021-11-23 01:38:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:38:11,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,412 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 01:38:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 235 states and 415 transitions. [2021-11-23 01:38:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 415 transitions. [2021-11-23 01:38:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:38:11,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:38:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 238 states and 419 transitions. [2021-11-23 01:38:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 419 transitions. [2021-11-23 01:38:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:38:11,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:38:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 241 states and 424 transitions. [2021-11-23 01:38:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 424 transitions. [2021-11-23 01:38:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:38:11,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:38:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 242 states and 425 transitions. [2021-11-23 01:38:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 425 transitions. [2021-11-23 01:38:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:38:11,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,757 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:38:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 243 states and 426 transitions. [2021-11-23 01:38:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 426 transitions. [2021-11-23 01:38:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:38:11,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:38:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 244 states and 427 transitions. [2021-11-23 01:38:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 427 transitions. [2021-11-23 01:38:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:38:11,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:38:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 86 states and 115 transitions. [2021-11-23 01:38:11,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2021-11-23 01:38:11,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:38:11,930 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2021-11-23 01:38:11,948 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:38:12,230 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-23 01:38:12,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,242 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:38:12,243 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,243 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:38:12,243 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,244 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:38:12,245 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,245 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:12,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:38:12 ImpRootNode [2021-11-23 01:38:12,245 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:38:12,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:38:12,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:38:12,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:38:12,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:59" (3/4) ... [2021-11-23 01:38:12,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:38:12,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 01:38:12,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:38:12,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:38:12,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:38:12,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:38:12,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:38:12,256 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:38:12,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2021-11-23 01:38:12,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 01:38:12,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:38:12,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:38:12,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:38:12,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:38:12,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:38:12,301 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(1 == systemActive)) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-23 01:38:12,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || methaneLevelCritical == 0 [2021-11-23 01:38:12,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:38:12,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:38:12,361 INFO L158 Benchmark]: Toolchain (without parser) took 14281.70ms. Allocated memory was 104.9MB in the beginning and 247.5MB in the end (delta: 142.6MB). Free memory was 64.8MB in the beginning and 179.2MB in the end (delta: -114.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,361 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 74.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:12,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.31ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 64.6MB in the beginning and 108.2MB in the end (delta: -43.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.27ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 105.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,362 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:12,363 INFO L158 Benchmark]: RCFGBuilder took 549.06ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 85.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,363 INFO L158 Benchmark]: CodeCheck took 13030.25ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 85.1MB in the beginning and 184.5MB in the end (delta: -99.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,364 INFO L158 Benchmark]: Witness Printer took 113.53ms. Allocated memory is still 247.5MB. Free memory was 184.5MB in the beginning and 179.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:12,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 49, 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, 19022 SdHoareTripleChecker+Valid, 35.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10627 mSDsluCounter, 22164 SdHoareTripleChecker+Invalid, 28.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17542 mSDsCounter, 6687 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21898 IncrementalHoareTripleChecker+Invalid, 28585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6687 mSolverCounterUnsat, 5428 mSDtfsCounter, 21898 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20181 GetRequests, 19945 SyntacticMatches, 8 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21852 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2117 NumberOfCodeBlocks, 2117 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2069 ConstructedInterpolants, 0 QuantifiedInterpolants, 3900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 40 PerfectInterpolantSequences, 755/786 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: 695]: 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: 776]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(1 == systemActive)) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || methaneLevelCritical == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 74.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.31ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 64.6MB in the beginning and 108.2MB in the end (delta: -43.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.27ms. Allocated memory is still 134.2MB. Free memory was 108.2MB in the beginning and 105.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 134.2MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.06ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 85.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 13030.25ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 85.1MB in the beginning and 184.5MB in the end (delta: -99.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 113.53ms. Allocated memory is still 247.5MB. Free memory was 184.5MB in the beginning and 179.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:38:12,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e7e2c3-65b7-4117-b434-7f959ab9c2d8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE