./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:48:32,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:48:32,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:48:32,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:48:32,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:48:32,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:48:32,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:48:32,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:48:32,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:48:32,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:48:32,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:48:32,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:48:32,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:48:32,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:48:32,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:48:32,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:48:32,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:48:32,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:48:32,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:48:32,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:48:32,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:48:32,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:48:32,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:48:32,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:48:32,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:48:32,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:48:32,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:48:32,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:48:32,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:48:32,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:48:32,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:48:32,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:48:32,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:48:32,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:48:32,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:48:32,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:48:32,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:48:32,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:48:32,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:48:32,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:48:32,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:48:32,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:48:32,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:48:32,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:48:32,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:48:32,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:48:32,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:48:32,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:48:32,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:48:32,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:48:32,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:48:32,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:48:32,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:48:32,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:48:32,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:48:32,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:48:32,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:48:32,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:48:32,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:48:32,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:48:32,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:48:32,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:48:32,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:48:32,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:32,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:48:32,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:48:32,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:48:32,801 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:48:32,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:48:32,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:48:32,802 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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2021-11-23 00:48:33,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:48:33,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:48:33,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:48:33,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:48:33,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:48:33,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-11-23 00:48:33,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/data/e493a3877/5996298ecf7a40fda9a0cb3376ca7da6/FLAG8daf83d02 [2021-11-23 00:48:33,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:48:33,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-11-23 00:48:33,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/data/e493a3877/5996298ecf7a40fda9a0cb3376ca7da6/FLAG8daf83d02 [2021-11-23 00:48:34,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/data/e493a3877/5996298ecf7a40fda9a0cb3376ca7da6 [2021-11-23 00:48:34,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:48:34,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:48:34,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:34,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:48:34,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:48:34,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb5fca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34, skipping insertion in model container [2021-11-23 00:48:34,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:48:34,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:48:34,502 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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2021-11-23 00:48:34,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:34,549 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:48:34,603 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_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2021-11-23 00:48:34,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:48:34,643 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:48:34,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34 WrapperNode [2021-11-23 00:48:34,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:48:34,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:34,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:48:34,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:48:34,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,717 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 239 [2021-11-23 00:48:34,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:48:34,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:48:34,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:48:34,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:48:34,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:48:34,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:48:34,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:48:34,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:48:34,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:48:34" (1/1) ... [2021-11-23 00:48:34,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:48:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:48:34,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:48:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:48:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:48:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:48:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:48:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:48:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:48:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:48:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:48:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:48:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:48:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:48:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:48:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:48:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:48:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:48:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:48:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:48:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:48:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:48:34,976 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:48:34,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:48:35,346 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:48:35,400 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:48:35,401 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:48:35,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35 BoogieIcfgContainer [2021-11-23 00:48:35,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:48:35,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:48:35,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:48:35,415 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:48:35,415 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35" (1/1) ... [2021-11-23 00:48:35,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:48:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2021-11-23 00:48:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2021-11-23 00:48:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:48:35,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,705 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 00:48:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2021-11-23 00:48:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2021-11-23 00:48:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:48:35,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:35,903 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 00:48:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 68 states and 90 transitions. [2021-11-23 00:48:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2021-11-23 00:48:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:48:35,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:35,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,021 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 00:48:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 71 states and 96 transitions. [2021-11-23 00:48:36,072 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2021-11-23 00:48:36,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:48:36,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,124 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 00:48:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2021-11-23 00:48:36,270 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-11-23 00:48:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:48:36,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,324 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 00:48:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 80 states and 111 transitions. [2021-11-23 00:48:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2021-11-23 00:48:36,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:48:36,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,434 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 00:48:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 81 states and 112 transitions. [2021-11-23 00:48:36,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2021-11-23 00:48:36,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:48:36,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:36,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:36,616 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 00:48:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 98 states and 146 transitions. [2021-11-23 00:48:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2021-11-23 00:48:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:48:37,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:37,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:37,249 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 00:48:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 99 states and 147 transitions. [2021-11-23 00:48:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2021-11-23 00:48:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:48:37,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:37,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:37,391 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 00:48:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 182 transitions. [2021-11-23 00:48:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2021-11-23 00:48:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:48:38,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:38,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:38,615 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 00:48:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 122 states and 188 transitions. [2021-11-23 00:48:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 188 transitions. [2021-11-23 00:48:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:48:38,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:38,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:38,788 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 00:48:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 201 transitions. [2021-11-23 00:48:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 201 transitions. [2021-11-23 00:48:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:48:38,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:38,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:38,894 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 00:48:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 132 states and 210 transitions. [2021-11-23 00:48:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions. [2021-11-23 00:48:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:48:38,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:38,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:38,983 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 00:48:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 211 transitions. [2021-11-23 00:48:38,998 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2021-11-23 00:48:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:48:39,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:39,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:39,099 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 00:48:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 140 states and 229 transitions. [2021-11-23 00:48:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 229 transitions. [2021-11-23 00:48:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:48:39,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:39,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:39,293 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 00:48:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:39,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 234 transitions. [2021-11-23 00:48:39,519 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2021-11-23 00:48:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:48:39,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:39,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:39,553 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 00:48:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 228 transitions. [2021-11-23 00:48:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2021-11-23 00:48:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:48:39,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:39,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:39,601 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 00:48:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 246 transitions. [2021-11-23 00:48:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 246 transitions. [2021-11-23 00:48:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:48:40,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:40,114 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 00:48:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 150 states and 247 transitions. [2021-11-23 00:48:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2021-11-23 00:48:40,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:48:40,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:40,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:40,410 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 00:48:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 153 states and 253 transitions. [2021-11-23 00:48:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 253 transitions. [2021-11-23 00:48:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:48:41,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,074 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 00:48:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 160 states and 268 transitions. [2021-11-23 00:48:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-23 00:48:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:48:41,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,666 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 00:48:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 161 states and 270 transitions. [2021-11-23 00:48:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-23 00:48:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:48:41,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,742 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 00:48:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 169 states and 282 transitions. [2021-11-23 00:48:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 282 transitions. [2021-11-23 00:48:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:48:41,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,901 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 00:48:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 170 states and 284 transitions. [2021-11-23 00:48:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 284 transitions. [2021-11-23 00:48:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:48:41,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:41,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:41,991 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 00:48:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 171 states and 285 transitions. [2021-11-23 00:48:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2021-11-23 00:48:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:48:42,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:42,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:42,085 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 00:48:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 188 states and 319 transitions. [2021-11-23 00:48:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 319 transitions. [2021-11-23 00:48:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:48:43,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:43,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:43,649 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 00:48:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 198 states and 338 transitions. [2021-11-23 00:48:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 338 transitions. [2021-11-23 00:48:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:48:44,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:44,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,006 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 00:48:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 199 states and 339 transitions. [2021-11-23 00:48:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 339 transitions. [2021-11-23 00:48:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:48:45,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:45,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,050 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 00:48:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 342 transitions. [2021-11-23 00:48:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 342 transitions. [2021-11-23 00:48:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:48:45,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:45,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,113 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 00:48:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 203 states and 343 transitions. [2021-11-23 00:48:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 343 transitions. [2021-11-23 00:48:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:48:45,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:45,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,166 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 00:48:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 204 states and 346 transitions. [2021-11-23 00:48:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 346 transitions. [2021-11-23 00:48:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:48:45,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:45,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:45,652 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 00:48:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 355 transitions. [2021-11-23 00:48:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 355 transitions. [2021-11-23 00:48:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:48:46,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:46,062 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 00:48:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 217 states and 366 transitions. [2021-11-23 00:48:46,766 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2021-11-23 00:48:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:48:46,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:46,797 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 00:48:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 218 states and 367 transitions. [2021-11-23 00:48:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 367 transitions. [2021-11-23 00:48:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:48:46,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:46,845 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 00:48:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 224 states and 376 transitions. [2021-11-23 00:48:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 376 transitions. [2021-11-23 00:48:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:48:46,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:46,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,011 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 00:48:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 225 states and 377 transitions. [2021-11-23 00:48:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 377 transitions. [2021-11-23 00:48:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:48:47,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,059 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 00:48:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 226 states and 380 transitions. [2021-11-23 00:48:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 380 transitions. [2021-11-23 00:48:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:48:47,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,384 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 00:48:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 229 states and 383 transitions. [2021-11-23 00:48:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 383 transitions. [2021-11-23 00:48:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:48:47,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,443 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 00:48:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 232 states and 387 transitions. [2021-11-23 00:48:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 387 transitions. [2021-11-23 00:48:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:48:47,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,495 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 00:48:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 233 states and 388 transitions. [2021-11-23 00:48:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2021-11-23 00:48:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:48:47,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,547 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 00:48:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 236 states and 393 transitions. [2021-11-23 00:48:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 393 transitions. [2021-11-23 00:48:47,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:48:47,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 00:48:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 237 states and 394 transitions. [2021-11-23 00:48:47,623 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 394 transitions. [2021-11-23 00:48:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:48:47,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:47,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:47,660 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 00:48:47,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 103 states and 136 transitions. [2021-11-23 00:48:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 136 transitions. [2021-11-23 00:48:47,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:48:47,679 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2021-11-23 00:48:47,693 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:48:47,967 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,972 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2021-11-23 00:48:47,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,979 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:48:47,981 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:48:47,982 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,982 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,987 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:48:47,988 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:48:47,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:48:47 ImpRootNode [2021-11-23 00:48:47,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:48:47,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:48:47,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:48:47,990 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:48:47,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:48:35" (3/4) ... [2021-11-23 00:48:47,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:48:47,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:48:47,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:48:47,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:48:47,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:48:47,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:48:47,999 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:48:48,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:48:48,000 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:48:48,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-23 00:48:48,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:48:48,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:48:48,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:48:48,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:48:48,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:48:48,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:48:48,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) [2021-11-23 00:48:48,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:48:48,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:48:48,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:48:48,115 INFO L158 Benchmark]: Toolchain (without parser) took 13958.52ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 60.8MB in the beginning and 104.9MB in the end (delta: -44.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,115 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:48:48,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.93ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 67.7MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.06ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,116 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:48:48,117 INFO L158 Benchmark]: RCFGBuilder took 637.33ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 43.6MB in the end (delta: 20.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,117 INFO L158 Benchmark]: CodeCheck took 12584.60ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 43.6MB in the beginning and 111.1MB in the end (delta: -67.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,117 INFO L158 Benchmark]: Witness Printer took 124.56ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 104.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:48:48,119 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 43, 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, 16223 SdHoareTripleChecker+Valid, 28.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8222 mSDsluCounter, 17939 SdHoareTripleChecker+Invalid, 23.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13494 mSDsCounter, 5584 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18891 IncrementalHoareTripleChecker+Invalid, 24475 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5584 mSolverCounterUnsat, 5029 mSDtfsCounter, 18891 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17359 GetRequests, 17127 SyntacticMatches, 6 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20781 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1809 NumberOfCodeBlocks, 1809 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1767 ConstructedInterpolants, 0 QuantifiedInterpolants, 3627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 37 PerfectInterpolantSequences, 603/630 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: 544]: 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: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.93ms. Allocated memory is still 100.7MB. Free memory was 60.7MB in the beginning and 67.7MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.06ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 637.33ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 43.6MB in the end (delta: 20.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 12584.60ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 43.6MB in the beginning and 111.1MB in the end (delta: -67.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Witness Printer took 124.56ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 104.9MB 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 00:48:48,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78a605dd-9962-40ab-ab9f-cdcc6ff51a93/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