./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak --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 a22bfa4730ddab21776840b89a04f286cc468614 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:04:16,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:04:16,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:04:16,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:04:16,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:04:16,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:04:16,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:04:16,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:04:16,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:04:16,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:04:16,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:04:16,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:04:16,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:04:16,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:04:16,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:04:16,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:04:16,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:04:16,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:04:16,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:04:16,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:04:16,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:04:16,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:04:16,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:04:16,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:04:16,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:04:16,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:04:16,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:04:16,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:04:16,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:04:16,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:04:16,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:04:16,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:04:16,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:04:16,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:04:16,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:04:16,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:04:16,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:04:16,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:04:16,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:04:16,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:04:16,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:04:16,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:04:16,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:04:16,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:04:16,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:04:16,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:04:16,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:04:16,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:04:16,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:04:16,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:04:16,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:04:16,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:04:16,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:04:16,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:04:16,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:04:16,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:04:16,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:04:16,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:04:16,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:04:16,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:04:16,804 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:04:16,804 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:04:16,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:04:16,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:04:16,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:04:16,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:04:16,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:04:16,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:04:16,805 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:04:16,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:04:16,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:04:16,807 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-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22bfa4730ddab21776840b89a04f286cc468614 [2020-11-29 21:04:17,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:04:17,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:04:17,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:04:17,190 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:04:17,191 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:04:17,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-11-29 21:04:17,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/data/fe668a173/204c1ac00cb94c69856dcf6204905c84/FLAGe527f7ccc [2020-11-29 21:04:17,875 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:04:17,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-11-29 21:04:17,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/data/fe668a173/204c1ac00cb94c69856dcf6204905c84/FLAGe527f7ccc [2020-11-29 21:04:18,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/data/fe668a173/204c1ac00cb94c69856dcf6204905c84 [2020-11-29 21:04:18,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:04:18,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:04:18,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:04:18,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:04:18,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:04:18,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eedcc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18, skipping insertion in model container [2020-11-29 21:04:18,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:04:18,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:04:18,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:04:18,574 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:04:18,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:04:18,702 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:04:18,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18 WrapperNode [2020-11-29 21:04:18,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:04:18,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:04:18,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:04:18,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:04:18,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:04:18,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:04:18,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:04:18,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:04:18,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... [2020-11-29 21:04:18,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:04:18,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:04:18,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:04:18,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:04:18,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:04:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:04:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:04:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:04:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:04:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:04:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:04:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:04:18,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:04:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:04:18,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:04:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:04:18,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:04:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:04:18,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:04:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:04:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:04:18,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:04:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:04:18,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:04:20,420 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:04:20,420 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 21:04:20,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:04:20 BoogieIcfgContainer [2020-11-29 21:04:20,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:04:20,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:04:20,424 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:04:20,435 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:04:20,436 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:04:20" (1/1) ... [2020-11-29 21:04:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2020-11-29 21:04:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-29 21:04:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:04:20,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-29 21:04:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 21:04:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:04:20,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-11-29 21:04:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-11-29 21:04:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:04:21,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2020-11-29 21:04:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2020-11-29 21:04:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:04:21,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 70 states and 100 transitions. [2020-11-29 21:04:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2020-11-29 21:04:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:04:21,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:22,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 86 states and 134 transitions. [2020-11-29 21:04:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2020-11-29 21:04:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:04:22,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2020-11-29 21:04:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2020-11-29 21:04:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:04:22,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 173 transitions. [2020-11-29 21:04:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-11-29 21:04:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:04:23,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 174 transitions. [2020-11-29 21:04:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2020-11-29 21:04:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:04:23,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:24,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 186 transitions. [2020-11-29 21:04:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2020-11-29 21:04:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:04:24,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 111 states and 187 transitions. [2020-11-29 21:04:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2020-11-29 21:04:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:04:24,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 198 transitions. [2020-11-29 21:04:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2020-11-29 21:04:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:04:24,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 121 states and 204 transitions. [2020-11-29 21:04:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2020-11-29 21:04:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 21:04:24,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:04:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 211 transitions. [2020-11-29 21:04:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2020-11-29 21:04:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:04:25,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:04:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 128 states and 221 transitions. [2020-11-29 21:04:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 221 transitions. [2020-11-29 21:04:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:04:25,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2020-11-29 21:04:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2020-11-29 21:04:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:04:25,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:04:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 132 states and 227 transitions. [2020-11-29 21:04:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 227 transitions. [2020-11-29 21:04:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 21:04:25,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 138 states and 240 transitions. [2020-11-29 21:04:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2020-11-29 21:04:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:04:25,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 241 transitions. [2020-11-29 21:04:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2020-11-29 21:04:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:04:25,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:04:27,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 264 transitions. [2020-11-29 21:04:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2020-11-29 21:04:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:04:27,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 270 transitions. [2020-11-29 21:04:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2020-11-29 21:04:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:04:28,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 273 transitions. [2020-11-29 21:04:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2020-11-29 21:04:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:04:28,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:04:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 151 states and 274 transitions. [2020-11-29 21:04:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 274 transitions. [2020-11-29 21:04:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:04:28,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 158 states and 289 transitions. [2020-11-29 21:04:29,623 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 289 transitions. [2020-11-29 21:04:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 21:04:29,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:04:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 159 states and 291 transitions. [2020-11-29 21:04:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 291 transitions. [2020-11-29 21:04:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:04:29,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:04:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 167 states and 305 transitions. [2020-11-29 21:04:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 305 transitions. [2020-11-29 21:04:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:04:30,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:30,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:04:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 183 states and 343 transitions. [2020-11-29 21:04:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 343 transitions. [2020-11-29 21:04:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:04:32,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:04:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 184 states and 344 transitions. [2020-11-29 21:04:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 344 transitions. [2020-11-29 21:04:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:04:32,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:04:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 196 states and 381 transitions. [2020-11-29 21:04:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 381 transitions. [2020-11-29 21:04:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:04:34,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:04:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 204 states and 399 transitions. [2020-11-29 21:04:36,274 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 399 transitions. [2020-11-29 21:04:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:04:36,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:04:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 206 states and 406 transitions. [2020-11-29 21:04:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 406 transitions. [2020-11-29 21:04:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:04:36,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:04:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 209 states and 410 transitions. [2020-11-29 21:04:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 410 transitions. [2020-11-29 21:04:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:04:36,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:04:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 210 states and 411 transitions. [2020-11-29 21:04:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 411 transitions. [2020-11-29 21:04:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:04:36,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:04:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 216 states and 419 transitions. [2020-11-29 21:04:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 419 transitions. [2020-11-29 21:04:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:04:38,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:04:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 217 states and 420 transitions. [2020-11-29 21:04:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 420 transitions. [2020-11-29 21:04:38,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 21:04:38,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:04:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 220 states and 416 transitions. [2020-11-29 21:04:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 416 transitions. [2020-11-29 21:04:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 21:04:39,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:04:40,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 228 states and 432 transitions. [2020-11-29 21:04:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 432 transitions. [2020-11-29 21:04:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:04:40,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:04:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 229 states and 435 transitions. [2020-11-29 21:04:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 435 transitions. [2020-11-29 21:04:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:04:40,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:04:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 235 states and 444 transitions. [2020-11-29 21:04:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 444 transitions. [2020-11-29 21:04:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:04:41,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 21:04:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 236 states and 445 transitions. [2020-11-29 21:04:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 445 transitions. [2020-11-29 21:04:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 21:04:41,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:04:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 241 states and 453 transitions. [2020-11-29 21:04:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 453 transitions. [2020-11-29 21:04:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:04:41,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 21:04:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 242 states and 454 transitions. [2020-11-29 21:04:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 454 transitions. [2020-11-29 21:04:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:04:41,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:04:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 243 states and 457 transitions. [2020-11-29 21:04:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 457 transitions. [2020-11-29 21:04:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:04:42,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:04:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 244 states and 458 transitions. [2020-11-29 21:04:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 458 transitions. [2020-11-29 21:04:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:04:42,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:04:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 247 states and 463 transitions. [2020-11-29 21:04:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 463 transitions. [2020-11-29 21:04:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 21:04:42,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:04:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 250 states and 467 transitions. [2020-11-29 21:04:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 467 transitions. [2020-11-29 21:04:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 21:04:42,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 21:04:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 253 states and 470 transitions. [2020-11-29 21:04:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 470 transitions. [2020-11-29 21:04:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 21:04:42,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 21:04:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 254 states and 471 transitions. [2020-11-29 21:04:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 471 transitions. [2020-11-29 21:04:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 21:04:42,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:04:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 255 states and 472 transitions. [2020-11-29 21:04:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 472 transitions. [2020-11-29 21:04:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 21:04:42,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:04:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-29 21:04:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:04:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 88 states and 120 transitions. [2020-11-29 21:04:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-29 21:04:42,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:04:42,787 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2020-11-29 21:04:42,795 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:04:43,256 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,260 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,261 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,262 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 21:04:43,269 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,272 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,272 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,272 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:04:43,274 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:04:43,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:04:43 ImpRootNode [2020-11-29 21:04:43,275 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:04:43,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:04:43,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:04:43,279 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:04:43,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:04:20" (3/4) ... [2020-11-29 21:04:43,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:04:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:04:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:04:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:04:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:04:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:04:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:04:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:04:43,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-29 21:04:43,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 21:04:43,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:04:43,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:04:43,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:04:43,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:04:43,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:04:43,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-29 21:04:43,398 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba09d0c3-d15c-4fa7-b8d3-eb3c6b1d6351/bin/ukojak/witness.graphml [2020-11-29 21:04:43,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:04:43,400 INFO L168 Benchmark]: Toolchain (without parser) took 25238.63 ms. Allocated memory was 86.0 MB in the beginning and 341.8 MB in the end (delta: 255.9 MB). Free memory was 54.6 MB in the beginning and 163.8 MB in the end (delta: -109.1 MB). Peak memory consumption was 147.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,400 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:04:43,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.71 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 54.6 MB in the end (delta: -126.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.13 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 52.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,401 INFO L168 Benchmark]: Boogie Preprocessor took 34.99 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,402 INFO L168 Benchmark]: RCFGBuilder took 1614.36 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.0 MB in the beginning and 77.0 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,402 INFO L168 Benchmark]: CodeCheck took 22851.55 ms. Allocated memory was 109.1 MB in the beginning and 341.8 MB in the end (delta: 232.8 MB). Free memory was 77.0 MB in the beginning and 169.0 MB in the end (delta: -92.0 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,403 INFO L168 Benchmark]: Witness Printer took 122.33 ms. Allocated memory is still 341.8 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:43,406 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. VerificationResult: SAFE, OverallTime: 22.3s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1775441160 SDtfs, 666127176 SDslu, 2090987540 SDs, 0 SdLazy, -158020988 SolverSat, -14558512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22743 GetRequests, 22448 SyntacticMatches, 23 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33793 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2146 NumberOfCodeBlocks, 2146 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2097 ConstructedInterpolants, 0 QuantifiedInterpolants, 185310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 43 PerfectInterpolantSequences, 758/786 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 538.71 ms. Allocated memory is still 86.0 MB. Free memory was 54.5 MB in the beginning and 54.6 MB in the end (delta: -126.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.13 ms. Allocated memory is still 86.0 MB. Free memory was 54.2 MB in the beginning and 52.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.99 ms. Allocated memory is still 86.0 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1614.36 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.0 MB in the beginning and 77.0 MB in the end (delta: -27.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * CodeCheck took 22851.55 ms. Allocated memory was 109.1 MB in the beginning and 341.8 MB in the end (delta: 232.8 MB). Free memory was 77.0 MB in the beginning and 169.0 MB in the end (delta: -92.0 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. * Witness Printer took 122.33 ms. Allocated memory is still 341.8 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...