./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/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 465164c9d6bff671f00f1c9497719b8ddd91e991 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:21:42,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:21:42,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:21:42,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:21:42,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:21:42,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:21:42,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:21:42,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:21:42,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:21:42,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:21:42,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:21:42,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:21:42,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:21:42,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:21:42,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:21:42,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:21:42,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:21:42,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:21:42,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:21:42,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:21:42,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:21:42,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:21:42,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:21:42,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:21:42,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:21:42,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:21:42,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:21:42,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:21:42,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:21:42,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:21:42,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:21:42,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:21:42,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:21:42,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:21:42,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:21:42,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:21:42,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:21:42,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:21:42,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:21:42,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:21:42,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:21:42,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:21:42,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:21:42,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:21:42,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:21:42,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:21:42,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:21:42,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:21:42,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:21:42,705 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:21:42,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:21:42,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:21:42,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:21:42,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:21:42,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:21:42,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:21:42,707 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:21:42,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:21:42,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:21:42,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:21:42,709 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:21:42,709 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:21:42,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:21:42,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:21:42,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:21:42,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:21:42,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:21:42,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:21:42,711 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:21:42,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:21:42,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:21:42,713 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_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-11-29 18:21:42,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:21:43,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:21:43,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:21:43,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:21:43,049 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:21:43,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-29 18:21:43,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/data/bb9566459/2f8625399c204b1b9772771ce3123623/FLAG8a6aabf6f [2020-11-29 18:21:43,915 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:21:43,915 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-29 18:21:43,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/data/bb9566459/2f8625399c204b1b9772771ce3123623/FLAG8a6aabf6f [2020-11-29 18:21:43,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/data/bb9566459/2f8625399c204b1b9772771ce3123623 [2020-11-29 18:21:43,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:21:43,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:21:43,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:43,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:21:43,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:21:43,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:43" (1/1) ... [2020-11-29 18:21:43,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1194da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:43, skipping insertion in model container [2020-11-29 18:21:43,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:21:43" (1/1) ... [2020-11-29 18:21:43,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:21:44,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:21:44,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:21:44,498 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:21:44,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:21:44,678 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:21:44,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44 WrapperNode [2020-11-29 18:21:44,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:21:44,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:21:44,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:21:44,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:21:44,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:21:44,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:21:44,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:21:44,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:21:44,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... [2020-11-29 18:21:44,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:21:44,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:21:44,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:21:44,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:21:44,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:21:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/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 18:21:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:21:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 18:21:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 18:21:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:21:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:21:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:21:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:21:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:21:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:21:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:21:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:21:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:21:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:21:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 18:21:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 18:21:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 18:21:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 18:21:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:21:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:21:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:21:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:21:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:21:46,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:21:46,604 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 18:21:46,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:46 BoogieIcfgContainer [2020-11-29 18:21:46,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:21:46,608 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:21:46,608 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:21:46,620 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:21:46,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:46" (1/1) ... [2020-11-29 18:21:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:21:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-11-29 18:21:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-11-29 18:21:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:21:46,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:47,052 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 18:21:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-11-29 18:21:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-11-29 18:21:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:21:47,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:47,191 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 18:21:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-11-29 18:21:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-11-29 18:21:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:21:47,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:47,347 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 18:21:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-11-29 18:21:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-29 18:21:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:21:47,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:47,818 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 18:21:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-11-29 18:21:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-11-29 18:21:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:21:47,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:47,954 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 18:21:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-11-29 18:21:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-11-29 18:21:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:21:47,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:48,066 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 18:21:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-11-29 18:21:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-11-29 18:21:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:21:48,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:48,231 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 18:21:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2020-11-29 18:21:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2020-11-29 18:21:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:21:48,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:48,889 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 18:21:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2020-11-29 18:21:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2020-11-29 18:21:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:21:48,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:49,062 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 18:21:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2020-11-29 18:21:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2020-11-29 18:21:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:21:50,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:50,735 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 18:21:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 206 transitions. [2020-11-29 18:21:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 206 transitions. [2020-11-29 18:21:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:21:51,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:51,069 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 18:21:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2020-11-29 18:21:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2020-11-29 18:21:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:21:51,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:51,236 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 18:21:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 229 transitions. [2020-11-29 18:21:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 229 transitions. [2020-11-29 18:21:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:21:51,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:51,423 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 18:21:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 235 transitions. [2020-11-29 18:21:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2020-11-29 18:21:51,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:21:51,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:51,700 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 18:21:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 236 transitions. [2020-11-29 18:21:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2020-11-29 18:21:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:21:51,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:51,849 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 18:21:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 142 states and 241 transitions. [2020-11-29 18:21:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-11-29 18:21:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:21:52,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:52,174 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 18:21:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 235 transitions. [2020-11-29 18:21:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2020-11-29 18:21:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:21:52,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:52,261 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 18:21:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 144 states and 244 transitions. [2020-11-29 18:21:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2020-11-29 18:21:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 18:21:52,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:52,353 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 18:21:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 153 states and 263 transitions. [2020-11-29 18:21:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2020-11-29 18:21:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:21:53,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:53,249 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 18:21:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:53,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 264 transitions. [2020-11-29 18:21:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2020-11-29 18:21:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:21:53,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:53,726 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 18:21:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 157 states and 271 transitions. [2020-11-29 18:21:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2020-11-29 18:21:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:21:54,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:54,727 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 18:21:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 164 states and 283 transitions. [2020-11-29 18:21:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 283 transitions. [2020-11-29 18:21:55,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:21:55,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:55,064 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 18:21:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 171 states and 299 transitions. [2020-11-29 18:21:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 299 transitions. [2020-11-29 18:21:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:21:55,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:55,792 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 18:21:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 172 states and 300 transitions. [2020-11-29 18:21:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 300 transitions. [2020-11-29 18:21:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:21:55,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:55,869 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 18:21:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 300 transitions. [2020-11-29 18:21:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2020-11-29 18:21:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:21:55,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:55,918 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 18:21:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 301 transitions. [2020-11-29 18:21:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 301 transitions. [2020-11-29 18:21:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:21:55,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:55,978 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 18:21:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 175 states and 302 transitions. [2020-11-29 18:21:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 302 transitions. [2020-11-29 18:21:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:21:56,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:21:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:21:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 191 states and 346 transitions. [2020-11-29 18:21:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 346 transitions. [2020-11-29 18:21:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:21:58,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:21:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:21:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:22:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:00,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 203 states and 376 transitions. [2020-11-29 18:22:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 376 transitions. [2020-11-29 18:22:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:22:00,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:00,307 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 18:22:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 204 states and 376 transitions. [2020-11-29 18:22:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 376 transitions. [2020-11-29 18:22:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:22:00,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:22:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 205 states and 377 transitions. [2020-11-29 18:22:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 377 transitions. [2020-11-29 18:22:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:22:00,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:22:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 206 states and 378 transitions. [2020-11-29 18:22:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 378 transitions. [2020-11-29 18:22:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:22:00,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:02,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 214 states and 399 transitions. [2020-11-29 18:22:02,754 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 399 transitions. [2020-11-29 18:22:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:22:02,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:02,791 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 18:22:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 217 states and 405 transitions. [2020-11-29 18:22:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 405 transitions. [2020-11-29 18:22:02,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:22:02,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:02,864 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 18:22:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 219 states and 409 transitions. [2020-11-29 18:22:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 409 transitions. [2020-11-29 18:22:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:22:03,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:22:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 226 states and 421 transitions. [2020-11-29 18:22:04,373 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 421 transitions. [2020-11-29 18:22:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:22:04,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:04,412 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 18:22:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 231 states and 424 transitions. [2020-11-29 18:22:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 424 transitions. [2020-11-29 18:22:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:22:05,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 237 states and 440 transitions. [2020-11-29 18:22:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 440 transitions. [2020-11-29 18:22:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:22:06,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:06,399 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 18:22:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 238 states and 441 transitions. [2020-11-29 18:22:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 441 transitions. [2020-11-29 18:22:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:22:06,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:22:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 243 states and 450 transitions. [2020-11-29 18:22:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 450 transitions. [2020-11-29 18:22:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:22:06,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:06,798 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 18:22:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 244 states and 452 transitions. [2020-11-29 18:22:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 452 transitions. [2020-11-29 18:22:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:22:07,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:22:07,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 245 states and 455 transitions. [2020-11-29 18:22:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 455 transitions. [2020-11-29 18:22:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:22:07,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:07,226 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 18:22:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 246 states and 456 transitions. [2020-11-29 18:22:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 456 transitions. [2020-11-29 18:22:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:22:07,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:22:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 247 states and 457 transitions. [2020-11-29 18:22:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 457 transitions. [2020-11-29 18:22:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:22:07,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:22:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 248 states and 460 transitions. [2020-11-29 18:22:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 460 transitions. [2020-11-29 18:22:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:22:07,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:07,823 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 18:22:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 249 states and 461 transitions. [2020-11-29 18:22:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 461 transitions. [2020-11-29 18:22:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:22:08,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:22:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 254 states and 469 transitions. [2020-11-29 18:22:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 469 transitions. [2020-11-29 18:22:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:22:08,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:22:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 255 states and 472 transitions. [2020-11-29 18:22:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 472 transitions. [2020-11-29 18:22:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:22:08,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 18:22:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 257 states and 477 transitions. [2020-11-29 18:22:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 477 transitions. [2020-11-29 18:22:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:22:09,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:22:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 260 states and 481 transitions. [2020-11-29 18:22:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 481 transitions. [2020-11-29 18:22:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:22:09,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:22:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 261 states and 482 transitions. [2020-11-29 18:22:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 482 transitions. [2020-11-29 18:22:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:22:09,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,444 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 18:22:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 262 states and 482 transitions. [2020-11-29 18:22:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 482 transitions. [2020-11-29 18:22:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:22:09,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:22:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 263 states and 483 transitions. [2020-11-29 18:22:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 483 transitions. [2020-11-29 18:22:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 18:22:09,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:22:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 266 states and 488 transitions. [2020-11-29 18:22:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 488 transitions. [2020-11-29 18:22:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 18:22:09,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 18:22:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 267 states and 489 transitions. [2020-11-29 18:22:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2020-11-29 18:22:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-29 18:22:09,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:22:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 268 states and 490 transitions. [2020-11-29 18:22:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 490 transitions. [2020-11-29 18:22:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-29 18:22:09,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 18:22:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 271 states and 495 transitions. [2020-11-29 18:22:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 495 transitions. [2020-11-29 18:22:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-29 18:22:10,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 18:22:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 273 states and 497 transitions. [2020-11-29 18:22:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 497 transitions. [2020-11-29 18:22:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-29 18:22:10,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 18:22:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 102 states and 136 transitions. [2020-11-29 18:22:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2020-11-29 18:22:10,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:22:10,204 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2020-11-29 18:22:10,221 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 18:22:10,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,839 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,839 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 18:22:10,844 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,844 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,844 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,844 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 18:22:10,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,850 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 18:22:10,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,851 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,851 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 18:22:10,852 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:22:10,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:22:10 ImpRootNode [2020-11-29 18:22:10,853 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:22:10,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:22:10,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:22:10,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:22:10,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:21:46" (3/4) ... [2020-11-29 18:22:10,872 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:22:10,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 18:22:10,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 18:22:10,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 18:22:10,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 18:22:10,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 18:22:10,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 18:22:10,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 18:22:10,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:22:10,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 18:22:10,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-29 18:22:10,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 18:22:10,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 18:22:10,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:22:10,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:22:10,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:22:10,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:22:10,951 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 18:22:10,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 18:22:11,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4039832f-d4f6-4b3f-9cae-4b199c3b97ce/bin/ukojak/witness.graphml [2020-11-29 18:22:11,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:22:11,041 INFO L168 Benchmark]: Toolchain (without parser) took 27082.65 ms. Allocated memory was 77.6 MB in the beginning and 417.3 MB in the end (delta: 339.7 MB). Free memory was 42.8 MB in the beginning and 305.4 MB in the end (delta: -262.5 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,041 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:22:11,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.32 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.6 MB in the beginning and 60.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 94.4 MB. Free memory was 60.7 MB in the beginning and 58.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,043 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 56.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:22:11,044 INFO L168 Benchmark]: RCFGBuilder took 1804.47 ms. Allocated memory is still 94.4 MB. Free memory was 56.1 MB in the beginning and 46.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,045 INFO L168 Benchmark]: CodeCheck took 24245.39 ms. Allocated memory was 94.4 MB in the beginning and 417.3 MB in the end (delta: 323.0 MB). Free memory was 46.3 MB in the beginning and 311.6 MB in the end (delta: -265.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,045 INFO L168 Benchmark]: Witness Printer took 181.11 ms. Allocated memory is still 417.3 MB. Free memory was 311.6 MB in the beginning and 305.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:22:11,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1849031392 SDtfs, 340148416 SDslu, 1874145924 SDs, 0 SdLazy, -1562724080 SolverSat, -1655838800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28851 GetRequests, 28564 SyntacticMatches, 15 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32063 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2789 NumberOfCodeBlocks, 2789 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2731 ConstructedInterpolants, 0 QuantifiedInterpolants, 260340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 52 PerfectInterpolantSequences, 1090/1123 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: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 60.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.32 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.6 MB in the beginning and 60.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.82 ms. Allocated memory is still 94.4 MB. Free memory was 60.7 MB in the beginning and 58.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.82 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 56.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1804.47 ms. Allocated memory is still 94.4 MB. Free memory was 56.1 MB in the beginning and 46.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * CodeCheck took 24245.39 ms. Allocated memory was 94.4 MB in the beginning and 417.3 MB in the end (delta: 323.0 MB). Free memory was 46.3 MB in the beginning and 311.6 MB in the end (delta: -265.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. * Witness Printer took 181.11 ms. Allocated memory is still 417.3 MB. Free memory was 311.6 MB in the beginning and 305.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...