./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:13:42,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:42,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:42,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:42,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:42,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:42,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:42,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:42,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:42,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:42,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:42,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:42,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:42,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:42,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:42,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:42,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:42,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:42,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:42,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:42,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:42,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:42,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:42,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:42,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:42,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:42,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:42,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:42,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:42,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:42,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:42,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:42,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:42,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:42,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:42,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:42,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:42,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:42,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:42,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:42,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:42,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:13:42,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:42,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:42,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:42,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:42,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:42,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:42,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:42,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:42,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:42,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:42,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:42,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:42,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:42,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:42,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:42,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:42,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:42,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:42,601 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:42,601 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:42,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:42,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:42,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:42,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:42,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:42,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:42,604 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:42,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:42,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:42,605 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_fcb5e174-26a1-4477-b74d-003b1a73520d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-12-01 16:13:42,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:42,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:42,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:42,968 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:42,969 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:42,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-12-01 16:13:43,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/data/41cf297f4/ae0972a05790437989f5452982e853d7/FLAGfdd1de4eb [2020-12-01 16:13:43,723 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:43,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-12-01 16:13:43,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/data/41cf297f4/ae0972a05790437989f5452982e853d7/FLAGfdd1de4eb [2020-12-01 16:13:43,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/data/41cf297f4/ae0972a05790437989f5452982e853d7 [2020-12-01 16:13:44,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:44,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:44,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:44,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:44,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:44,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:43" (1/1) ... [2020-12-01 16:13:44,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0af51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44, skipping insertion in model container [2020-12-01 16:13:44,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:43" (1/1) ... [2020-12-01 16:13:44,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:44,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:44,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:44,506 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:44,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:44,684 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:44,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44 WrapperNode [2020-12-01 16:13:44,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:44,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:44,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:44,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:44,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:44,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:44,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:44,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:44,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... [2020-12-01 16:13:44,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:44,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:44,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:44,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:44,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/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 [2020-12-01 16:13:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:13:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:13:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:13:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:13:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:13:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:13:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:13:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:13:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:13:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:13:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:13:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:13:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:13:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:13:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:13:46,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:13:46,406 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:13:46,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46 BoogieIcfgContainer [2020-12-01 16:13:46,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:13:46,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:13:46,411 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:13:46,422 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:13:46,422 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:13:46,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 16:13:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 16:13:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:13:46,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 16:13:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 16:13:46,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:13:46,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 16:13:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 16:13:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:13:46,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-12-01 16:13:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-12-01 16:13:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:13:47,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-12-01 16:13:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-12-01 16:13:47,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:13:47,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-12-01 16:13:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-12-01 16:13:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:13:47,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2020-12-01 16:13:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2020-12-01 16:13:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:13:48,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2020-12-01 16:13:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2020-12-01 16:13:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:48,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 102 states and 171 transitions. [2020-12-01 16:13:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 171 transitions. [2020-12-01 16:13:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:49,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 105 states and 178 transitions. [2020-12-01 16:13:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2020-12-01 16:13:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:13:49,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2020-12-01 16:13:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2020-12-01 16:13:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:49,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 112 states and 193 transitions. [2020-12-01 16:13:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2020-12-01 16:13:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:13:49,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 201 transitions. [2020-12-01 16:13:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2020-12-01 16:13:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:13:50,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 118 states and 202 transitions. [2020-12-01 16:13:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 202 transitions. [2020-12-01 16:13:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:50,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 213 transitions. [2020-12-01 16:13:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2020-12-01 16:13:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:13:50,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 214 transitions. [2020-12-01 16:13:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 214 transitions. [2020-12-01 16:13:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:13:50,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:13:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 128 states and 221 transitions. [2020-12-01 16:13:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 221 transitions. [2020-12-01 16:13:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:13:50,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 239 transitions. [2020-12-01 16:13:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 239 transitions. [2020-12-01 16:13:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:13:51,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 138 states and 241 transitions. [2020-12-01 16:13:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 241 transitions. [2020-12-01 16:13:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:13:51,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:13:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 263 transitions. [2020-12-01 16:13:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2020-12-01 16:13:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:13:53,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 146 states and 266 transitions. [2020-12-01 16:13:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2020-12-01 16:13:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:13:53,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:13:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 147 states and 267 transitions. [2020-12-01 16:13:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 267 transitions. [2020-12-01 16:13:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:13:54,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 151 states and 277 transitions. [2020-12-01 16:13:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2020-12-01 16:13:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:13:54,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:13:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 155 states and 284 transitions. [2020-12-01 16:13:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 284 transitions. [2020-12-01 16:13:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:13:54,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:13:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 163 states and 298 transitions. [2020-12-01 16:13:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2020-12-01 16:13:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:13:55,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:13:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 180 states and 338 transitions. [2020-12-01 16:13:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 338 transitions. [2020-12-01 16:13:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:13:57,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:13:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 181 states and 339 transitions. [2020-12-01 16:13:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 339 transitions. [2020-12-01 16:13:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:13:57,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:13:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 192 states and 369 transitions. [2020-12-01 16:13:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 369 transitions. [2020-12-01 16:13:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:13:58,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:13:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:14:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 204 states and 406 transitions. [2020-12-01 16:14:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 406 transitions. [2020-12-01 16:14:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:14:00,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:14:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 206 states and 410 transitions. [2020-12-01 16:14:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 410 transitions. [2020-12-01 16:14:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:14:01,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:14:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 214 states and 422 transitions. [2020-12-01 16:14:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 422 transitions. [2020-12-01 16:14:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:14:03,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 222 states and 442 transitions. [2020-12-01 16:14:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 442 transitions. [2020-12-01 16:14:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:14:03,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 228 states and 450 transitions. [2020-12-01 16:14:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 450 transitions. [2020-12-01 16:14:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:14:05,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 230 states and 451 transitions. [2020-12-01 16:14:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 451 transitions. [2020-12-01 16:14:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:14:05,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:14:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 233 states and 447 transitions. [2020-12-01 16:14:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 447 transitions. [2020-12-01 16:14:06,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:14:06,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:14:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 236 states and 450 transitions. [2020-12-01 16:14:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 450 transitions. [2020-12-01 16:14:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:14:06,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 237 states and 452 transitions. [2020-12-01 16:14:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 452 transitions. [2020-12-01 16:14:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:14:06,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:14:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 238 states and 453 transitions. [2020-12-01 16:14:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 453 transitions. [2020-12-01 16:14:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:14:06,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:14:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 241 states and 457 transitions. [2020-12-01 16:14:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 457 transitions. [2020-12-01 16:14:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:14:06,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:14:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 242 states and 458 transitions. [2020-12-01 16:14:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 458 transitions. [2020-12-01 16:14:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:14:07,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:14:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 248 states and 467 transitions. [2020-12-01 16:14:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 467 transitions. [2020-12-01 16:14:07,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:14:07,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:14:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 249 states and 470 transitions. [2020-12-01 16:14:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 470 transitions. [2020-12-01 16:14:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:14:07,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:14:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 250 states and 471 transitions. [2020-12-01 16:14:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 471 transitions. [2020-12-01 16:14:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:14:07,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:14:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 253 states and 476 transitions. [2020-12-01 16:14:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 476 transitions. [2020-12-01 16:14:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:14:07,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:14:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 256 states and 480 transitions. [2020-12-01 16:14:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 480 transitions. [2020-12-01 16:14:08,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:14:08,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:14:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 259 states and 483 transitions. [2020-12-01 16:14:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 483 transitions. [2020-12-01 16:14:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:14:08,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:14:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 260 states and 484 transitions. [2020-12-01 16:14:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 484 transitions. [2020-12-01 16:14:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:14:08,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:14:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 261 states and 485 transitions. [2020-12-01 16:14:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 485 transitions. [2020-12-01 16:14:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:14:08,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:14:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 90 states and 123 transitions. [2020-12-01 16:14:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2020-12-01 16:14:08,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:14:08,564 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-12-01 16:14:08,570 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:14:09,008 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,013 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,013 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,013 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:14:09,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,028 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,029 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 16:14:09,029 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,030 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:14:09,031 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,032 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,034 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:09,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:14:09 ImpRootNode [2020-12-01 16:14:09,035 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:14:09,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:14:09,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:14:09,036 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:14:09,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (3/4) ... [2020-12-01 16:14:09,046 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:14:09,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:14:09,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:14:09,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:14:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:14:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:14:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:14:09,063 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:14:09,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 16:14:09,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:14:09,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:14:09,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:14:09,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:14:09,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:09,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:09,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 16:14:09,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-12-01 16:14:09,173 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fcb5e174-26a1-4477-b74d-003b1a73520d/bin/ukojak/witness.graphml [2020-12-01 16:14:09,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:14:09,175 INFO L168 Benchmark]: Toolchain (without parser) took 25162.70 ms. Allocated memory was 88.1 MB in the beginning and 419.4 MB in the end (delta: 331.4 MB). Free memory was 56.8 MB in the beginning and 224.1 MB in the end (delta: -167.3 MB). Peak memory consumption was 163.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,176 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:09,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.52 ms. Allocated memory is still 88.1 MB. Free memory was 56.6 MB in the beginning and 54.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.97 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,177 INFO L168 Benchmark]: Boogie Preprocessor took 40.35 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,178 INFO L168 Benchmark]: RCFGBuilder took 1601.68 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 100.1 MB in the end (delta: -50.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,179 INFO L168 Benchmark]: CodeCheck took 22624.93 ms. Allocated memory was 123.7 MB in the beginning and 419.4 MB in the end (delta: 295.7 MB). Free memory was 100.1 MB in the beginning and 229.3 MB in the end (delta: -129.2 MB). Peak memory consumption was 167.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,179 INFO L168 Benchmark]: Witness Printer took 137.99 ms. Allocated memory is still 419.4 MB. Free memory was 229.3 MB in the beginning and 224.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:09,182 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, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.1s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1774790928 SDtfs, 1230520136 SDslu, 395570196 SDs, 0 SdLazy, 1702935156 SolverSat, -1979014456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21227 GetRequests, 20908 SyntacticMatches, 31 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38589 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2022 NumberOfCodeBlocks, 2022 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1974 ConstructedInterpolants, 0 QuantifiedInterpolants, 173638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 40 PerfectInterpolantSequences, 716/746 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: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: 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 88.1 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.52 ms. Allocated memory is still 88.1 MB. Free memory was 56.6 MB in the beginning and 54.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.97 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.35 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1601.68 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 50.1 MB in the beginning and 100.1 MB in the end (delta: -50.0 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * CodeCheck took 22624.93 ms. Allocated memory was 123.7 MB in the beginning and 419.4 MB in the end (delta: 295.7 MB). Free memory was 100.1 MB in the beginning and 229.3 MB in the end (delta: -129.2 MB). Peak memory consumption was 167.3 MB. Max. memory is 16.1 GB. * Witness Printer took 137.99 ms. Allocated memory is still 419.4 MB. Free memory was 229.3 MB in the beginning and 224.1 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...