./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/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 b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:13,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:13,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:13,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:13,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:13,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:13,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:13,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:13,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:13,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:13,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:13,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:13,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:13,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:13,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:13,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:13,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:13,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:13,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:13,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:13,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:13,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:13,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:13,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:13,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:13,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:13,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:13,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:13,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:13,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:13,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:13,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:13,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:13,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:13,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:13,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:13,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:13,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:13,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:13,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:13,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:13,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:13,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:13,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:13,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:13,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:13,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:13,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:13,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:13,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:13,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:13,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:13,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:13,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:13,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:13,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:13,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:13,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:13,507 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:13,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:13,507 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:13,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:13,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:13,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:13,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:13,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:13,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:13,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:13,509 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:13,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:13,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:13,511 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_45a0a0fc-74ec-486a-b56c-ca738545c7de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bcd967813a4771a3b092fbeb97197c1f3ff6f2 [2020-11-28 04:43:13,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:13,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:13,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:13,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:13,810 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:13,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-28 04:43:13,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/data/bc8a671e0/1632c1e0c3874acea112b42d5a0d758f/FLAG5c23fe9b8 [2020-11-28 04:43:14,431 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:14,432 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2020-11-28 04:43:14,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/data/bc8a671e0/1632c1e0c3874acea112b42d5a0d758f/FLAG5c23fe9b8 [2020-11-28 04:43:14,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/data/bc8a671e0/1632c1e0c3874acea112b42d5a0d758f [2020-11-28 04:43:14,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:14,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:14,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:14,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:14,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:14,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:14" (1/1) ... [2020-11-28 04:43:14,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa9607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:14, skipping insertion in model container [2020-11-28 04:43:14,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:14" (1/1) ... [2020-11-28 04:43:14,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:14,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:15,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:15,242 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:15,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:15,417 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:15,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15 WrapperNode [2020-11-28 04:43:15,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:15,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:15,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:15,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:15,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:15,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:15,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:15,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:15,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... [2020-11-28 04:43:15,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:15,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:15,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:15,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:15,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/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 [2020-11-28 04:43:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:43:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:43:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:43:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:43:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:43:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:43:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:43:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:43:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:43:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:43:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:43:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:43:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:43:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:43:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:43:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:43:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:17,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:17,148 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 04:43:17,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:17 BoogieIcfgContainer [2020-11-28 04:43:17,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:17,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:17,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:17,167 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:17,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:17" (1/1) ... [2020-11-28 04:43:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2020-11-28 04:43:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-11-28 04:43:17,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:43:17,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-11-28 04:43:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-28 04:43:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:43:17,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2020-11-28 04:43:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-11-28 04:43:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:43:17,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2020-11-28 04:43:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-11-28 04:43:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:43:18,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2020-11-28 04:43:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 04:43:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:43:18,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2020-11-28 04:43:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2020-11-28 04:43:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:18,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2020-11-28 04:43:19,056 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2020-11-28 04:43:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:19,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 137 transitions. [2020-11-28 04:43:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2020-11-28 04:43:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:19,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-28 04:43:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-28 04:43:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:19,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 152 transitions. [2020-11-28 04:43:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2020-11-28 04:43:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:19,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 117 states and 193 transitions. [2020-11-28 04:43:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2020-11-28 04:43:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:20,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 121 states and 199 transitions. [2020-11-28 04:43:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2020-11-28 04:43:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:43:21,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2020-11-28 04:43:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2020-11-28 04:43:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:43:21,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 126 states and 206 transitions. [2020-11-28 04:43:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2020-11-28 04:43:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:43:21,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:43:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 214 transitions. [2020-11-28 04:43:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 214 transitions. [2020-11-28 04:43:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:43:21,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:43:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 223 transitions. [2020-11-28 04:43:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2020-11-28 04:43:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:43:21,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 242 transitions. [2020-11-28 04:43:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2020-11-28 04:43:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:43:22,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 243 transitions. [2020-11-28 04:43:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2020-11-28 04:43:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:43:22,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:43:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 146 states and 249 transitions. [2020-11-28 04:43:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2020-11-28 04:43:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:43:23,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 147 states and 250 transitions. [2020-11-28 04:43:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2020-11-28 04:43:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:43:23,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 154 states and 262 transitions. [2020-11-28 04:43:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 262 transitions. [2020-11-28 04:43:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:43:23,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 271 transitions. [2020-11-28 04:43:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 271 transitions. [2020-11-28 04:43:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:43:24,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 162 states and 279 transitions. [2020-11-28 04:43:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 279 transitions. [2020-11-28 04:43:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:43:24,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 163 states and 279 transitions. [2020-11-28 04:43:24,645 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 279 transitions. [2020-11-28 04:43:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:43:24,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 164 states and 280 transitions. [2020-11-28 04:43:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 280 transitions. [2020-11-28 04:43:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:43:24,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 180 states and 321 transitions. [2020-11-28 04:43:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 321 transitions. [2020-11-28 04:43:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:43:27,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 192 states and 349 transitions. [2020-11-28 04:43:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 349 transitions. [2020-11-28 04:43:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:43:28,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:43:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 193 states and 349 transitions. [2020-11-28 04:43:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 349 transitions. [2020-11-28 04:43:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:43:28,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:28,761 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:43:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 201 states and 368 transitions. [2020-11-28 04:43:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 368 transitions. [2020-11-28 04:43:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:43:30,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 202 states and 369 transitions. [2020-11-28 04:43:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2020-11-28 04:43:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:43:30,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 203 states and 370 transitions. [2020-11-28 04:43:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 370 transitions. [2020-11-28 04:43:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:43:30,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 205 states and 371 transitions. [2020-11-28 04:43:31,145 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 371 transitions. [2020-11-28 04:43:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:43:31,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:43:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 208 states and 377 transitions. [2020-11-28 04:43:31,224 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 377 transitions. [2020-11-28 04:43:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:43:31,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 213 states and 380 transitions. [2020-11-28 04:43:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 380 transitions. [2020-11-28 04:43:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:43:31,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 04:43:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 214 states and 381 transitions. [2020-11-28 04:43:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 381 transitions. [2020-11-28 04:43:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:43:31,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 219 states and 391 transitions. [2020-11-28 04:43:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 391 transitions. [2020-11-28 04:43:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:43:32,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:43:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 402 transitions. [2020-11-28 04:43:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 402 transitions. [2020-11-28 04:43:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:43:32,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 227 states and 403 transitions. [2020-11-28 04:43:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 403 transitions. [2020-11-28 04:43:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:43:32,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 228 states and 404 transitions. [2020-11-28 04:43:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 404 transitions. [2020-11-28 04:43:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:43:32,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 229 states and 407 transitions. [2020-11-28 04:43:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 407 transitions. [2020-11-28 04:43:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:43:33,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:43:33,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 230 states and 408 transitions. [2020-11-28 04:43:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 408 transitions. [2020-11-28 04:43:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:43:33,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:43:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 231 states and 409 transitions. [2020-11-28 04:43:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 409 transitions. [2020-11-28 04:43:33,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:43:33,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 233 states and 412 transitions. [2020-11-28 04:43:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 412 transitions. [2020-11-28 04:43:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:43:33,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:43:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 234 states and 415 transitions. [2020-11-28 04:43:33,879 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 415 transitions. [2020-11-28 04:43:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:43:33,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 237 states and 419 transitions. [2020-11-28 04:43:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 419 transitions. [2020-11-28 04:43:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:43:33,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 242 states and 426 transitions. [2020-11-28 04:43:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 426 transitions. [2020-11-28 04:43:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:43:34,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 243 states and 426 transitions. [2020-11-28 04:43:34,061 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 426 transitions. [2020-11-28 04:43:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:43:34,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:34,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 244 states and 427 transitions. [2020-11-28 04:43:34,151 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 427 transitions. [2020-11-28 04:43:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:43:34,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:43:34,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 247 states and 432 transitions. [2020-11-28 04:43:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 432 transitions. [2020-11-28 04:43:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:43:34,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:43:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 248 states and 433 transitions. [2020-11-28 04:43:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 433 transitions. [2020-11-28 04:43:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:43:34,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 249 states and 434 transitions. [2020-11-28 04:43:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 434 transitions. [2020-11-28 04:43:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:43:34,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:43:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 250 states and 435 transitions. [2020-11-28 04:43:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 435 transitions. [2020-11-28 04:43:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:43:34,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:43:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 252 states and 437 transitions. [2020-11-28 04:43:34,495 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 437 transitions. [2020-11-28 04:43:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:43:34,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:43:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 84 states and 113 transitions. [2020-11-28 04:43:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-11-28 04:43:34,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:43:34,552 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2020-11-28 04:43:34,562 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:43:34,970 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:43:34,984 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,984 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,984 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,985 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,985 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:43:34,986 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,986 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:43:34,987 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,987 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:34,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:34 ImpRootNode [2020-11-28 04:43:34,989 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:34,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:34,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:34,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:34,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:17" (3/4) ... [2020-11-28 04:43:35,003 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:43:35,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:43:35,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:43:35,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:43:35,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:43:35,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:43:35,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:43:35,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:43:35,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:43:35,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2020-11-28 04:43:35,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:43:35,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:43:35,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:43:35,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:43:35,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:35,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:35,087 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)) [2020-11-28 04:43:35,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_45a0a0fc-74ec-486a-b56c-ca738545c7de/bin/ukojak/witness.graphml [2020-11-28 04:43:35,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:35,146 INFO L168 Benchmark]: Toolchain (without parser) took 20363.29 ms. Allocated memory was 92.3 MB in the beginning and 341.8 MB in the end (delta: 249.6 MB). Free memory was 55.5 MB in the beginning and 305.6 MB in the end (delta: -250.1 MB). Peak memory consumption was 191.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,147 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 64.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:35,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.41 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 58.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.39 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,148 INFO L168 Benchmark]: Boogie Preprocessor took 33.74 ms. Allocated memory is still 92.3 MB. Free memory was 55.7 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:35,148 INFO L168 Benchmark]: RCFGBuilder took 1602.09 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.9 MB in the beginning and 64.8 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,149 INFO L168 Benchmark]: CodeCheck took 17836.65 ms. Allocated memory was 111.1 MB in the beginning and 341.8 MB in the end (delta: 230.7 MB). Free memory was 64.8 MB in the beginning and 114.7 MB in the end (delta: -49.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,149 INFO L168 Benchmark]: Witness Printer took 155.30 ms. Allocated memory is still 341.8 MB. Free memory was 113.7 MB in the beginning and 305.6 MB in the end (delta: -191.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:35,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 54, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -949862096 SDtfs, 464284432 SDslu, 1343913124 SDs, 0 SdLazy, 34208640 SolverSat, 592882240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23620 GetRequests, 23365 SyntacticMatches, 15 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24965 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2418 NumberOfCodeBlocks, 2418 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2365 ConstructedInterpolants, 0 QuantifiedInterpolants, 216187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 46 PerfectInterpolantSequences, 956/992 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: 311]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 64.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.41 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 58.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.39 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.74 ms. Allocated memory is still 92.3 MB. Free memory was 55.7 MB in the beginning and 53.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1602.09 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 53.9 MB in the beginning and 64.8 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * CodeCheck took 17836.65 ms. Allocated memory was 111.1 MB in the beginning and 341.8 MB in the end (delta: 230.7 MB). Free memory was 64.8 MB in the beginning and 114.7 MB in the end (delta: -49.9 MB). Peak memory consumption was 182.5 MB. Max. memory is 16.1 GB. * Witness Printer took 155.30 ms. Allocated memory is still 341.8 MB. Free memory was 113.7 MB in the beginning and 305.6 MB in the end (delta: -191.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...