./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/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 10f6db361160ad683c5ff0095ebb60e0648efb18 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:22:14,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:22:14,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:22:14,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:22:14,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:22:14,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:22:14,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:22:14,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:22:14,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:22:14,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:22:14,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:22:14,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:22:14,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:22:14,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:22:14,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:22:14,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:22:14,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:22:14,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:22:14,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:22:14,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:22:14,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:22:14,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:22:14,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:22:14,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:22:14,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:22:14,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:22:14,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:22:14,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:22:14,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:22:14,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:22:14,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:22:14,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:22:14,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:22:14,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:22:14,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:22:14,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:22:14,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:22:14,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:22:14,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:22:14,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:22:14,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:22:14,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:22:14,498 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:22:14,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:22:14,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:22:14,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:22:14,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:22:14,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:22:14,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:22:14,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:22:14,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:22:14,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:22:14,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:22:14,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:22:14,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:22:14,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:22:14,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:22:14,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:22:14,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:22:14,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:22:14,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:22:14,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:22:14,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:22:14,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:22:14,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:22:14,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:22:14,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:22:14,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:22:14,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:22:14,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:22:14,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:22:14,508 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_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f6db361160ad683c5ff0095ebb60e0648efb18 [2020-12-01 18:22:14,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:22:14,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:22:14,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:22:14,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:22:14,839 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:22:14,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-12-01 18:22:14,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/data/a2ab5efec/a13bac86c0a543dfbed12578b74a2e4d/FLAGc5646fa8a [2020-12-01 18:22:15,500 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:22:15,501 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-12-01 18:22:15,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/data/a2ab5efec/a13bac86c0a543dfbed12578b74a2e4d/FLAGc5646fa8a [2020-12-01 18:22:15,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/data/a2ab5efec/a13bac86c0a543dfbed12578b74a2e4d [2020-12-01 18:22:15,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:22:15,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:22:15,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:15,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:22:15,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:22:15,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:15" (1/1) ... [2020-12-01 18:22:15,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49aad8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:15, skipping insertion in model container [2020-12-01 18:22:15,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:15" (1/1) ... [2020-12-01 18:22:15,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:22:15,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:22:16,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:16,330 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:22:16,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:16,498 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:22:16,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16 WrapperNode [2020-12-01 18:22:16,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:16,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:16,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:22:16,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:22:16,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:16,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:22:16,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:22:16,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:22:16,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... [2020-12-01 18:22:16,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:22:16,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:22:16,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:22:16,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:22:16,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/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 18:22:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:22:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:22:16,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:22:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:22:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:22:16,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:22:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:22:16,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:22:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:22:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:22:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:22:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:22:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:22:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:22:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:22:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:22:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:22:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:22:18,011 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:22:18,011 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 18:22:18,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:18 BoogieIcfgContainer [2020-12-01 18:22:18,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:22:18,015 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:22:18,015 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:22:18,027 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:22:18,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:18" (1/1) ... [2020-12-01 18:22:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:22:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 18:22:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 18:22:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:18,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:18,407 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 18:22:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 18:22:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 18:22:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:18,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:18,540 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 18:22:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 18:22:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 18:22:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:22:18,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:18,666 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 18:22:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2020-12-01 18:22:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-12-01 18:22:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:22:18,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,025 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 18:22:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2020-12-01 18:22:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2020-12-01 18:22:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:22:19,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,104 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 18:22:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2020-12-01 18:22:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2020-12-01 18:22:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:22:19,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,155 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 18:22:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2020-12-01 18:22:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-12-01 18:22:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:22:19,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,317 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 18:22:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:20,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2020-12-01 18:22:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2020-12-01 18:22:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:22:20,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:20,178 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 18:22:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 151 transitions. [2020-12-01 18:22:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 151 transitions. [2020-12-01 18:22:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:22:20,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:20,854 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 18:22:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2020-12-01 18:22:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2020-12-01 18:22:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:22:20,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,016 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 18:22:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 169 transitions. [2020-12-01 18:22:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2020-12-01 18:22:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:22:21,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,275 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 18:22:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 170 transitions. [2020-12-01 18:22:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2020-12-01 18:22:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:22:21,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,326 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 18:22:21,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 171 transitions. [2020-12-01 18:22:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2020-12-01 18:22:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:22:21,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 183 transitions. [2020-12-01 18:22:21,632 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2020-12-01 18:22:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:22:21,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 184 transitions. [2020-12-01 18:22:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 184 transitions. [2020-12-01 18:22:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:22:21,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2020-12-01 18:22:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2020-12-01 18:22:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:22:21,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 190 transitions. [2020-12-01 18:22:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 190 transitions. [2020-12-01 18:22:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:22:22,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 198 transitions. [2020-12-01 18:22:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2020-12-01 18:22:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:22:22,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 206 transitions. [2020-12-01 18:22:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2020-12-01 18:22:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:22:22,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:22:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 206 transitions. [2020-12-01 18:22:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2020-12-01 18:22:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:22:22,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:22:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 134 states and 241 transitions. [2020-12-01 18:22:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2020-12-01 18:22:23,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:22:23,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:22:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 136 states and 246 transitions. [2020-12-01 18:22:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2020-12-01 18:22:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:22:23,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:22:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 137 states and 246 transitions. [2020-12-01 18:22:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2020-12-01 18:22:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:22:24,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 145 states and 268 transitions. [2020-12-01 18:22:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 268 transitions. [2020-12-01 18:22:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:22:26,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:22:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 146 states and 269 transitions. [2020-12-01 18:22:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 269 transitions. [2020-12-01 18:22:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:22:26,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:22:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 270 transitions. [2020-12-01 18:22:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2020-12-01 18:22:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:22:26,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:22:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 148 states and 268 transitions. [2020-12-01 18:22:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 268 transitions. [2020-12-01 18:22:26,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:22:26,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:22:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 269 transitions. [2020-12-01 18:22:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 269 transitions. [2020-12-01 18:22:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:22:27,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:22:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 266 transitions. [2020-12-01 18:22:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2020-12-01 18:22:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:22:27,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:22:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 275 transitions. [2020-12-01 18:22:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-12-01 18:22:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:22:27,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:22:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 275 transitions. [2020-12-01 18:22:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 275 transitions. [2020-12-01 18:22:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:22:27,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 18:22:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 275 transitions. [2020-12-01 18:22:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 275 transitions. [2020-12-01 18:22:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:22:28,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:22:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 159 states and 276 transitions. [2020-12-01 18:22:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2020-12-01 18:22:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:22:28,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:22:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 68 states and 98 transitions. [2020-12-01 18:22:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2020-12-01 18:22:28,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:22:28,141 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2020-12-01 18:22:28,152 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:22:28,425 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,430 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,431 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-12-01 18:22:28,435 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,435 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 18:22:28,439 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,440 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,440 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,440 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,440 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,440 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,441 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,441 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:28,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:22:28 ImpRootNode [2020-12-01 18:22:28,441 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:22:28,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:22:28,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:22:28,442 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:22:28,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:18" (3/4) ... [2020-12-01 18:22:28,455 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:22:28,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:22:28,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:22:28,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:22:28,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:22:28,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:22:28,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:22:28,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:22:28,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-12-01 18:22:28,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:22:28,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:22:28,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:22:28,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:22:28,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:22:28,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:22:28,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-12-01 18:22:28,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7f335038-3cac-4fc4-91ca-2a5ea2f9b2ba/bin/ukojak/witness.graphml [2020-12-01 18:22:28,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:22:28,548 INFO L168 Benchmark]: Toolchain (without parser) took 12724.64 ms. Allocated memory was 86.0 MB in the beginning and 197.1 MB in the end (delta: 111.1 MB). Free memory was 52.9 MB in the beginning and 145.3 MB in the end (delta: -92.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,548 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:28,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.62 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 53.2 MB in the end (delta: -516.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.90 ms. Allocated memory is still 86.0 MB. Free memory was 52.8 MB in the beginning and 50.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,550 INFO L168 Benchmark]: Boogie Preprocessor took 32.60 ms. Allocated memory is still 86.0 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,550 INFO L168 Benchmark]: RCFGBuilder took 1374.95 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 48.6 MB in the beginning and 79.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,551 INFO L168 Benchmark]: CodeCheck took 10426.54 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 79.8 MB in the beginning and 150.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 111.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,551 INFO L168 Benchmark]: Witness Printer took 104.45 ms. Allocated memory is still 197.1 MB. Free memory was 150.5 MB in the beginning and 145.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:28,553 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: 10.0s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1884925324 SDtfs, 1362695004 SDslu, 1523410124 SDs, 0 SdLazy, 507955228 SolverSat, -439993140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9993 GetRequests, 9807 SyntacticMatches, 30 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10327 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 76418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 263/288 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: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (waterLevel == 1 && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: 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 67.1 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.62 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 53.2 MB in the end (delta: -516.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.90 ms. Allocated memory is still 86.0 MB. Free memory was 52.8 MB in the beginning and 50.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.60 ms. Allocated memory is still 86.0 MB. Free memory was 50.7 MB in the beginning and 48.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1374.95 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 48.6 MB in the beginning and 79.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * CodeCheck took 10426.54 ms. Allocated memory was 113.2 MB in the beginning and 197.1 MB in the end (delta: 83.9 MB). Free memory was 79.8 MB in the beginning and 150.5 MB in the end (delta: -70.8 MB). Peak memory consumption was 111.2 MB. Max. memory is 16.1 GB. * Witness Printer took 104.45 ms. Allocated memory is still 197.1 MB. Free memory was 150.5 MB in the beginning and 145.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...