./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d733dbb906adb6defb82ddd5acbd52a79b17963e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:10:12,550 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:10:12,551 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:10:12,557 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:10:12,557 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:10:12,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:10:12,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:10:12,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:10:12,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:10:12,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:10:12,562 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:10:12,562 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:10:12,563 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:10:12,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:10:12,564 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:10:12,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:10:12,565 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:10:12,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:10:12,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:10:12,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:10:12,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:10:12,569 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:10:12,570 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:10:12,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:10:12,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:10:12,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:10:12,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:10:12,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:10:12,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:10:12,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:10:12,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:10:12,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:10:12,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:10:12,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:10:12,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:10:12,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:10:12,574 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 18:10:12,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:10:12,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:10:12,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:10:12,584 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 18:10:12,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:10:12,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:10:12,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:10:12,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:10:12,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:10:12,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:10:12,587 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:10:12,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:10:12,587 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:10:12,587 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:10:12,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:10:12,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:10:12,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:10:12,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:10:12,588 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:10:12,588 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:10:12,588 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 18:10:12,588 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:10:12,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:10:12,589 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/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(__VERIFIER_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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2018-12-08 18:10:12,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:10:12,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:10:12,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:10:12,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:10:12,622 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:10:12,623 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-12-08 18:10:12,663 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/data/d185a0123/f971fe628cdf4d058ca1ed5606e3aff7/FLAG196731a8c [2018-12-08 18:10:13,069 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:10:13,070 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-12-08 18:10:13,075 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/data/d185a0123/f971fe628cdf4d058ca1ed5606e3aff7/FLAG196731a8c [2018-12-08 18:10:13,084 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/data/d185a0123/f971fe628cdf4d058ca1ed5606e3aff7 [2018-12-08 18:10:13,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:10:13,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:10:13,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:10:13,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:10:13,089 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:10:13,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13, skipping insertion in model container [2018-12-08 18:10:13,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:10:13,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:10:13,262 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:10:13,307 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:10:13,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:10:13,368 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:10:13,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13 WrapperNode [2018-12-08 18:10:13,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:10:13,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:10:13,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:10:13,369 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:10:13,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:10:13,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:10:13,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:10:13,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:10:13,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:10:13,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:10:13,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:10:13,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:10:13,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:10:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/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 [2018-12-08 18:10:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:10:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:10:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:10:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:10:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:10:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:10:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:10:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:10:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:10:13,835 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:10:13,835 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-08 18:10:13,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:10:13 BoogieIcfgContainer [2018-12-08 18:10:13,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:10:13,836 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:10:13,836 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:10:13,842 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:10:13,842 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:10:13" (1/1) ... [2018-12-08 18:10:13,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:10:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-08 18:10:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-08 18:10:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 18:10:13,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2018-12-08 18:10:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-08 18:10:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 18:10:13,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2018-12-08 18:10:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2018-12-08 18:10:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 18:10:14,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-12-08 18:10:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-12-08 18:10:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 18:10:14,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2018-12-08 18:10:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2018-12-08 18:10:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 18:10:14,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2018-12-08 18:10:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2018-12-08 18:10:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 18:10:14,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2018-12-08 18:10:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2018-12-08 18:10:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 18:10:14,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 159 transitions. [2018-12-08 18:10:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2018-12-08 18:10:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 18:10:14,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 162 transitions. [2018-12-08 18:10:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 162 transitions. [2018-12-08 18:10:15,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 18:10:15,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 167 transitions. [2018-12-08 18:10:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-08 18:10:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 18:10:15,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 161 transitions. [2018-12-08 18:10:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2018-12-08 18:10:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 18:10:15,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 173 transitions. [2018-12-08 18:10:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2018-12-08 18:10:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 18:10:15,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 106 states and 176 transitions. [2018-12-08 18:10:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2018-12-08 18:10:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 18:10:15,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 107 states and 179 transitions. [2018-12-08 18:10:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2018-12-08 18:10:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 18:10:15,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 184 transitions. [2018-12-08 18:10:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2018-12-08 18:10:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 18:10:15,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 214 transitions. [2018-12-08 18:10:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2018-12-08 18:10:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 18:10:16,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:10:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 125 states and 215 transitions. [2018-12-08 18:10:16,155 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2018-12-08 18:10:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 18:10:16,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 216 transitions. [2018-12-08 18:10:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2018-12-08 18:10:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 18:10:16,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 135 states and 248 transitions. [2018-12-08 18:10:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 248 transitions. [2018-12-08 18:10:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 18:10:16,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 137 states and 253 transitions. [2018-12-08 18:10:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 253 transitions. [2018-12-08 18:10:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 18:10:16,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 265 transitions. [2018-12-08 18:10:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 265 transitions. [2018-12-08 18:10:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 18:10:17,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 142 states and 264 transitions. [2018-12-08 18:10:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 264 transitions. [2018-12-08 18:10:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 18:10:17,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:10:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 146 states and 278 transitions. [2018-12-08 18:10:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 278 transitions. [2018-12-08 18:10:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 18:10:17,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:17,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 153 states and 293 transitions. [2018-12-08 18:10:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2018-12-08 18:10:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:10:18,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 18:10:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 154 states and 294 transitions. [2018-12-08 18:10:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 294 transitions. [2018-12-08 18:10:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:10:18,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:10:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 155 states and 295 transitions. [2018-12-08 18:10:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 295 transitions. [2018-12-08 18:10:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:10:18,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 18:10:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 275 transitions. [2018-12-08 18:10:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2018-12-08 18:10:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:10:18,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 18:10:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 149 states and 282 transitions. [2018-12-08 18:10:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 282 transitions. [2018-12-08 18:10:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:10:18,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 18:10:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 147 states and 278 transitions. [2018-12-08 18:10:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2018-12-08 18:10:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 18:10:18,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 18:10:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 145 states and 273 transitions. [2018-12-08 18:10:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 273 transitions. [2018-12-08 18:10:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 18:10:18,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 18:10:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 138 states and 261 transitions. [2018-12-08 18:10:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2018-12-08 18:10:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 18:10:18,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:10:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:10:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 18:10:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:10:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 72 states and 99 transitions. [2018-12-08 18:10:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2018-12-08 18:10:19,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:10:19,278 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-12-08 18:10:19,284 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 18:10:19,454 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,456 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,457 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 18:10:19,460 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,460 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 18:10:19,460 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 18:10:19,460 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:10:19,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 06:10:19 ImpRootNode [2018-12-08 18:10:19,461 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 18:10:19,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:10:19,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:10:19,461 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:10:19,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:10:13" (3/4) ... [2018-12-08 18:10:19,464 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:10:19,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:10:19,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:10:19,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:10:19,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:10:19,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:10:19,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:10:19,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 18:10:19,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:10:19,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-12-08 18:10:19,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 18:10:19,472 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:10:19,472 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:10:19,472 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:10:19,472 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:10:19,488 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive [2018-12-08 18:10:19,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-08 18:10:19,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bce5bfb0-7fb1-478b-8d59-384ceac43421/bin-2019/ukojak/witness.graphml [2018-12-08 18:10:19,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:10:19,509 INFO L168 Benchmark]: Toolchain (without parser) took 6423.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 950.6 MB in the beginning and 918.8 MB in the end (delta: 31.8 MB). Peak memory consumption was 226.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,509 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: RCFGBuilder took 420.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: CodeCheck took 5624.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 1.0 GB in the beginning and 925.8 MB in the end (delta: 95.9 MB). Peak memory consumption was 182.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,510 INFO L168 Benchmark]: Witness Printer took 47.36 ms. Allocated memory is still 1.2 GB. Free memory was 925.8 MB in the beginning and 918.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:10:19,511 INFO L336 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, 79 locations, 1 error locations. SAFE Result, 5.4s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1023405264 SDtfs, 1754236476 SDslu, 1530261200 SDs, 0 SdLazy, -686559162 SolverSat, 1335663130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13167 GetRequests, 12883 SyntacticMatches, 106 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17456 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1246 NumberOfCodeBlocks, 1246 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 111800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 353/386 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 140]: 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: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || \old(pumpRunning) == pumpRunning) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 420.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * CodeCheck took 5624.65 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 1.0 GB in the beginning and 925.8 MB in the end (delta: 95.9 MB). Peak memory consumption was 182.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.36 ms. Allocated memory is still 1.2 GB. Free memory was 925.8 MB in the beginning and 918.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...