./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:01:09,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:01:09,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:01:09,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:01:09,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:01:09,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:01:09,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:01:09,588 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:01:09,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:01:09,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:01:09,590 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:01:09,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:01:09,591 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:01:09,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:01:09,593 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:01:09,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:01:09,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:01:09,595 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:01:09,597 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:01:09,598 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:01:09,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:01:09,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:01:09,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:01:09,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:01:09,602 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:01:09,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:01:09,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:01:09,605 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:01:09,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:01:09,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:01:09,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:01:09,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:01:09,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:01:09,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:01:09,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:01:09,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:01:09,609 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:01:09,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:01:09,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:01:09,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:01:09,620 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:01:09,621 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:01:09,621 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:01:09,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:01:09,621 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:01:09,622 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:01:09,623 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:01:09,623 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:01:09,623 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:01:09,623 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:01:09,623 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:01:09,623 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:01:09,624 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:01:09,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:01:09,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:01:09,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:01:09,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:01:09,624 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:01:09,625 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:01:09,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:01:09,625 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_07236db6-1469-4925-b96c-50303fc74be0/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2018-11-18 16:01:09,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:01:09,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:01:09,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:01:09,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:01:09,658 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:01:09,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:09,696 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/data/7431c0eca/6993906588ad4a95b2010bf7d8c1afcd/FLAG3660fde93 [2018-11-18 16:01:10,113 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:01:10,113 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-18 16:01:10,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/data/7431c0eca/6993906588ad4a95b2010bf7d8c1afcd/FLAG3660fde93 [2018-11-18 16:01:10,129 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/data/7431c0eca/6993906588ad4a95b2010bf7d8c1afcd [2018-11-18 16:01:10,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:01:10,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:01:10,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:10,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:01:10,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:01:10,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10, skipping insertion in model container [2018-11-18 16:01:10,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:01:10,171 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:01:10,347 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:10,356 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:01:10,467 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:01:10,489 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:01:10,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10 WrapperNode [2018-11-18 16:01:10,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:01:10,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:10,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:01:10,490 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:01:10,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:01:10,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:01:10,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:01:10,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:01:10,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... [2018-11-18 16:01:10,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:01:10,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:01:10,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:01:10,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:01:10,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:01:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/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 [2018-11-18 16:01:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:01:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:01:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:01:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:01:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:01:10,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:01:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:01:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:01:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:01:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:01:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:01:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:01:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:01:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:01:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:01:11,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:01:11,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11 BoogieIcfgContainer [2018-11-18 16:01:11,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:01:11,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:01:11,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:01:11,346 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:01:11,347 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11" (1/1) ... [2018-11-18 16:01:11,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:01:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 16:01:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 16:01:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:01:11,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2018-11-18 16:01:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-11-18 16:01:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 16:01:11,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2018-11-18 16:01:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2018-11-18 16:01:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 16:01:11,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2018-11-18 16:01:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2018-11-18 16:01:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:01:12,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 91 states and 134 transitions. [2018-11-18 16:01:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2018-11-18 16:01:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 16:01:12,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 140 transitions. [2018-11-18 16:01:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2018-11-18 16:01:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 16:01:12,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2018-11-18 16:01:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2018-11-18 16:01:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 16:01:12,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 142 transitions. [2018-11-18 16:01:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 142 transitions. [2018-11-18 16:01:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 16:01:12,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-11-18 16:01:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-11-18 16:01:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 16:01:12,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 110 states and 173 transitions. [2018-11-18 16:01:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 173 transitions. [2018-11-18 16:01:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 16:01:13,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 111 states and 176 transitions. [2018-11-18 16:01:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2018-11-18 16:01:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 16:01:13,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 112 states and 177 transitions. [2018-11-18 16:01:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 177 transitions. [2018-11-18 16:01:13,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 16:01:13,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 187 transitions. [2018-11-18 16:01:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 187 transitions. [2018-11-18 16:01:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 16:01:13,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 124 states and 203 transitions. [2018-11-18 16:01:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 203 transitions. [2018-11-18 16:01:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 16:01:13,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 127 states and 211 transitions. [2018-11-18 16:01:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 211 transitions. [2018-11-18 16:01:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 16:01:14,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 207 transitions. [2018-11-18 16:01:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2018-11-18 16:01:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 16:01:14,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:01:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 209 transitions. [2018-11-18 16:01:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-11-18 16:01:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 16:01:14,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 252 transitions. [2018-11-18 16:01:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2018-11-18 16:01:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 16:01:16,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 253 transitions. [2018-11-18 16:01:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 253 transitions. [2018-11-18 16:01:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 16:01:16,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 258 transitions. [2018-11-18 16:01:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2018-11-18 16:01:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:01:16,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:17,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 262 transitions. [2018-11-18 16:01:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2018-11-18 16:01:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 16:01:17,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 268 transitions. [2018-11-18 16:01:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 268 transitions. [2018-11-18 16:01:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:01:17,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 162 states and 291 transitions. [2018-11-18 16:01:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 291 transitions. [2018-11-18 16:01:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 16:01:17,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 165 states and 296 transitions. [2018-11-18 16:01:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 296 transitions. [2018-11-18 16:01:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 16:01:18,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 166 states and 297 transitions. [2018-11-18 16:01:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 297 transitions. [2018-11-18 16:01:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 16:01:18,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:01:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 168 states and 303 transitions. [2018-11-18 16:01:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 303 transitions. [2018-11-18 16:01:18,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:01:18,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 16:01:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 177 states and 324 transitions. [2018-11-18 16:01:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 324 transitions. [2018-11-18 16:01:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 16:01:19,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 189 states and 351 transitions. [2018-11-18 16:01:20,931 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 351 transitions. [2018-11-18 16:01:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 16:01:20,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 192 states and 355 transitions. [2018-11-18 16:01:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 355 transitions. [2018-11-18 16:01:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:01:21,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 197 states and 365 transitions. [2018-11-18 16:01:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 365 transitions. [2018-11-18 16:01:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:01:21,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 200 states and 369 transitions. [2018-11-18 16:01:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 369 transitions. [2018-11-18 16:01:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:01:21,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:01:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 201 states and 374 transitions. [2018-11-18 16:01:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 374 transitions. [2018-11-18 16:01:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 16:01:21,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 16:01:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 202 states and 373 transitions. [2018-11-18 16:01:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 373 transitions. [2018-11-18 16:01:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 16:01:21,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:01:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 211 states and 386 transitions. [2018-11-18 16:01:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 386 transitions. [2018-11-18 16:01:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 16:01:23,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:01:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 212 states and 387 transitions. [2018-11-18 16:01:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 387 transitions. [2018-11-18 16:01:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 16:01:23,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:01:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 221 states and 415 transitions. [2018-11-18 16:01:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 415 transitions. [2018-11-18 16:01:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 16:01:24,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:01:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 224 states and 423 transitions. [2018-11-18 16:01:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 423 transitions. [2018-11-18 16:01:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 16:01:24,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:01:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 225 states and 424 transitions. [2018-11-18 16:01:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 424 transitions. [2018-11-18 16:01:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 16:01:24,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 232 states and 442 transitions. [2018-11-18 16:01:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 442 transitions. [2018-11-18 16:01:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 16:01:25,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 241 states and 466 transitions. [2018-11-18 16:01:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 466 transitions. [2018-11-18 16:01:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 16:01:26,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 244 states and 471 transitions. [2018-11-18 16:01:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 471 transitions. [2018-11-18 16:01:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 16:01:26,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:01:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 246 states and 478 transitions. [2018-11-18 16:01:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 478 transitions. [2018-11-18 16:01:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 16:01:27,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 16:01:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 248 states and 481 transitions. [2018-11-18 16:01:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 481 transitions. [2018-11-18 16:01:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 16:01:27,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:01:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 249 states and 482 transitions. [2018-11-18 16:01:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 482 transitions. [2018-11-18 16:01:27,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 16:01:27,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 16:01:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 244 states and 470 transitions. [2018-11-18 16:01:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 470 transitions. [2018-11-18 16:01:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 16:01:27,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 254 states and 491 transitions. [2018-11-18 16:01:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 491 transitions. [2018-11-18 16:01:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 16:01:29,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 255 states and 492 transitions. [2018-11-18 16:01:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 492 transitions. [2018-11-18 16:01:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 16:01:29,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:01:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 256 states and 493 transitions. [2018-11-18 16:01:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 493 transitions. [2018-11-18 16:01:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 16:01:29,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:01:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 260 states and 500 transitions. [2018-11-18 16:01:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 500 transitions. [2018-11-18 16:01:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:01:30,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 16:01:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 263 states and 512 transitions. [2018-11-18 16:01:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 512 transitions. [2018-11-18 16:01:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:01:31,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 60 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:01:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 265 states and 516 transitions. [2018-11-18 16:01:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 516 transitions. [2018-11-18 16:01:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:01:31,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 16:01:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 102 states and 135 transitions. [2018-11-18 16:01:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2018-11-18 16:01:31,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:01:31,942 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-11-18 16:01:31,948 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:01:32,279 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,281 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,281 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,281 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 16:01:32,284 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,284 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,284 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 16:01:32,284 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,284 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:32,285 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:01:32,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:01:32 ImpRootNode [2018-11-18 16:01:32,286 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:01:32,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:01:32,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:01:32,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:01:32,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:01:11" (3/4) ... [2018-11-18 16:01:32,289 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:01:32,293 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:01:32,293 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:01:32,293 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:01:32,293 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:01:32,293 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:01:32,294 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:01:32,294 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:01:32,297 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-18 16:01:32,298 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:01:32,298 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:01:32,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-11-18 16:01:32,356 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07236db6-1469-4925-b96c-50303fc74be0/bin-2019/ukojak/witness.graphml [2018-11-18 16:01:32,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:01:32,357 INFO L168 Benchmark]: Toolchain (without parser) took 22226.29 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 596.6 MB). Free memory was 956.5 MB in the beginning and 1.5 GB in the end (delta: -589.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,358 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:01:32,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:01:32,359 INFO L168 Benchmark]: Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,359 INFO L168 Benchmark]: RCFGBuilder took 784.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,359 INFO L168 Benchmark]: CodeCheck took 20951.31 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 455.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -501.8 MB). Peak memory consumption was 719.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,360 INFO L168 Benchmark]: Witness Printer took 70.14 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 69.8 kB). Peak memory consumption was 69.8 kB. Max. memory is 11.5 GB. [2018-11-18 16:01:32,361 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 8 procedures, 81 locations, 1 error locations. SAFE Result, 20.5s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1567818664 SDtfs, -1413101528 SDslu, 431453932 SDs, 0 SdLazy, -1245677278 SolverSat, -1357381666 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27306 GetRequests, 26689 SyntacticMatches, 201 SemanticMatches, 416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87186 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2558 NumberOfCodeBlocks, 2558 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2507 ConstructedInterpolants, 0 QuantifiedInterpolants, 327552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 26 PerfectInterpolantSequences, 1069/1282 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: 130]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp)) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: ((0 == methAndRunningLastTime || !(0 == systemActive)) || 0 == methaneLevelCritical) || methAndRunningLastTime == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 784.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * CodeCheck took 20951.31 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 455.6 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -501.8 MB). Peak memory consumption was 719.2 MB. Max. memory is 11.5 GB. * Witness Printer took 70.14 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 69.8 kB). Peak memory consumption was 69.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...