./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_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_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:13:11,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:13:11,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:13:11,658 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:13:11,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:13:11,659 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:13:11,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:13:11,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:13:11,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:13:11,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:13:11,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:13:11,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:13:11,664 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:13:11,665 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:13:11,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:13:11,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:13:11,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:13:11,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:13:11,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:13:11,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:13:11,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:13:11,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:13:11,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:13:11,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:13:11,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:13:11,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:13:11,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:13:11,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:13:11,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:13:11,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:13:11,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:13:11,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:13:11,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:13:11,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:13:11,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:13:11,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:13:11,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:13:11,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:13:11,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:13:11,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:13:11,687 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:13:11,688 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:13:11,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:13:11,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:13:11,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:13:11,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:13:11,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:13:11,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:13:11,690 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:13:11,690 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:13:11,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:13:11,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:13:11,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:13:11,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:13:11,690 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:13:11,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:13:11,691 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:13:11,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:13:11,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:13:11,691 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_980e1538-7e93-41f2-a449-718b8740c692/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-11-18 15:13:11,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:13:11,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:13:11,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:13:11,729 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:13:11,729 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:13:11,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-18 15:13:11,774 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/data/00db6d61b/227b17318e4b454781c7df1dbaf652a2/FLAGb7008d994 [2018-11-18 15:13:12,150 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:13:12,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-11-18 15:13:12,160 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/data/00db6d61b/227b17318e4b454781c7df1dbaf652a2/FLAGb7008d994 [2018-11-18 15:13:12,532 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/data/00db6d61b/227b17318e4b454781c7df1dbaf652a2 [2018-11-18 15:13:12,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:13:12,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:13:12,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:12,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:13:12,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:13:12,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f938bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12, skipping insertion in model container [2018-11-18 15:13:12,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:13:12,575 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:13:12,762 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:13:12,770 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:13:12,872 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:13:12,892 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:13:12,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12 WrapperNode [2018-11-18 15:13:12,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:13:12,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:13:12,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:13:12,893 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:13:12,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:13:12,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:13:12,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:13:12,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:13:12,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... [2018-11-18 15:13:12,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:13:12,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:13:12,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:13:12,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:13:12,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:13:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/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 15:13:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:13:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:13:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:13:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:13:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:13:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:13:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:13:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:13:13,682 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:13:13,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:13 BoogieIcfgContainer [2018-11-18 15:13:13,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:13:13,683 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:13:13,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:13:13,690 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:13:13,690 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:13" (1/1) ... [2018-11-18 15:13:13,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:13:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2018-11-18 15:13:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2018-11-18 15:13:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 15:13:13,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:13,884 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 15:13:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2018-11-18 15:13:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2018-11-18 15:13:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 15:13:13,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:13,976 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 15:13:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2018-11-18 15:13:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2018-11-18 15:13:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:13:14,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:14,112 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 15:13:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 15:13:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 15:13:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 15:13:14,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:14,311 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 15:13:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2018-11-18 15:13:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2018-11-18 15:13:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 15:13:14,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:14,361 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 15:13:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2018-11-18 15:13:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2018-11-18 15:13:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:13:14,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:14,470 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 15:13:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 85 states and 123 transitions. [2018-11-18 15:13:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2018-11-18 15:13:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 15:13:14,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:14,923 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 15:13:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 96 states and 144 transitions. [2018-11-18 15:13:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2018-11-18 15:13:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:13:15,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:15,427 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 15:13:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2018-11-18 15:13:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2018-11-18 15:13:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 15:13:15,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:15,576 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 15:13:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2018-11-18 15:13:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2018-11-18 15:13:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 15:13:15,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:15,701 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 15:13:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-11-18 15:13:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-11-18 15:13:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:13:16,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:16,302 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 15:13:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 119 states and 193 transitions. [2018-11-18 15:13:16,432 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 193 transitions. [2018-11-18 15:13:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 15:13:16,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:16,459 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 15:13:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2018-11-18 15:13:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2018-11-18 15:13:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 15:13:16,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:16,575 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 15:13:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 121 states and 197 transitions. [2018-11-18 15:13:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 197 transitions. [2018-11-18 15:13:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:13:16,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:16,614 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 15:13:16,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:16,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 126 states and 206 transitions. [2018-11-18 15:13:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2018-11-18 15:13:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 15:13:16,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:16,883 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 15:13:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2018-11-18 15:13:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2018-11-18 15:13:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 15:13:17,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:17,168 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 15:13:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 219 transitions. [2018-11-18 15:13:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2018-11-18 15:13:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 15:13:17,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:17,405 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 15:13:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 229 transitions. [2018-11-18 15:13:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2018-11-18 15:13:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:13:18,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:18,062 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 15:13:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 233 transitions. [2018-11-18 15:13:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2018-11-18 15:13:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 15:13:18,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:13:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 126 states and 212 transitions. [2018-11-18 15:13:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-11-18 15:13:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:13:18,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:18,452 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 15:13:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 139 states and 240 transitions. [2018-11-18 15:13:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 240 transitions. [2018-11-18 15:13:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 15:13:19,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 15:13:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 142 states and 242 transitions. [2018-11-18 15:13:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2018-11-18 15:13:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:13:19,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:13:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 147 states and 250 transitions. [2018-11-18 15:13:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2018-11-18 15:13:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:13:19,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:19,952 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 15:13:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 155 states and 273 transitions. [2018-11-18 15:13:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 273 transitions. [2018-11-18 15:13:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:13:20,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:20,260 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 15:13:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 161 states and 283 transitions. [2018-11-18 15:13:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2018-11-18 15:13:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:13:20,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:20,541 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 15:13:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 164 states and 285 transitions. [2018-11-18 15:13:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 285 transitions. [2018-11-18 15:13:20,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 15:13:20,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:20,896 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 15:13:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 173 states and 302 transitions. [2018-11-18 15:13:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 302 transitions. [2018-11-18 15:13:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 15:13:22,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:22,300 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 15:13:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 175 states and 307 transitions. [2018-11-18 15:13:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 307 transitions. [2018-11-18 15:13:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 15:13:22,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 15:13:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 179 states and 311 transitions. [2018-11-18 15:13:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 311 transitions. [2018-11-18 15:13:22,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 15:13:22,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:22,960 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 15:13:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 180 states and 312 transitions. [2018-11-18 15:13:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 312 transitions. [2018-11-18 15:13:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:13:22,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 15:13:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 129 states and 198 transitions. [2018-11-18 15:13:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 198 transitions. [2018-11-18 15:13:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 15:13:23,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:23,420 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 15:13:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 131 states and 201 transitions. [2018-11-18 15:13:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2018-11-18 15:13:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 15:13:23,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:23,463 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 15:13:23,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 132 states and 202 transitions. [2018-11-18 15:13:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2018-11-18 15:13:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 15:13:23,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:13:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:13:23,516 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 15:13:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:13:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 66 states and 78 transitions. [2018-11-18 15:13:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2018-11-18 15:13:23,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:13:23,547 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-18 15:13:23,554 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:13:23,734 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,736 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 15:13:23,739 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 15:13:23,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,740 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 15:13:23,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:13:23,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:13:23 ImpRootNode [2018-11-18 15:13:23,741 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:13:23,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:13:23,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:13:23,742 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:13:23,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:13:13" (3/4) ... [2018-11-18 15:13:23,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:13:23,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:13:23,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:13:23,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:13:23,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:13:23,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:13:23,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:13:23,756 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-18 15:13:23,756 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:13:23,757 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:13:23,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2018-11-18 15:13:23,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_980e1538-7e93-41f2-a449-718b8740c692/bin-2019/ukojak/witness.graphml [2018-11-18 15:13:23,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:13:23,809 INFO L168 Benchmark]: Toolchain (without parser) took 11274.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 955.5 MB in the beginning and 859.5 MB in the end (delta: 95.9 MB). Peak memory consumption was 391.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,810 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:13:23,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.47 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,811 INFO L168 Benchmark]: Boogie Preprocessor took 24.14 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. [2018-11-18 15:13:23,811 INFO L168 Benchmark]: RCFGBuilder took 722.10 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,811 INFO L168 Benchmark]: CodeCheck took 10058.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 868.8 MB in the end (delta: 164.2 MB). Peak memory consumption was 342.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,811 INFO L168 Benchmark]: Witness Printer took 66.79 ms. Allocated memory is still 1.3 GB. Free memory was 868.8 MB in the beginning and 859.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:13:23,813 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 7 procedures, 76 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1712690812 SDtfs, 716817196 SDslu, 662505500 SDs, 0 SdLazy, 2112789404 SolverSat, 383729972 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13781 GetRequests, 13462 SyntacticMatches, 66 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28248 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1404 NumberOfCodeBlocks, 1404 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1371 ConstructedInterpolants, 0 QuantifiedInterpolants, 120899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 29 PerfectInterpolantSequences, 444/461 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: 510]: 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: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.47 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.14 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 722.10 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: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * CodeCheck took 10058.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 868.8 MB in the end (delta: 164.2 MB). Peak memory consumption was 342.0 MB. Max. memory is 11.5 GB. * Witness Printer took 66.79 ms. Allocated memory is still 1.3 GB. Free memory was 868.8 MB in the beginning and 859.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...