./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:11:13,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:11:13,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:11:13,695 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:11:13,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:11:13,696 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:11:13,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:11:13,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:11:13,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:11:13,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:11:13,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:11:13,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:11:13,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:11:13,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:11:13,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:11:13,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:11:13,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:11:13,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:11:13,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:11:13,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:11:13,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:11:13,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:11:13,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:11:13,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:11:13,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:11:13,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:11:13,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:11:13,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:11:13,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:11:13,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:11:13,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:11:13,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:11:13,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:11:13,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:11:13,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:11:13,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:11:13,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:11:13,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:11:13,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:11:13,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:11:13,747 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:11:13,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:11:13,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:11:13,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:11:13,749 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:11:13,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:11:13,750 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:11:13,751 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:11:13,751 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:11:13,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:11:13,751 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:11:13,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:11:13,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:11:13,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:11:13,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:11:13,752 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:11:13,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:11:13,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:11:13,755 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_f145a501-2793-44ec-8694-f0cd772042ed/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-10-27 00:11:13,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:11:13,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:11:13,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:11:13,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:11:13,806 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:11:13,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-10-27 00:11:13,853 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/data/47953562d/2c89c294056c45d68cf5b1c528d07f11/FLAG7519cb1bc [2018-10-27 00:11:14,282 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:11:14,283 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-10-27 00:11:14,292 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/data/47953562d/2c89c294056c45d68cf5b1c528d07f11/FLAG7519cb1bc [2018-10-27 00:11:14,304 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/data/47953562d/2c89c294056c45d68cf5b1c528d07f11 [2018-10-27 00:11:14,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:11:14,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:11:14,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:14,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:11:14,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:11:14,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1173b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14, skipping insertion in model container [2018-10-27 00:11:14,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:11:14,362 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:11:14,587 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:14,595 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:11:14,664 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:11:14,699 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:11:14,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14 WrapperNode [2018-10-27 00:11:14,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:11:14,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:11:14,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:11:14,701 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:11:14,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:11:14,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:11:14,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:11:14,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:11:14,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... [2018-10-27 00:11:14,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:11:14,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:11:14,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:11:14,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:11:14,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:11:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/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 [2018-10-27 00:11:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:11:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:11:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:11:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:11:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:11:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:11:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:11:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:11:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:11:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-27 00:11:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-27 00:11:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:11:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:11:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:11:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:11:16,887 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:11:16,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:16 BoogieIcfgContainer [2018-10-27 00:11:16,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:11:16,888 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:11:16,888 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:11:16,900 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:11:16,900 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:16" (1/1) ... [2018-10-27 00:11:16,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:11:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-10-27 00:11:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-10-27 00:11:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 00:11:16,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-10-27 00:11:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-10-27 00:11:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 00:11:17,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-10-27 00:11:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-10-27 00:11:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 00:11:17,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-10-27 00:11:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-10-27 00:11:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:11:18,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2018-10-27 00:11:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2018-10-27 00:11:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:11:18,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-10-27 00:11:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-10-27 00:11:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:11:18,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2018-10-27 00:11:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2018-10-27 00:11:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:11:19,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2018-10-27 00:11:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2018-10-27 00:11:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 00:11:21,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2018-10-27 00:11:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-10-27 00:11:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:11:21,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 111 states and 187 transitions. [2018-10-27 00:11:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 187 transitions. [2018-10-27 00:11:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 00:11:21,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:21,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:22,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 194 transitions. [2018-10-27 00:11:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2018-10-27 00:11:22,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 00:11:22,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2018-10-27 00:11:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2018-10-27 00:11:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 00:11:22,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2018-10-27 00:11:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-10-27 00:11:22,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 00:11:22,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 123 states and 209 transitions. [2018-10-27 00:11:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 209 transitions. [2018-10-27 00:11:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-27 00:11:23,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 214 transitions. [2018-10-27 00:11:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2018-10-27 00:11:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 00:11:23,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:11:25,062 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 00:11:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 242 transitions. [2018-10-27 00:11:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 242 transitions. [2018-10-27 00:11:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 00:11:25,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:11:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 245 transitions. [2018-10-27 00:11:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2018-10-27 00:11:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-27 00:11:25,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 262 transitions. [2018-10-27 00:11:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 262 transitions. [2018-10-27 00:11:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-27 00:11:26,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:11:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 146 states and 262 transitions. [2018-10-27 00:11:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2018-10-27 00:11:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 00:11:27,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:11:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 147 states and 265 transitions. [2018-10-27 00:11:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2018-10-27 00:11:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-27 00:11:27,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 00:11:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 150 states and 267 transitions. [2018-10-27 00:11:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2018-10-27 00:11:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:11:28,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 00:11:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 265 transitions. [2018-10-27 00:11:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 265 transitions. [2018-10-27 00:11:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:11:28,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 00:11:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 135 states and 234 transitions. [2018-10-27 00:11:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2018-10-27 00:11:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:11:28,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:11:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 241 transitions. [2018-10-27 00:11:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-10-27 00:11:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:11:29,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:11:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 140 states and 244 transitions. [2018-10-27 00:11:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2018-10-27 00:11:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:11:29,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:11:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:11:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:11:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:11:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 67 states and 101 transitions. [2018-10-27 00:11:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2018-10-27 00:11:30,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:11:30,245 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-10-27 00:11:30,253 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:11:30,464 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 1 [2018-10-27 00:11:30,886 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2018-10-27 00:11:30,991 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,993 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,993 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,993 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,993 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,994 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,994 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:30,999 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:31,000 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:31,000 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-27 00:11:31,001 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:31,002 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:11:31,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:11:31 ImpRootNode [2018-10-27 00:11:31,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:11:31,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:11:31,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:11:31,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:11:31,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:11:16" (3/4) ... [2018-10-27 00:11:31,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:11:31,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:11:31,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:11:31,013 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:11:31,014 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:11:31,014 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-27 00:11:31,014 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-27 00:11:31,021 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-10-27 00:11:31,021 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-27 00:11:31,022 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 00:11:31,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == 0 && \old(pumpRunning) == pumpRunning) || (waterLevel == 0 && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) [2018-10-27 00:11:31,088 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f145a501-2793-44ec-8694-f0cd772042ed/bin-2019/ukojak/witness.graphml [2018-10-27 00:11:31,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:11:31,089 INFO L168 Benchmark]: Toolchain (without parser) took 16779.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 366.0 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 254.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,090 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:11:31,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.75 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -240.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,091 INFO L168 Benchmark]: Boogie Preprocessor took 58.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,092 INFO L168 Benchmark]: RCFGBuilder took 2003.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,092 INFO L168 Benchmark]: CodeCheck took 14114.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.9 MB). Peak memory consumption was 180.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:11:31,092 INFO L168 Benchmark]: Witness Printer took 86.09 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:11:31,094 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, 110 locations, 1 error locations. SAFE Result, 13.3s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 642022688 SDtfs, 338482868 SDslu, 590341256 SDs, 0 SdLazy, 542717584 SolverSat, 170020932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8418 GetRequests, 8126 SyntacticMatches, 88 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19961 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 791 ConstructedInterpolants, 0 QuantifiedInterpolants, 73227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 251/293 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: 767]: 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((systemActive == 0 && \old(pumpRunning) == pumpRunning) || (waterLevel == 0 && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: ((tmp == 1 && 0 == pumpRunning) && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.75 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 936.6 MB in the beginning and 1.2 GB in the end (delta: -240.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2003.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. * CodeCheck took 14114.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.9 MB). Peak memory consumption was 180.0 MB. Max. memory is 11.5 GB. * Witness Printer took 86.09 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...