./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_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_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:03:12,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:03:12,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:03:12,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:03:12,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:03:12,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:03:12,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:03:12,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:03:12,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:03:12,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:03:12,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:03:12,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:03:12,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:03:12,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:03:12,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:03:12,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:03:12,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:03:12,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:03:12,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:03:12,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:03:12,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:03:12,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:03:12,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:03:12,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:03:12,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:03:12,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:03:12,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:03:12,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:03:12,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:03:12,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:03:12,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:03:12,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:03:12,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:03:12,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:03:12,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:03:12,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:03:12,841 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:03:12,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:03:12,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:03:12,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:03:12,852 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:03:12,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:03:12,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:03:12,853 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:03:12,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:03:12,854 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:03:12,854 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:03:12,854 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:03:12,854 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:03:12,854 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:03:12,854 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:03:12,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:03:12,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:03:12,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:03:12,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:03:12,856 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_b9e50b04-d026-444c-a48b-63b5a10ad49e/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2018-11-10 05:03:12,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:03:12,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:03:12,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:03:12,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:03:12,893 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:03:12,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-10 05:03:12,925 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/data/b30ad6a7d/5c9a32b4966b4377a23ef8ed712d995e/FLAGcbf97b79d [2018-11-10 05:03:13,355 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:03:13,355 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-10 05:03:13,362 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/data/b30ad6a7d/5c9a32b4966b4377a23ef8ed712d995e/FLAGcbf97b79d [2018-11-10 05:03:13,370 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/data/b30ad6a7d/5c9a32b4966b4377a23ef8ed712d995e [2018-11-10 05:03:13,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:03:13,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:03:13,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:03:13,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:03:13,375 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:03:13,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13, skipping insertion in model container [2018-11-10 05:03:13,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:03:13,410 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:03:13,575 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:03:13,584 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:03:13,633 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:03:13,650 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:03:13,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13 WrapperNode [2018-11-10 05:03:13,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:03:13,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:03:13,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:03:13,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:03:13,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:03:13,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:03:13,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:03:13,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:03:13,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... [2018-11-10 05:03:13,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:03:13,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:03:13,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:03:13,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:03:13,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/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 [2018-11-10 05:03:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 05:03:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 05:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 05:03:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 05:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 05:03:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 05:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 05:03:13,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 05:03:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 05:03:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 05:03:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 05:03:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 05:03:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:03:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:03:14,663 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:03:14,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:14 BoogieIcfgContainer [2018-11-10 05:03:14,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:03:14,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:03:14,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:03:14,670 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:03:14,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:14" (1/1) ... [2018-11-10 05:03:14,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-11-10 05:03:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-11-10 05:03:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 05:03:14,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-10 05:03:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-10 05:03:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:03:14,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-10 05:03:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-10 05:03:15,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:03:15,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-11-10 05:03:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-11-10 05:03:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:03:15,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-10 05:03:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-10 05:03:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:03:15,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-10 05:03:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-10 05:03:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:03:15,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2018-11-10 05:03:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2018-11-10 05:03:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 05:03:15,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2018-11-10 05:03:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2018-11-10 05:03:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 05:03:15,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2018-11-10 05:03:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-10 05:03:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:03:15,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2018-11-10 05:03:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2018-11-10 05:03:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 05:03:16,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 155 transitions. [2018-11-10 05:03:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2018-11-10 05:03:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 05:03:16,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 168 transitions. [2018-11-10 05:03:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2018-11-10 05:03:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:03:16,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:03:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 112 states and 181 transitions. [2018-11-10 05:03:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2018-11-10 05:03:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:03:17,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 184 transitions. [2018-11-10 05:03:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-11-10 05:03:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 05:03:17,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:03:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 114 states and 185 transitions. [2018-11-10 05:03:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 185 transitions. [2018-11-10 05:03:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:03:17,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 191 transitions. [2018-11-10 05:03:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 191 transitions. [2018-11-10 05:03:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 05:03:17,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 226 transitions. [2018-11-10 05:03:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2018-11-10 05:03:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 05:03:18,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 227 transitions. [2018-11-10 05:03:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-11-10 05:03:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 05:03:18,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:03:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 228 transitions. [2018-11-10 05:03:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2018-11-10 05:03:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 05:03:18,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 145 states and 250 transitions. [2018-11-10 05:03:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 250 transitions. [2018-11-10 05:03:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 05:03:19,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 148 states and 259 transitions. [2018-11-10 05:03:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 259 transitions. [2018-11-10 05:03:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 05:03:19,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 158 states and 286 transitions. [2018-11-10 05:03:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2018-11-10 05:03:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 05:03:20,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 165 states and 309 transitions. [2018-11-10 05:03:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 309 transitions. [2018-11-10 05:03:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 05:03:20,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 166 states and 310 transitions. [2018-11-10 05:03:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 310 transitions. [2018-11-10 05:03:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 05:03:20,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:03:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 311 transitions. [2018-11-10 05:03:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 311 transitions. [2018-11-10 05:03:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 05:03:20,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 05:03:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 171 states and 318 transitions. [2018-11-10 05:03:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 318 transitions. [2018-11-10 05:03:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 05:03:20,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:03:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 319 transitions. [2018-11-10 05:03:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 319 transitions. [2018-11-10 05:03:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 05:03:21,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 05:03:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 180 states and 336 transitions. [2018-11-10 05:03:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2018-11-10 05:03:22,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 05:03:22,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 05:03:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 178 states and 330 transitions. [2018-11-10 05:03:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 330 transitions. [2018-11-10 05:03:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 05:03:22,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 05:03:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 178 states and 329 transitions. [2018-11-10 05:03:22,345 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 329 transitions. [2018-11-10 05:03:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 05:03:22,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:03:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 168 states and 305 transitions. [2018-11-10 05:03:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 305 transitions. [2018-11-10 05:03:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 05:03:22,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:03:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 295 transitions. [2018-11-10 05:03:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 295 transitions. [2018-11-10 05:03:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 05:03:22,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 05:03:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 165 states and 296 transitions. [2018-11-10 05:03:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 296 transitions. [2018-11-10 05:03:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:03:22,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:03:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 161 states and 284 transitions. [2018-11-10 05:03:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 284 transitions. [2018-11-10 05:03:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:03:22,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:03:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 157 states and 276 transitions. [2018-11-10 05:03:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 276 transitions. [2018-11-10 05:03:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 05:03:22,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:03:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:03:23,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:03:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 78 states and 105 transitions. [2018-11-10 05:03:23,221 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2018-11-10 05:03:23,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:03:23,221 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-10 05:03:23,230 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:03:23,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,486 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:03:23,490 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 05:03:23,491 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 05:03:23,491 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,491 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,491 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,491 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,492 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 05:03:23,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,493 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,493 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:03:23,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:03:23 ImpRootNode [2018-11-10 05:03:23,493 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:03:23,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:03:23,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:03:23,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:03:23,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:14" (3/4) ... [2018-11-10 05:03:23,500 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:03:23,504 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 05:03:23,504 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 05:03:23,504 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 05:03:23,504 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 05:03:23,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 05:03:23,505 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 05:03:23,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 05:03:23,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-10 05:03:23,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 05:03:23,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) [2018-11-10 05:03:23,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 05:03:23,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) [2018-11-10 05:03:23,565 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9e50b04-d026-444c-a48b-63b5a10ad49e/bin-2019/ukojak/witness.graphml [2018-11-10 05:03:23,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:03:23,565 INFO L168 Benchmark]: Toolchain (without parser) took 10193.43 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.5 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -239.4 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,566 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:03:23,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 935.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,567 INFO L168 Benchmark]: Boogie Preprocessor took 22.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,567 INFO L168 Benchmark]: RCFGBuilder took 912.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,567 INFO L168 Benchmark]: CodeCheck took 8829.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.9 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,568 INFO L168 Benchmark]: Witness Printer took 71.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:23,569 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, 114 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -31710688 SDtfs, 1799959442 SDslu, -1300146168 SDs, 0 SdLazy, 1714257752 SolverSat, 1817332830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16079 GetRequests, 15738 SyntacticMatches, 131 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16988 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1673 NumberOfCodeBlocks, 1673 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1638 ConstructedInterpolants, 0 QuantifiedInterpolants, 164090 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 22 PerfectInterpolantSequences, 719/761 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: 402]: 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: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 935.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 935.0 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 912.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. * CodeCheck took 8829.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.9 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. * Witness Printer took 71.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...