./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/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_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/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-aa41828 [2018-11-23 00:23:36,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:23:36,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:23:36,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:23:36,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:23:36,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:23:36,945 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:23:36,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:23:36,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:23:36,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:23:36,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:23:36,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:23:36,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:23:36,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:23:36,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:23:36,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:23:36,952 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:23:36,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:23:36,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:23:36,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:23:36,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:23:36,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:23:36,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:23:36,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:23:36,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:23:36,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:23:36,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:23:36,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:23:36,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:23:36,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:23:36,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:23:36,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:23:36,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:23:36,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:23:36,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:23:36,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:23:36,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:23:36,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:23:36,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:23:36,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:23:36,976 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:23:36,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:23:36,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:23:36,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:23:36,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:23:36,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:23:36,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:23:36,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:23:36,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:23:36,978 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:23:36,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:23:36,979 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:23:36,979 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:23:36,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:23:36,980 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_74fceb69-4311-4626-8e27-eb2dd205661f/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 [2018-11-23 00:23:37,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:23:37,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:23:37,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:23:37,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:23:37,013 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:23:37,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-23 00:23:37,048 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/data/22022d2a0/1d22e8daee994f0ca9d2e05ad887b0c8/FLAG9433ae0d8 [2018-11-23 00:23:37,478 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:23:37,478 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/sv-benchmarks/c/product-lines/minepump_spec2_product17_true-unreach-call_false-termination.cil.c [2018-11-23 00:23:37,487 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/data/22022d2a0/1d22e8daee994f0ca9d2e05ad887b0c8/FLAG9433ae0d8 [2018-11-23 00:23:37,497 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/data/22022d2a0/1d22e8daee994f0ca9d2e05ad887b0c8 [2018-11-23 00:23:37,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:23:37,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:23:37,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:23:37,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:23:37,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:23:37,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37, skipping insertion in model container [2018-11-23 00:23:37,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:23:37,540 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:23:37,735 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:23:37,786 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:23:37,840 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:23:37,856 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:23:37,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37 WrapperNode [2018-11-23 00:23:37,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:23:37,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:23:37,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:23:37,857 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:23:37,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:23:37,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:23:37,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:23:37,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:23:37,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... [2018-11-23 00:23:37,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:23:37,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:23:37,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:23:37,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:23:37,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/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 [2018-11-23 00:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:23:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:23:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:23:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:23:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:23:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:23:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:23:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:23:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:23:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:23:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:23:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:23:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:23:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:23:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:23:38,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:23:38,484 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-23 00:23:38,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:38 BoogieIcfgContainer [2018-11-23 00:23:38,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:23:38,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:23:38,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:23:38,492 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:23:38,492 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:38" (1/1) ... [2018-11-23 00:23:38,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:23:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-11-23 00:23:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-11-23 00:23:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:23:38,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-11-23 00:23:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-11-23 00:23:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 00:23:38,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-23 00:23:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-23 00:23:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 00:23:38,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-11-23 00:23:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-11-23 00:23:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 00:23:38,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2018-11-23 00:23:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2018-11-23 00:23:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 00:23:39,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2018-11-23 00:23:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2018-11-23 00:23:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 00:23:39,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2018-11-23 00:23:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2018-11-23 00:23:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 00:23:39,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-11-23 00:23:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-11-23 00:23:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 00:23:39,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2018-11-23 00:23:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2018-11-23 00:23:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 00:23:39,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2018-11-23 00:23:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2018-11-23 00:23:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 00:23:39,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2018-11-23 00:23:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2018-11-23 00:23:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 00:23:39,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:23:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2018-11-23 00:23:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-11-23 00:23:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 00:23:40,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2018-11-23 00:23:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2018-11-23 00:23:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 00:23:40,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2018-11-23 00:23:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-11-23 00:23:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 00:23:40,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:23:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2018-11-23 00:23:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2018-11-23 00:23:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 00:23:41,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 177 transitions. [2018-11-23 00:23:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-11-23 00:23:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 00:23:41,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2018-11-23 00:23:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-11-23 00:23:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 00:23:41,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 216 transitions. [2018-11-23 00:23:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2018-11-23 00:23:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 00:23:42,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 217 transitions. [2018-11-23 00:23:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2018-11-23 00:23:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 00:23:42,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 126 states and 225 transitions. [2018-11-23 00:23:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2018-11-23 00:23:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 00:23:42,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:42,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:23:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 226 transitions. [2018-11-23 00:23:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2018-11-23 00:23:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 00:23:42,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 252 transitions. [2018-11-23 00:23:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2018-11-23 00:23:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 00:23:43,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 143 states and 275 transitions. [2018-11-23 00:23:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2018-11-23 00:23:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 00:23:43,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 144 states and 276 transitions. [2018-11-23 00:23:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 276 transitions. [2018-11-23 00:23:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 00:23:43,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:23:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2018-11-23 00:23:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2018-11-23 00:23:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 00:23:43,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 00:23:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2018-11-23 00:23:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2018-11-23 00:23:44,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 00:23:44,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 00:23:45,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:45,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2018-11-23 00:23:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2018-11-23 00:23:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 00:23:45,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 00:23:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 151 states and 289 transitions. [2018-11-23 00:23:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 289 transitions. [2018-11-23 00:23:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 00:23:45,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:23:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2018-11-23 00:23:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2018-11-23 00:23:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 00:23:45,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:23:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2018-11-23 00:23:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-11-23 00:23:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 00:23:46,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 00:23:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2018-11-23 00:23:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2018-11-23 00:23:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 00:23:46,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 00:23:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2018-11-23 00:23:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2018-11-23 00:23:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 00:23:46,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 00:23:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2018-11-23 00:23:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2018-11-23 00:23:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 00:23:46,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:23:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 153 states and 283 transitions. [2018-11-23 00:23:46,737 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2018-11-23 00:23:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 00:23:46,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:23:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2018-11-23 00:23:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2018-11-23 00:23:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 00:23:46,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 00:23:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2018-11-23 00:23:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2018-11-23 00:23:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 00:23:46,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 00:23:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2018-11-23 00:23:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2018-11-23 00:23:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 00:23:47,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:23:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:23:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 00:23:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:23:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2018-11-23 00:23:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-11-23 00:23:48,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:23:48,378 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2018-11-23 00:23:48,386 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:23:48,615 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 00:23:48,620 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,620 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 00:23:48,621 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 00:23:48,621 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,623 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:23:48,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:23:48 ImpRootNode [2018-11-23 00:23:48,623 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:23:48,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:23:48,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:23:48,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:23:48,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:38" (3/4) ... [2018-11-23 00:23:48,627 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:23:48,632 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:23:48,636 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 00:23:48,636 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 00:23:48,636 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 00:23:48,636 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 00:23:48,636 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:23:48,637 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:23:48,637 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:23:48,655 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-23 00:23:48,655 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-23 00:23:48,655 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-11-23 00:23:48,681 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74fceb69-4311-4626-8e27-eb2dd205661f/bin-2019/ukojak/witness.graphml [2018-11-23 00:23:48,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:23:48,681 INFO L168 Benchmark]: Toolchain (without parser) took 11182.37 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.7 MB). Free memory was 956.4 MB in the beginning and 1.4 GB in the end (delta: -454.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:23:48,682 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. [2018-11-23 00:23:48,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:23:48,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.85 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. [2018-11-23 00:23:48,682 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:23:48,683 INFO L168 Benchmark]: RCFGBuilder took 577.34 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:23:48,683 INFO L168 Benchmark]: CodeCheck took 10138.24 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -350.9 MB). Peak memory consumption was 493.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:23:48,683 INFO L168 Benchmark]: Witness Printer took 57.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 503.8 kB). Peak memory consumption was 503.8 kB. Max. memory is 11.5 GB. [2018-11-23 00:23:48,684 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, 67 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1496404016 SDtfs, 1623498706 SDslu, -922936612 SDs, 0 SdLazy, -1399206110 SolverSat, 2031972704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16726 GetRequests, 16326 SyntacticMatches, 166 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24094 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1681 NumberOfCodeBlocks, 1681 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 170316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 24 PerfectInterpolantSequences, 713/790 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: 247]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: 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 356.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.85 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. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 577.34 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 10138.24 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -350.9 MB). Peak memory consumption was 493.0 MB. Max. memory is 11.5 GB. * Witness Printer took 57.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 503.8 kB). Peak memory consumption was 503.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...