./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_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_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:52:49,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:52:49,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:52:49,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:52:49,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:52:49,890 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:52:49,891 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:52:49,892 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:52:49,893 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:52:49,894 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:52:49,895 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:52:49,895 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:52:49,896 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:52:49,896 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:52:49,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:52:49,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:52:49,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:52:49,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:52:49,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:52:49,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:52:49,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:52:49,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:52:49,906 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:52:49,906 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:52:49,906 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:52:49,907 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:52:49,907 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:52:49,908 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:52:49,909 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:52:49,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:52:49,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:52:49,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:52:49,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:52:49,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:52:49,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:52:49,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:52:49,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:52:49,923 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:52:49,923 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:52:49,924 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:52:49,924 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:52:49,924 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:52:49,924 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:52:49,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:52:49,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:52:49,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:52:49,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:52:49,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:52:49,926 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:52:49,926 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:52:49,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:52:49,926 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:52:49,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:52:49,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:52:49,927 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_21c41550-0893-4069-a132-4874ffcb4f8a/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2018-11-10 07:52:49,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:52:49,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:52:49,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:52:49,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:52:49,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:52:49,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-11-10 07:52:50,012 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/data/0be8cf88e/2ce3d6c6b01a45668fe70ef477c8ed29/FLAG343c31b33 [2018-11-10 07:52:50,383 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:52:50,384 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-11-10 07:52:50,391 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/data/0be8cf88e/2ce3d6c6b01a45668fe70ef477c8ed29/FLAG343c31b33 [2018-11-10 07:52:50,400 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/data/0be8cf88e/2ce3d6c6b01a45668fe70ef477c8ed29 [2018-11-10 07:52:50,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:52:50,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:52:50,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:50,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:52:50,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:52:50,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c04b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50, skipping insertion in model container [2018-11-10 07:52:50,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:52:50,450 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:52:50,652 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:50,661 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:52:50,714 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:52:50,735 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:52:50,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50 WrapperNode [2018-11-10 07:52:50,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:52:50,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:50,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:52:50,736 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:52:50,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:52:50,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:52:50,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:52:50,834 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:52:50,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... [2018-11-10 07:52:50,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:52:50,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:52:50,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:52:50,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:52:50,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:52:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/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 07:52:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:52:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:52:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:52:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:52:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:52:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:52:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:52:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:52:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:52:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:52:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:52:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:52:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:52:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:52:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:52:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:52:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:52:51,722 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:52:51,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:51 BoogieIcfgContainer [2018-11-10 07:52:51,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:52:51,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:52:51,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:52:51,729 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:52:51,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:51" (1/1) ... [2018-11-10 07:52:51,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:52:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-10 07:52:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-10 07:52:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:52:51,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:51,906 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 07:52:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2018-11-10 07:52:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2018-11-10 07:52:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:52:51,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,002 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 07:52:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-11-10 07:52:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-10 07:52:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 07:52:52,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,141 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 07:52:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-11-10 07:52:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-11-10 07:52:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 07:52:52,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,392 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 07:52:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-11-10 07:52:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-11-10 07:52:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:52:52,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,434 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 07:52:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-11-10 07:52:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-11-10 07:52:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:52:52,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,478 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 07:52:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-11-10 07:52:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-11-10 07:52:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:52:52,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:52,580 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 07:52:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 92 states and 136 transitions. [2018-11-10 07:52:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2018-11-10 07:52:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:52:52,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,082 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 07:52:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:53,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 108 states and 172 transitions. [2018-11-10 07:52:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2018-11-10 07:52:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:52:53,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,674 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 07:52:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-11-10 07:52:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-11-10 07:52:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:52:53,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 114 states and 184 transitions. [2018-11-10 07:52:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-11-10 07:52:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:52:53,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,848 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 07:52:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 115 states and 185 transitions. [2018-11-10 07:52:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2018-11-10 07:52:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 07:52:53,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,883 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 07:52:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:53,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 186 transitions. [2018-11-10 07:52:53,944 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2018-11-10 07:52:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 07:52:53,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 212 transitions. [2018-11-10 07:52:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2018-11-10 07:52:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 07:52:54,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 213 transitions. [2018-11-10 07:52:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2018-11-10 07:52:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 07:52:54,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2018-11-10 07:52:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2018-11-10 07:52:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 07:52:54,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 219 transitions. [2018-11-10 07:52:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2018-11-10 07:52:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:52:54,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 135 states and 224 transitions. [2018-11-10 07:52:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 224 transitions. [2018-11-10 07:52:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:52:54,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 225 transitions. [2018-11-10 07:52:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2018-11-10 07:52:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:52:54,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 148 states and 262 transitions. [2018-11-10 07:52:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 262 transitions. [2018-11-10 07:52:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:52:55,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 151 states and 266 transitions. [2018-11-10 07:52:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2018-11-10 07:52:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 07:52:55,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:55,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 268 transitions. [2018-11-10 07:52:55,492 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 268 transitions. [2018-11-10 07:52:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 07:52:55,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 07:52:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 268 transitions. [2018-11-10 07:52:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 268 transitions. [2018-11-10 07:52:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 07:52:55,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 164 states and 289 transitions. [2018-11-10 07:52:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2018-11-10 07:52:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 07:52:56,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 165 states and 290 transitions. [2018-11-10 07:52:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 290 transitions. [2018-11-10 07:52:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 07:52:57,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 166 states and 291 transitions. [2018-11-10 07:52:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2018-11-10 07:52:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 07:52:57,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 07:52:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:57,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 167 states and 288 transitions. [2018-11-10 07:52:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 288 transitions. [2018-11-10 07:52:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:52:57,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:52:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 170 states and 293 transitions. [2018-11-10 07:52:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2018-11-10 07:52:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:52:57,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:52:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 171 states and 292 transitions. [2018-11-10 07:52:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 292 transitions. [2018-11-10 07:52:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:52:58,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:52:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 295 transitions. [2018-11-10 07:52:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 295 transitions. [2018-11-10 07:52:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:52:58,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:52:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 140 states and 226 transitions. [2018-11-10 07:52:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2018-11-10 07:52:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:52:59,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 07:52:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 144 states and 233 transitions. [2018-11-10 07:52:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2018-11-10 07:52:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 07:52:59,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 07:52:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 145 states and 233 transitions. [2018-11-10 07:52:59,127 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2018-11-10 07:52:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 07:52:59,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 07:52:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 143 states and 229 transitions. [2018-11-10 07:52:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 229 transitions. [2018-11-10 07:52:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 07:52:59,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 07:52:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 140 states and 223 transitions. [2018-11-10 07:52:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 223 transitions. [2018-11-10 07:52:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:52:59,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:52:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 146 states and 234 transitions. [2018-11-10 07:52:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 234 transitions. [2018-11-10 07:52:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 07:52:59,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:52:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:52:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 07:52:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:52:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 84 states and 120 transitions. [2018-11-10 07:52:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2018-11-10 07:52:59,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:52:59,740 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-10 07:52:59,750 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:52:59,943 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,947 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-11-10 07:52:59,951 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,951 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,951 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,951 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,952 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,952 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:52:59,952 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,952 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:52:59,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:52:59 ImpRootNode [2018-11-10 07:52:59,953 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:52:59,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:52:59,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:52:59,953 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:52:59,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:52:51" (3/4) ... [2018-11-10 07:52:59,958 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:52:59,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 07:52:59,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:52:59,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:52:59,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:52:59,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:52:59,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:52:59,964 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:52:59,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 07:52:59,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-10 07:52:59,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 07:52:59,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || ((!(systemActive == 0) && waterLevel == 0) && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) [2018-11-10 07:53:00,029 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_21c41550-0893-4069-a132-4874ffcb4f8a/bin-2019/ukojak/witness.graphml [2018-11-10 07:53:00,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:53:00,030 INFO L168 Benchmark]: Toolchain (without parser) took 9628.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.8 MB). Free memory was 960.2 MB in the beginning and 843.7 MB in the end (delta: 116.5 MB). Peak memory consumption was 490.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:53:00,032 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:53:00,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:53:00,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:53:00,033 INFO L168 Benchmark]: Boogie Preprocessor took 25.47 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 07:53:00,033 INFO L168 Benchmark]: RCFGBuilder took 863.48 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:53:00,033 INFO L168 Benchmark]: CodeCheck took 8229.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.0 GB in the beginning and 843.7 MB in the end (delta: 184.1 MB). Peak memory consumption was 421.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:53:00,034 INFO L168 Benchmark]: Witness Printer took 76.34 ms. Allocated memory is still 1.4 GB. Free memory is still 843.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:53:00,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 116 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1092521928 SDtfs, 1141720120 SDslu, 1706485968 SDs, 0 SdLazy, 1422548384 SolverSat, -167535792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12039 GetRequests, 11635 SyntacticMatches, 190 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21874 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1230 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 109333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 358/383 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: 82]: 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: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || ((!(systemActive == 0) && waterLevel == 0) && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (0 == pumpRunning && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.47 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 863.48 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: 99.1 MB). Peak memory consumption was 99.1 MB. Max. memory is 11.5 GB. * CodeCheck took 8229.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.0 GB in the beginning and 843.7 MB in the end (delta: 184.1 MB). Peak memory consumption was 421.6 MB. Max. memory is 11.5 GB. * Witness Printer took 76.34 ms. Allocated memory is still 1.4 GB. Free memory is still 843.7 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...