./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:58:43,832 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:58:43,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:58:43,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:58:43,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:58:43,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:58:43,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:58:43,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:58:43,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:58:43,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:58:43,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:58:43,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:58:43,846 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:58:43,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:58:43,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:58:43,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:58:43,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:58:43,850 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:58:43,851 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:58:43,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:58:43,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:58:43,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:58:43,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:58:43,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:58:43,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:58:43,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:58:43,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:58:43,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:58:43,859 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:58:43,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:58:43,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:58:43,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:58:43,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:58:43,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:58:43,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:58:43,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:58:43,862 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:58:43,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:58:43,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:58:43,872 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:58:43,872 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:58:43,873 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:58:43,873 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:58:43,873 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:58:43,873 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:58:43,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:58:43,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:58:43,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:58:43,875 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:58:43,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:58:43,875 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:58:43,875 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:58:43,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:58:43,876 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:58:43,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:58:43,876 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_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-18 11:58:43,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:58:43,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:58:43,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:58:43,912 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:58:43,913 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:58:43,913 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-18 11:58:43,956 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/data/9a515e97a/c2985b2bf0924c31b8b6cdf0a50ca82e/FLAG0c7a4ccca [2018-11-18 11:58:44,395 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:58:44,395 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-18 11:58:44,401 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/data/9a515e97a/c2985b2bf0924c31b8b6cdf0a50ca82e/FLAG0c7a4ccca [2018-11-18 11:58:44,410 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/data/9a515e97a/c2985b2bf0924c31b8b6cdf0a50ca82e [2018-11-18 11:58:44,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:58:44,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:58:44,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:58:44,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:58:44,418 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:58:44,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44, skipping insertion in model container [2018-11-18 11:58:44,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:58:44,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:58:44,649 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:44,657 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:58:44,757 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:44,776 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:58:44,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44 WrapperNode [2018-11-18 11:58:44,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:58:44,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:44,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:58:44,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:58:44,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:44,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:58:44,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:58:44,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:58:44,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... [2018-11-18 11:58:44,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:58:44,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:58:44,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:58:44,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:58:44,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:58:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:58:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:58:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:58:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:58:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:58:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:58:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:58:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:58:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:58:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:58:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:58:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:58:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:58:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:58:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:58:45,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:58:45,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:45 BoogieIcfgContainer [2018-11-18 11:58:45,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:58:45,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:58:45,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:58:45,632 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:58:45,632 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:45" (1/1) ... [2018-11-18 11:58:45,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 11:58:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 11:58:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 11:58:45,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 11:58:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 11:58:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:58:45,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 11:58:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 11:58:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 11:58:45,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-18 11:58:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-18 11:58:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:58:46,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2018-11-18 11:58:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2018-11-18 11:58:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:58:46,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2018-11-18 11:58:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2018-11-18 11:58:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 11:58:46,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-11-18 11:58:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-11-18 11:58:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:58:46,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2018-11-18 11:58:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2018-11-18 11:58:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:58:47,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 141 transitions. [2018-11-18 11:58:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2018-11-18 11:58:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:58:47,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 142 transitions. [2018-11-18 11:58:47,205 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-11-18 11:58:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:58:47,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 143 transitions. [2018-11-18 11:58:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2018-11-18 11:58:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 11:58:47,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 165 transitions. [2018-11-18 11:58:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2018-11-18 11:58:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 11:58:47,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 167 transitions. [2018-11-18 11:58:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2018-11-18 11:58:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:58:47,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 163 transitions. [2018-11-18 11:58:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 163 transitions. [2018-11-18 11:58:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:58:47,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 157 transitions. [2018-11-18 11:58:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2018-11-18 11:58:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:58:47,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:58:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 191 transitions. [2018-11-18 11:58:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 191 transitions. [2018-11-18 11:58:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 11:58:48,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:58:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 118 states and 195 transitions. [2018-11-18 11:58:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-11-18 11:58:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:58:48,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:58:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 192 transitions. [2018-11-18 11:58:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-11-18 11:58:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 11:58:48,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:58:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 194 transitions. [2018-11-18 11:58:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 194 transitions. [2018-11-18 11:58:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:58:48,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:58:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 123 states and 195 transitions. [2018-11-18 11:58:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2018-11-18 11:58:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 11:58:48,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:58:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 124 states and 196 transitions. [2018-11-18 11:58:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 196 transitions. [2018-11-18 11:58:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:58:48,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:58:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 199 transitions. [2018-11-18 11:58:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2018-11-18 11:58:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:58:48,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:58:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 93 states and 132 transitions. [2018-11-18 11:58:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2018-11-18 11:58:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:58:49,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:58:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:49,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 98 states and 139 transitions. [2018-11-18 11:58:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2018-11-18 11:58:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:58:49,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:58:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 96 states and 135 transitions. [2018-11-18 11:58:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2018-11-18 11:58:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:58:49,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:58:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 54 states and 70 transitions. [2018-11-18 11:58:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-11-18 11:58:49,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:58:49,311 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-18 11:58:49,320 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:58:49,493 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,495 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,495 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,495 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 11:58:49,498 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,498 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,498 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,498 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:49,499 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 11:58:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:58:49 ImpRootNode [2018-11-18 11:58:49,500 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:58:49,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:49,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:49,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:49,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:45" (3/4) ... [2018-11-18 11:58:49,503 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:58:49,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:58:49,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 11:58:49,511 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:58:49,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:58:49,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 11:58:49,566 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d4ed375-2a56-466a-9ce0-3e3b070ae49c/bin-2019/ukojak/witness.graphml [2018-11-18 11:58:49,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:49,567 INFO L168 Benchmark]: Toolchain (without parser) took 5153.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -252.9 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,568 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 11:58:49,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,569 INFO L168 Benchmark]: Boogie Preprocessor took 17.93 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. [2018-11-18 11:58:49,569 INFO L168 Benchmark]: RCFGBuilder took 790.20 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: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,569 INFO L168 Benchmark]: CodeCheck took 3877.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,570 INFO L168 Benchmark]: Witness Printer took 65.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:49,571 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, 79 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 652845580 SDtfs, 205459644 SDslu, 341416748 SDs, 0 SdLazy, 267167036 SolverSat, 103541212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7153 GetRequests, 6961 SyntacticMatches, 104 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3155 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 799 NumberOfCodeBlocks, 799 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 63805 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 20 PerfectInterpolantSequences, 208/229 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: 44]: 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (tmp == systemActive && tmp == 1) && 0 == pumpRunning * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 361.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -195.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.93 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 790.20 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: 81.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3877.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 163.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -149.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...