./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_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_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/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 f0335c6392c59c467837b14da92286fa43b99dfc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:09:29,854 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:09:29,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:09:29,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:09:29,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:09:29,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:09:29,864 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:09:29,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:09:29,866 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:09:29,867 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:09:29,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:09:29,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:09:29,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:09:29,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:09:29,870 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:09:29,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:09:29,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:09:29,872 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:09:29,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:09:29,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:09:29,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:09:29,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:09:29,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:09:29,878 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:09:29,878 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:09:29,879 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:09:29,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:09:29,880 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:09:29,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:09:29,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:09:29,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:09:29,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:09:29,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:09:29,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:09:29,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:09:29,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:09:29,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 13:09:29,895 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:09:29,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:09:29,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:09:29,896 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:09:29,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:09:29,897 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:09:29,897 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:09:29,897 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:09:29,897 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:09:29,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:09:29,897 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:09:29,898 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:09:29,898 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:09:29,899 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:09:29,899 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:09:29,899 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:09:29,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:09:29,899 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:09:29,899 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:09:29,900 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:09:29,900 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:09:29,900 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:09:29,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:09:29,900 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_5ba98c69-50bd-4761-a658-7e37f7be5187/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-10 13:09:29,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:09:29,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:09:29,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:09:29,936 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:09:29,937 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:09:29,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-10 13:09:29,971 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/data/79adab066/6d5cf0799b5844258c41279b470de2e5/FLAG11b6e241e [2018-11-10 13:09:30,342 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:09:30,343 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-10 13:09:30,353 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/data/79adab066/6d5cf0799b5844258c41279b470de2e5/FLAG11b6e241e [2018-11-10 13:09:30,365 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/data/79adab066/6d5cf0799b5844258c41279b470de2e5 [2018-11-10 13:09:30,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:09:30,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:09:30,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:09:30,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:09:30,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:09:30,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71729748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30, skipping insertion in model container [2018-11-10 13:09:30,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:09:30,409 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:09:30,592 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:09:30,600 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:09:30,651 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:09:30,672 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:09:30,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30 WrapperNode [2018-11-10 13:09:30,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:09:30,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:09:30,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:09:30,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:09:30,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:09:30,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:09:30,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:09:30,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:09:30,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... [2018-11-10 13:09:30,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:09:30,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:09:30,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:09:30,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:09:30,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:09:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/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 13:09:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 13:09:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 13:09:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 13:09:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 13:09:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 13:09:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 13:09:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 13:09:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 13:09:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 13:09:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 13:09:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 13:09:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 13:09:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 13:09:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:09:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:09:31,777 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:09:31,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:09:31 BoogieIcfgContainer [2018-11-10 13:09:31,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:09:31,778 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:09:31,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:09:31,786 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:09:31,786 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:09:31" (1/1) ... [2018-11-10 13:09:31,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:09:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-10 13:09:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-10 13:09:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 13:09:31,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:31,982 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 13:09:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-10 13:09:31,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-10 13:09:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:09:31,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,070 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 13:09:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-10 13:09:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-10 13:09:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 13:09:32,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,175 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 13:09:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-10 13:09:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-10 13:09:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 13:09:32,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,310 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 13:09:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2018-11-10 13:09:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2018-11-10 13:09:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 13:09:32,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,512 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 13:09:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2018-11-10 13:09:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2018-11-10 13:09:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 13:09:32,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,588 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 13:09:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2018-11-10 13:09:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2018-11-10 13:09:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 13:09:32,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:32,956 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 13:09:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2018-11-10 13:09:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2018-11-10 13:09:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 13:09:32,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,013 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 13:09:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 141 transitions. [2018-11-10 13:09:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2018-11-10 13:09:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:09:33,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,085 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 13:09:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 142 transitions. [2018-11-10 13:09:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 142 transitions. [2018-11-10 13:09:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 13:09:33,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:09:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 143 transitions. [2018-11-10 13:09:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2018-11-10 13:09:33,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 13:09:33,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,195 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 13:09:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 165 transitions. [2018-11-10 13:09:33,488 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2018-11-10 13:09:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 13:09:33,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,514 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 13:09:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 167 transitions. [2018-11-10 13:09:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2018-11-10 13:09:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 13:09:33,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,573 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 13:09:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 108 states and 168 transitions. [2018-11-10 13:09:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 168 transitions. [2018-11-10 13:09:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 13:09:33,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,614 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 13:09:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 157 transitions. [2018-11-10 13:09:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2018-11-10 13:09:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 13:09:33,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:33,713 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 13:09:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 191 transitions. [2018-11-10 13:09:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 191 transitions. [2018-11-10 13:09:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 13:09:34,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,068 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 13:09:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 118 states and 195 transitions. [2018-11-10 13:09:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2018-11-10 13:09:34,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 13:09:34,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 13:09:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 192 transitions. [2018-11-10 13:09:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-11-10 13:09:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 13:09:34,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 13:09:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 194 transitions. [2018-11-10 13:09:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 194 transitions. [2018-11-10 13:09:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 13:09:34,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,573 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 13:09:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 123 states and 195 transitions. [2018-11-10 13:09:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2018-11-10 13:09:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 13:09:34,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,617 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 13:09:34,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 124 states and 196 transitions. [2018-11-10 13:09:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 196 transitions. [2018-11-10 13:09:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 13:09:34,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,710 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 13:09:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 199 transitions. [2018-11-10 13:09:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2018-11-10 13:09:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 13:09:34,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:34,964 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 13:09:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 93 states and 132 transitions. [2018-11-10 13:09:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2018-11-10 13:09:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:09:35,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:35,156 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 13:09:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 98 states and 139 transitions. [2018-11-10 13:09:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2018-11-10 13:09:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 13:09:35,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:35,217 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 13:09:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 99 states and 140 transitions. [2018-11-10 13:09:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2018-11-10 13:09:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 13:09:35,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:09:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:09:35,278 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 13:09:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:09:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 54 states and 70 transitions. [2018-11-10 13:09:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-11-10 13:09:35,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:09:35,313 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-10 13:09:35,321 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 13:09:35,452 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,455 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,455 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,455 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,455 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,455 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,456 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,456 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,456 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 13:09:35,459 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,459 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,460 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,460 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 13:09:35,460 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,461 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,461 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,461 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:09:35,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:09:35 ImpRootNode [2018-11-10 13:09:35,461 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:09:35,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:09:35,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:09:35,462 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:09:35,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:09:31" (3/4) ... [2018-11-10 13:09:35,466 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 13:09:35,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 13:09:35,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-11-10 13:09:35,476 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 13:09:35,477 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 13:09:35,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-11-10 13:09:35,532 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ba98c69-50bd-4761-a658-7e37f7be5187/bin-2019/ukojak/witness.graphml [2018-11-10 13:09:35,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:09:35,533 INFO L168 Benchmark]: Toolchain (without parser) took 5165.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 959.3 MB in the beginning and 1.2 GB in the end (delta: -241.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,533 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:09:35,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 935.1 MB in the beginning and 1.2 GB in the end (delta: -217.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,534 INFO L168 Benchmark]: Boogie Preprocessor took 24.19 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,534 INFO L168 Benchmark]: RCFGBuilder took 991.25 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: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,535 INFO L168 Benchmark]: CodeCheck took 3683.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,535 INFO L168 Benchmark]: Witness Printer took 70.45 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:09:35,536 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, 113 locations, 1 error locations. SAFE Result, 3.5s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 656515596 SDtfs, 220139708 SDslu, 368155436 SDs, 0 SdLazy, 290759996 SolverSat, 109308380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7137 GetRequests, 6941 SyntacticMatches, 108 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3204 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 772 ConstructedInterpolants, 0 QuantifiedInterpolants, 63829 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: 890]: 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: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 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 87.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 935.1 MB in the beginning and 1.2 GB in the end (delta: -217.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.19 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 991.25 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: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3683.62 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.9 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Witness Printer took 70.45 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...