./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_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_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:21:49,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 19:21:49,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 19:21:49,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 19:21:49,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 19:21:49,795 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 19:21:49,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 19:21:49,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 19:21:49,798 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 19:21:49,798 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 19:21:49,799 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 19:21:49,799 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 19:21:49,800 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 19:21:49,801 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 19:21:49,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 19:21:49,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 19:21:49,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 19:21:49,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 19:21:49,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 19:21:49,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 19:21:49,807 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 19:21:49,808 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 19:21:49,809 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 19:21:49,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 19:21:49,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 19:21:49,810 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 19:21:49,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 19:21:49,811 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 19:21:49,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 19:21:49,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 19:21:49,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 19:21:49,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 19:21:49,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 19:21:49,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 19:21:49,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 19:21:49,815 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 19:21:49,815 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 19:21:49,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 19:21:49,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 19:21:49,824 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 19:21:49,824 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 19:21:49,824 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 19:21:49,824 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 19:21:49,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 19:21:49,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 19:21:49,825 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 19:21:49,826 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 19:21:49,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 19:21:49,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 19:21:49,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 19:21:49,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 19:21:49,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 19:21:49,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 19:21:49,827 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 19:21:49,827 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 19:21:49,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 19:21:49,827 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_a1c11a23-255b-407c-bc27-ed6f136f2113/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2018-11-18 19:21:49,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 19:21:49,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 19:21:49,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 19:21:49,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 19:21:49,870 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 19:21:49,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-11-18 19:21:49,925 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/data/0b28fa8a7/0da7e60492ee41cf9dd89c7d9462e2b7/FLAGc6a4d1714 [2018-11-18 19:21:50,329 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 19:21:50,329 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-11-18 19:21:50,340 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/data/0b28fa8a7/0da7e60492ee41cf9dd89c7d9462e2b7/FLAGc6a4d1714 [2018-11-18 19:21:50,351 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/data/0b28fa8a7/0da7e60492ee41cf9dd89c7d9462e2b7 [2018-11-18 19:21:50,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 19:21:50,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 19:21:50,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 19:21:50,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 19:21:50,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 19:21:50,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50, skipping insertion in model container [2018-11-18 19:21:50,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 19:21:50,405 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 19:21:50,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:21:50,647 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 19:21:50,768 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 19:21:50,787 INFO L195 MainTranslator]: Completed translation [2018-11-18 19:21:50,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50 WrapperNode [2018-11-18 19:21:50,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 19:21:50,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 19:21:50,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 19:21:50,789 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 19:21:50,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 19:21:50,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 19:21:50,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 19:21:50,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 19:21:50,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... [2018-11-18 19:21:50,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 19:21:50,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 19:21:50,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 19:21:50,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 19:21:50,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:21:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/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 19:21:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 19:21:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 19:21:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 19:21:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 19:21:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 19:21:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 19:21:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 19:21:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 19:21:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 19:21:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 19:21:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 19:21:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 19:21:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 19:21:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 19:21:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 19:21:51,684 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 19:21:51,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:51 BoogieIcfgContainer [2018-11-18 19:21:51,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 19:21:51,685 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 19:21:51,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 19:21:51,692 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 19:21:51,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:51" (1/1) ... [2018-11-18 19:21:51,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 19:21:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:51,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 19:21:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 19:21:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 19:21:51,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:51,899 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 19:21:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 19:21:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 19:21:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 19:21:51,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:51,979 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 19:21:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 19:21:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 19:21:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 19:21:52,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,107 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 19:21:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-18 19:21:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-18 19:21:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 19:21:52,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,181 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 19:21:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2018-11-18 19:21:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2018-11-18 19:21:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 19:21:52,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,371 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 19:21:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2018-11-18 19:21:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2018-11-18 19:21:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 19:21:52,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2018-11-18 19:21:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2018-11-18 19:21:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 19:21:52,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,555 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 19:21:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2018-11-18 19:21:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2018-11-18 19:21:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 19:21:52,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:52,936 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 19:21:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 144 transitions. [2018-11-18 19:21:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-11-18 19:21:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 19:21:52,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,031 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 19:21:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 145 transitions. [2018-11-18 19:21:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2018-11-18 19:21:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 19:21:53,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,112 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 19:21:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 146 transitions. [2018-11-18 19:21:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2018-11-18 19:21:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 19:21:53,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,180 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 19:21:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 168 transitions. [2018-11-18 19:21:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2018-11-18 19:21:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 19:21:53,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,470 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 19:21:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 170 transitions. [2018-11-18 19:21:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2018-11-18 19:21:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 19:21:53,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,522 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 19:21:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 105 states and 166 transitions. [2018-11-18 19:21:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2018-11-18 19:21:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 19:21:53,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,580 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 19:21:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 102 states and 160 transitions. [2018-11-18 19:21:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2018-11-18 19:21:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 19:21:53,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:53,695 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 19:21:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 115 states and 194 transitions. [2018-11-18 19:21:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 194 transitions. [2018-11-18 19:21:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 19:21:54,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:54,083 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 19:21:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 118 states and 198 transitions. [2018-11-18 19:21:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2018-11-18 19:21:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 19:21:54,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:54,234 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 19:21:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 198 transitions. [2018-11-18 19:21:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2018-11-18 19:21:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 19:21:54,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 241 transitions. [2018-11-18 19:21:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2018-11-18 19:21:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 19:21:54,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:54,948 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 19:21:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 242 transitions. [2018-11-18 19:21:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2018-11-18 19:21:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 19:21:54,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:54,992 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 19:21:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 243 transitions. [2018-11-18 19:21:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 243 transitions. [2018-11-18 19:21:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 19:21:55,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 139 states and 247 transitions. [2018-11-18 19:21:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 247 transitions. [2018-11-18 19:21:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 19:21:55,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 140 states and 248 transitions. [2018-11-18 19:21:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 248 transitions. [2018-11-18 19:21:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 19:21:55,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 249 transitions. [2018-11-18 19:21:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2018-11-18 19:21:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 19:21:55,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 19:21:55,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 142 states and 246 transitions. [2018-11-18 19:21:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2018-11-18 19:21:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 19:21:55,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,429 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 19:21:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 144 states and 252 transitions. [2018-11-18 19:21:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2018-11-18 19:21:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 19:21:55,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,813 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 19:21:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 102 states and 154 transitions. [2018-11-18 19:21:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-18 19:21:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 19:21:55,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:55,961 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 19:21:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 107 states and 161 transitions. [2018-11-18 19:21:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2018-11-18 19:21:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 19:21:55,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:56,009 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 19:21:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 105 states and 157 transitions. [2018-11-18 19:21:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2018-11-18 19:21:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 19:21:56,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:21:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:21:56,056 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 19:21:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:21:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 57 states and 77 transitions. [2018-11-18 19:21:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2018-11-18 19:21:56,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:21:56,081 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-11-18 19:21:56,088 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:21:56,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,256 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 19:21:56,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,259 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-18 19:21:56,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,260 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 19:21:56,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,261 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:21:56,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:21:56 ImpRootNode [2018-11-18 19:21:56,262 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:21:56,262 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:21:56,262 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:21:56,262 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:21:56,263 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:21:51" (3/4) ... [2018-11-18 19:21:56,268 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:21:56,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 19:21:56,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 19:21:56,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 19:21:56,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 19:21:56,272 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 19:21:56,273 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 19:21:56,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 19:21:56,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 19:21:56,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 19:21:56,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 19:21:56,340 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a1c11a23-255b-407c-bc27-ed6f136f2113/bin-2019/ukojak/witness.graphml [2018-11-18 19:21:56,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:21:56,341 INFO L168 Benchmark]: Toolchain (without parser) took 5987.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -95.3 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,342 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-18 19:21:56,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,343 INFO L168 Benchmark]: Boogie Preprocessor took 26.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,343 INFO L168 Benchmark]: RCFGBuilder took 828.42 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,344 INFO L168 Benchmark]: CodeCheck took 4576.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,344 INFO L168 Benchmark]: Witness Printer took 78.44 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: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 19:21:56,345 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, 4.3s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2006612876 SDtfs, -932009660 SDslu, 1167936692 SDs, 0 SdLazy, -632335940 SolverSat, 1254130524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8974 GetRequests, 8766 SyntacticMatches, 104 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4724 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 935 ConstructedInterpolants, 0 QuantifiedInterpolants, 76860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 263/284 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: 643]: 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: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 == pumpRunning && systemActive == 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: !(0 == systemActive) || !(0 == pumpRunning) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 432.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.42 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 828.42 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 4576.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -1.9 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * Witness Printer took 78.44 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: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...