./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_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_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:51:56,772 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:51:56,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:51:56,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:51:56,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:51:56,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:51:56,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:51:56,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:51:56,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:51:56,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:51:56,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:51:56,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:51:56,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:51:56,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:51:56,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:51:56,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:51:56,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:51:56,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:51:56,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:51:56,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:51:56,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:51:56,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:51:56,803 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:51:56,803 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:51:56,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:51:56,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:51:56,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:51:56,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:51:56,807 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:51:56,808 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:51:56,808 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:51:56,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:51:56,810 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:51:56,810 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:51:56,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:51:56,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:51:56,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:51:56,824 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:51:56,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:51:56,826 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:51:56,826 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:51:56,827 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:51:56,827 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:51:56,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:51:56,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:51:56,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:51:56,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:51:56,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:51:56,829 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:51:56,830 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:51:56,831 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:51:56,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:51:56,831 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:51:56,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:51:56,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:51:56,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:51:56,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:51:56,832 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:51:56,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:51:56,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:51:56,832 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_da360474-ff56-42b0-855e-b5a153cc7c00/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-10-27 00:51:56,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:51:56,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:51:56,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:51:56,878 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:51:56,879 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:51:56,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-10-27 00:51:56,927 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/data/3913e623a/51b7ad5bce1d44a2a819564ca366c960/FLAG62aba32af [2018-10-27 00:51:57,364 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:51:57,364 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-10-27 00:51:57,374 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/data/3913e623a/51b7ad5bce1d44a2a819564ca366c960/FLAG62aba32af [2018-10-27 00:51:57,386 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/data/3913e623a/51b7ad5bce1d44a2a819564ca366c960 [2018-10-27 00:51:57,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:51:57,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:51:57,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:51:57,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:51:57,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:51:57,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd24825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57, skipping insertion in model container [2018-10-27 00:51:57,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:51:57,462 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:51:57,688 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:51:57,707 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:51:57,785 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:51:57,814 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:51:57,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57 WrapperNode [2018-10-27 00:51:57,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:51:57,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:51:57,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:51:57,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:51:57,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:51:57,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:51:57,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:51:57,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:51:57,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... [2018-10-27 00:51:57,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:51:57,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:51:57,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:51:57,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:51:57,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:51:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/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 [2018-10-27 00:51:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:51:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 00:51:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 00:51:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:51:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:51:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:51:58,036 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:51:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:51:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:51:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:51:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:51:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:51:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:51:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:51:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:52:00,326 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:52:00,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:52:00 BoogieIcfgContainer [2018-10-27 00:52:00,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:52:00,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:52:00,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:52:00,337 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:52:00,337 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:52:00" (1/1) ... [2018-10-27 00:52:00,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:52:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-10-27 00:52:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-10-27 00:52:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 00:52:00,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2018-10-27 00:52:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2018-10-27 00:52:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 00:52:00,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-10-27 00:52:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-10-27 00:52:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 00:52:00,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2018-10-27 00:52:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2018-10-27 00:52:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:52:01,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2018-10-27 00:52:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2018-10-27 00:52:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 00:52:01,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:02,091 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 00:52:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 119 transitions. [2018-10-27 00:52:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2018-10-27 00:52:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 00:52:02,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2018-10-27 00:52:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2018-10-27 00:52:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 00:52:02,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:04,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 108 states and 169 transitions. [2018-10-27 00:52:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2018-10-27 00:52:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:52:04,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:52:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 109 states and 170 transitions. [2018-10-27 00:52:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2018-10-27 00:52:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:52:05,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 114 states and 180 transitions. [2018-10-27 00:52:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2018-10-27 00:52:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-27 00:52:05,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 115 states and 181 transitions. [2018-10-27 00:52:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 181 transitions. [2018-10-27 00:52:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:52:05,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 197 transitions. [2018-10-27 00:52:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2018-10-27 00:52:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:52:05,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:52:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 125 states and 203 transitions. [2018-10-27 00:52:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 203 transitions. [2018-10-27 00:52:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:52:06,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 199 transitions. [2018-10-27 00:52:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2018-10-27 00:52:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:52:06,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 204 transitions. [2018-10-27 00:52:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2018-10-27 00:52:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:52:07,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:52:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 208 transitions. [2018-10-27 00:52:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 208 transitions. [2018-10-27 00:52:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:52:08,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 139 states and 222 transitions. [2018-10-27 00:52:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 222 transitions. [2018-10-27 00:52:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:52:08,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 236 transitions. [2018-10-27 00:52:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 236 transitions. [2018-10-27 00:52:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:52:10,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:52:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 129 states and 194 transitions. [2018-10-27 00:52:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2018-10-27 00:52:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 00:52:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:52:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 136 states and 208 transitions. [2018-10-27 00:52:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 208 transitions. [2018-10-27 00:52:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 00:52:11,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:52:11,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 139 states and 211 transitions. [2018-10-27 00:52:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 211 transitions. [2018-10-27 00:52:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-27 00:52:11,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:52:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 235 transitions. [2018-10-27 00:52:12,825 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 235 transitions. [2018-10-27 00:52:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-27 00:52:12,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:52:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:13,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 156 states and 238 transitions. [2018-10-27 00:52:13,179 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2018-10-27 00:52:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 00:52:13,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:52:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 132 states and 190 transitions. [2018-10-27 00:52:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2018-10-27 00:52:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 00:52:13,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:52:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 134 states and 193 transitions. [2018-10-27 00:52:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 193 transitions. [2018-10-27 00:52:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 00:52:13,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:52:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 135 states and 194 transitions. [2018-10-27 00:52:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2018-10-27 00:52:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 00:52:13,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:52:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 59 states and 71 transitions. [2018-10-27 00:52:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-10-27 00:52:13,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:52:13,757 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-10-27 00:52:13,767 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:52:13,922 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 1 [2018-10-27 00:52:14,158 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,160 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,161 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-27 00:52:14,164 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,165 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-27 00:52:14,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,166 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,167 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,167 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,167 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:14,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:52:14 ImpRootNode [2018-10-27 00:52:14,167 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:52:14,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:52:14,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:52:14,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:52:14,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:52:00" (3/4) ... [2018-10-27 00:52:14,171 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:52:14,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 00:52:14,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:52:14,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:52:14,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:52:14,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:52:14,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:52:14,184 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-10-27 00:52:14,184 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-27 00:52:14,185 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-27 00:52:14,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-10-27 00:52:14,257 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da360474-ff56-42b0-855e-b5a153cc7c00/bin-2019/ukojak/witness.graphml [2018-10-27 00:52:14,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:52:14,258 INFO L168 Benchmark]: Toolchain (without parser) took 16868.37 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 954.8 MB in the beginning and 969.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 352.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,258 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:52:14,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.31 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 930.7 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,259 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,259 INFO L168 Benchmark]: RCFGBuilder took 2360.41 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: 96.9 MB). Peak memory consumption was 96.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,260 INFO L168 Benchmark]: CodeCheck took 13840.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 85.7 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,260 INFO L168 Benchmark]: Witness Printer took 89.74 ms. Allocated memory is still 1.4 GB. Free memory was 978.6 MB in the beginning and 969.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:14,264 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, 111 locations, 1 error locations. SAFE Result, 13.4s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1453518372 SDtfs, 578166380 SDslu, 987989212 SDs, 0 SdLazy, 905155964 SolverSat, 297520980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10306 GetRequests, 10038 SyntacticMatches, 76 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15446 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1077 ConstructedInterpolants, 0 QuantifiedInterpolants, 99835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 367/383 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 578]: 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: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.31 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 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 121.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 930.7 MB in the beginning and 1.2 GB in the end (delta: -233.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2360.41 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: 96.9 MB). Peak memory consumption was 96.9 MB. Max. memory is 11.5 GB. * CodeCheck took 13840.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.0 MB). Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 85.7 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. * Witness Printer took 89.74 ms. Allocated memory is still 1.4 GB. Free memory was 978.6 MB in the beginning and 969.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...