./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:43:21,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:43:21,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:43:21,909 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:43:21,909 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:43:21,910 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:43:21,911 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:43:21,912 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:43:21,913 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:43:21,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:43:21,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:43:21,915 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:43:21,916 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:43:21,917 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:43:21,917 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:43:21,918 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:43:21,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:43:21,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:43:21,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:43:21,922 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:43:21,923 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:43:21,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:43:21,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:43:21,926 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:43:21,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:43:21,927 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:43:21,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:43:21,928 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:43:21,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:43:21,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:43:21,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:43:21,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:43:21,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:43:21,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:43:21,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:43:21,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:43:21,931 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:43:21,939 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:43:21,939 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:43:21,940 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:43:21,940 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:43:21,941 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:43:21,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:43:21,941 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:43:21,942 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:43:21,942 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:43:21,942 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:43:21,943 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:43:21,943 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:43:21,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:43:21,944 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_d234a72f-ab0d-4908-90dd-a0fb01e0b951/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-11-23 05:43:21,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:43:21,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:43:21,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:43:21,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:43:21,988 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:43:21,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-23 05:43:22,041 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/data/71ebcd6de/a61e0919b3564d0bb7aa91d46268e928/FLAG64cce9ff1 [2018-11-23 05:43:22,431 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:43:22,432 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-23 05:43:22,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/data/71ebcd6de/a61e0919b3564d0bb7aa91d46268e928/FLAG64cce9ff1 [2018-11-23 05:43:22,817 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/data/71ebcd6de/a61e0919b3564d0bb7aa91d46268e928 [2018-11-23 05:43:22,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:43:22,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:43:22,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:43:22,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:43:22,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:43:22,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:43:22" (1/1) ... [2018-11-23 05:43:22,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da339c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:22, skipping insertion in model container [2018-11-23 05:43:22,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:43:22" (1/1) ... [2018-11-23 05:43:22,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:43:22,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:43:23,085 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:43:23,096 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:43:23,206 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:43:23,227 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:43:23,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23 WrapperNode [2018-11-23 05:43:23,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:43:23,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:43:23,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:43:23,228 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:43:23,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:43:23,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:43:23,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:43:23,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:43:23,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:43:23,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:43:23,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:43:23,298 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:43:23,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:43:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/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 [2018-11-23 05:43:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:43:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:43:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:43:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:43:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:43:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:43:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:43:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:43:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:43:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:43:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:43:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:43:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:43:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:43:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:43:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:43:23,841 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:43:23,842 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 05:43:23,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:43:23 BoogieIcfgContainer [2018-11-23 05:43:23,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:43:23,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:43:23,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:43:23,850 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:43:23,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:43:23" (1/1) ... [2018-11-23 05:43:23,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:43:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2018-11-23 05:43:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-11-23 05:43:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 05:43:23,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2018-11-23 05:43:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2018-11-23 05:43:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:43:24,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2018-11-23 05:43:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2018-11-23 05:43:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 05:43:24,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2018-11-23 05:43:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2018-11-23 05:43:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 05:43:24,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2018-11-23 05:43:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2018-11-23 05:43:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 05:43:24,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-11-23 05:43:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-11-23 05:43:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 05:43:24,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2018-11-23 05:43:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2018-11-23 05:43:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 05:43:24,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 81 states and 131 transitions. [2018-11-23 05:43:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2018-11-23 05:43:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 05:43:25,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 138 transitions. [2018-11-23 05:43:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2018-11-23 05:43:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 05:43:25,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 150 transitions. [2018-11-23 05:43:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2018-11-23 05:43:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 05:43:25,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:25,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 153 transitions. [2018-11-23 05:43:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2018-11-23 05:43:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 05:43:25,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 156 transitions. [2018-11-23 05:43:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2018-11-23 05:43:25,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 05:43:25,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 159 transitions. [2018-11-23 05:43:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2018-11-23 05:43:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 05:43:26,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 161 transitions. [2018-11-23 05:43:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2018-11-23 05:43:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 05:43:26,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:26,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:26,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 189 transitions. [2018-11-23 05:43:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2018-11-23 05:43:26,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 05:43:26,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 190 transitions. [2018-11-23 05:43:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2018-11-23 05:43:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 05:43:26,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:43:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 191 transitions. [2018-11-23 05:43:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2018-11-23 05:43:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 05:43:26,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 128 states and 238 transitions. [2018-11-23 05:43:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2018-11-23 05:43:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 05:43:27,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 248 transitions. [2018-11-23 05:43:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 248 transitions. [2018-11-23 05:43:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 05:43:27,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 133 states and 249 transitions. [2018-11-23 05:43:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 249 transitions. [2018-11-23 05:43:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 05:43:28,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 135 states and 251 transitions. [2018-11-23 05:43:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions. [2018-11-23 05:43:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 05:43:28,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 05:43:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 275 transitions. [2018-11-23 05:43:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2018-11-23 05:43:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 05:43:29,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 273 transitions. [2018-11-23 05:43:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 273 transitions. [2018-11-23 05:43:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 05:43:29,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 145 states and 274 transitions. [2018-11-23 05:43:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 274 transitions. [2018-11-23 05:43:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 05:43:29,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:43:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 275 transitions. [2018-11-23 05:43:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 275 transitions. [2018-11-23 05:43:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 05:43:29,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 05:43:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 136 states and 255 transitions. [2018-11-23 05:43:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 255 transitions. [2018-11-23 05:43:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 05:43:29,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 05:43:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 140 states and 262 transitions. [2018-11-23 05:43:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 262 transitions. [2018-11-23 05:43:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 05:43:30,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,272 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 05:43:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 141 states and 263 transitions. [2018-11-23 05:43:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 263 transitions. [2018-11-23 05:43:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 05:43:30,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 05:43:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 136 states and 252 transitions. [2018-11-23 05:43:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2018-11-23 05:43:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 05:43:30,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,410 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 05:43:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 127 states and 235 transitions. [2018-11-23 05:43:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2018-11-23 05:43:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 05:43:30,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 05:43:30,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 123 states and 225 transitions. [2018-11-23 05:43:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 225 transitions. [2018-11-23 05:43:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 05:43:30,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 05:43:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 125 states and 227 transitions. [2018-11-23 05:43:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 227 transitions. [2018-11-23 05:43:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 05:43:30,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:43:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:43:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 05:43:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:43:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 62 states and 91 transitions. [2018-11-23 05:43:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2018-11-23 05:43:31,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:43:31,171 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-11-23 05:43:31,180 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:43:31,398 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,400 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,400 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,401 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,401 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 05:43:31,404 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,405 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,405 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-23 05:43:31,407 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,407 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,407 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,407 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:43:31,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:43:31 ImpRootNode [2018-11-23 05:43:31,408 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:43:31,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:43:31,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:43:31,408 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:43:31,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:43:23" (3/4) ... [2018-11-23 05:43:31,414 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:43:31,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:43:31,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:43:31,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:43:31,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:43:31,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:43:31,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:43:31,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 05:43:31,425 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 05:43:31,425 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 05:43:31,425 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 05:43:31,426 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:43:31,426 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:43:31,426 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:43:31,449 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && 1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-11-23 05:43:31,482 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d234a72f-ab0d-4908-90dd-a0fb01e0b951/bin-2019/ukojak/witness.graphml [2018-11-23 05:43:31,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:43:31,483 INFO L168 Benchmark]: Toolchain (without parser) took 8662.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 956.6 MB in the beginning and 913.8 MB in the end (delta: 42.8 MB). Peak memory consumption was 264.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:43:31,484 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:43:31,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:43:31,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.68 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. [2018-11-23 05:43:31,484 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 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. [2018-11-23 05:43:31,485 INFO L168 Benchmark]: RCFGBuilder took 543.97 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:43:31,485 INFO L168 Benchmark]: CodeCheck took 7565.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 920.8 MB in the end (delta: 131.1 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:43:31,485 INFO L168 Benchmark]: Witness Printer took 74.05 ms. Allocated memory is still 1.3 GB. Free memory was 920.8 MB in the beginning and 913.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:43:31,487 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, 63 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 299076800 SDtfs, -1222012834 SDslu, -2116445424 SDs, 0 SdLazy, 1191739530 SolverSat, -1885900336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12121 GetRequests, 11839 SyntacticMatches, 96 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15963 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1171 NumberOfCodeBlocks, 1171 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1139 ConstructedInterpolants, 0 QuantifiedInterpolants, 101040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 21 PerfectInterpolantSequences, 423/468 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: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: (((!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && 1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 646]: 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 405.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.68 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 23.18 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 543.97 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 7565.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 920.8 MB in the end (delta: 131.1 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.05 ms. Allocated memory is still 1.3 GB. Free memory was 920.8 MB in the beginning and 913.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...