./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_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_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/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 e10040ad9d006089566ac73bab5ec598c71c2723 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:08:59,912 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:08:59,914 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:08:59,924 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:08:59,924 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:08:59,925 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:08:59,926 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:08:59,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:08:59,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:08:59,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:08:59,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:08:59,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:08:59,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:08:59,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:08:59,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:08:59,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:08:59,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:08:59,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:08:59,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:08:59,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:08:59,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:08:59,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:08:59,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:08:59,942 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:08:59,942 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:08:59,943 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:08:59,943 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:08:59,944 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:08:59,945 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:08:59,945 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:08:59,946 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:08:59,946 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:08:59,946 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:08:59,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:08:59,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:08:59,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:08:59,948 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:08:59,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:08:59,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:08:59,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:08:59,966 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:08:59,966 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:08:59,967 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:08:59,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:08:59,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:08:59,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:08:59,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:08:59,967 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:08:59,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:08:59,968 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:08:59,969 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:08:59,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:08:59,969 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:08:59,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:08:59,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:08:59,970 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_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/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 -> e10040ad9d006089566ac73bab5ec598c71c2723 [2018-10-26 22:09:00,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:09:00,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:09:00,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:09:00,019 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:09:00,020 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:09:00,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-10-26 22:09:00,064 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/data/ec884614f/32cf9a38ee0b43e39827304b2cc7e49b/FLAG3e2c5efb3 [2018-10-26 22:09:00,486 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:09:00,487 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/sv-benchmarks/c/product-lines/minepump_spec2_product18_true-unreach-call_false-termination.cil.c [2018-10-26 22:09:00,498 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/data/ec884614f/32cf9a38ee0b43e39827304b2cc7e49b/FLAG3e2c5efb3 [2018-10-26 22:09:00,510 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/data/ec884614f/32cf9a38ee0b43e39827304b2cc7e49b [2018-10-26 22:09:00,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:09:00,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:09:00,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:00,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:09:00,519 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:09:00,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:00,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c90e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00, skipping insertion in model container [2018-10-26 22:09:00,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:00,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:09:00,566 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:09:00,796 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:00,813 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:09:00,898 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:00,924 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:09:00,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00 WrapperNode [2018-10-26 22:09:00,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:00,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:00,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:09:00,925 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:09:00,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:01,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:09:01,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:09:01,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:09:01,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... [2018-10-26 22:09:01,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:09:01,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:09:01,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:09:01,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:09:01,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/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 [2018-10-26 22:09:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:09:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:09:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:09:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:09:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:09:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:09:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:09:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:09:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:09:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:09:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:09:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:09:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:09:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:09:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:09:03,861 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:09:03,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:03 BoogieIcfgContainer [2018-10-26 22:09:03,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:09:03,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:09:03,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:09:03,878 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:09:03,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:03" (1/1) ... [2018-10-26 22:09:03,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-10-26 22:09:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-10-26 22:09:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:09:03,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-10-26 22:09:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-10-26 22:09:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 22:09:04,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-10-26 22:09:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-10-26 22:09:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 22:09:04,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-10-26 22:09:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-10-26 22:09:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:09:05,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-10-26 22:09:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-10-26 22:09:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:09:06,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:06,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2018-10-26 22:09:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2018-10-26 22:09:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:09:06,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-10-26 22:09:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-10-26 22:09:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:09:06,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 100 states and 163 transitions. [2018-10-26 22:09:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2018-10-26 22:09:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 22:09:07,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2018-10-26 22:09:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2018-10-26 22:09:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:09:07,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2018-10-26 22:09:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2018-10-26 22:09:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:09:07,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:07,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2018-10-26 22:09:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2018-10-26 22:09:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:09:08,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 109 states and 180 transitions. [2018-10-26 22:09:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2018-10-26 22:09:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:09:09,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2018-10-26 22:09:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2018-10-26 22:09:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:09:09,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2018-10-26 22:09:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2018-10-26 22:09:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:09:09,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2018-10-26 22:09:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2018-10-26 22:09:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 22:09:10,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 210 transitions. [2018-10-26 22:09:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2018-10-26 22:09:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 22:09:10,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 125 states and 218 transitions. [2018-10-26 22:09:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 218 transitions. [2018-10-26 22:09:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:09:11,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:09:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 220 transitions. [2018-10-26 22:09:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 220 transitions. [2018-10-26 22:09:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 22:09:11,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 126 states and 216 transitions. [2018-10-26 22:09:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2018-10-26 22:09:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 22:09:11,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 142 states and 260 transitions. [2018-10-26 22:09:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2018-10-26 22:09:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:09:16,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 143 states and 261 transitions. [2018-10-26 22:09:16,993 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 261 transitions. [2018-10-26 22:09:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:09:16,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 145 states and 266 transitions. [2018-10-26 22:09:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 266 transitions. [2018-10-26 22:09:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:09:17,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:18,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 147 states and 270 transitions. [2018-10-26 22:09:18,426 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2018-10-26 22:09:18,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:09:18,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 152 states and 281 transitions. [2018-10-26 22:09:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 281 transitions. [2018-10-26 22:09:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:09:18,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 160 states and 304 transitions. [2018-10-26 22:09:19,602 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 304 transitions. [2018-10-26 22:09:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:09:19,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 309 transitions. [2018-10-26 22:09:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 309 transitions. [2018-10-26 22:09:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:09:20,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 169 states and 332 transitions. [2018-10-26 22:09:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 332 transitions. [2018-10-26 22:09:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:09:21,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:21,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 172 states and 336 transitions. [2018-10-26 22:09:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 336 transitions. [2018-10-26 22:09:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:09:21,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:09:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 174 states and 342 transitions. [2018-10-26 22:09:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 342 transitions. [2018-10-26 22:09:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:09:21,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:23,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 187 states and 379 transitions. [2018-10-26 22:09:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 379 transitions. [2018-10-26 22:09:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:09:23,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 190 states and 387 transitions. [2018-10-26 22:09:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 387 transitions. [2018-10-26 22:09:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:09:24,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 191 states and 388 transitions. [2018-10-26 22:09:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 388 transitions. [2018-10-26 22:09:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:09:24,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 203 states and 426 transitions. [2018-10-26 22:09:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 426 transitions. [2018-10-26 22:09:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:09:26,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 211 states and 441 transitions. [2018-10-26 22:09:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 441 transitions. [2018-10-26 22:09:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:09:28,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:28,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 214 states and 445 transitions. [2018-10-26 22:09:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 445 transitions. [2018-10-26 22:09:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:09:28,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 219 states and 457 transitions. [2018-10-26 22:09:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 457 transitions. [2018-10-26 22:09:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 22:09:29,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 222 states and 461 transitions. [2018-10-26 22:09:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 461 transitions. [2018-10-26 22:09:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:09:30,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 223 states and 466 transitions. [2018-10-26 22:09:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 466 transitions. [2018-10-26 22:09:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:09:30,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:09:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 224 states and 463 transitions. [2018-10-26 22:09:30,974 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 463 transitions. [2018-10-26 22:09:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:09:30,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 225 states and 462 transitions. [2018-10-26 22:09:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 462 transitions. [2018-10-26 22:09:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:09:31,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:09:32,192 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:09:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 238 states and 502 transitions. [2018-10-26 22:09:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 502 transitions. [2018-10-26 22:09:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 22:09:33,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:09:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 238 states and 497 transitions. [2018-10-26 22:09:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 497 transitions. [2018-10-26 22:09:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 22:09:34,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:09:34,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 239 states and 498 transitions. [2018-10-26 22:09:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 498 transitions. [2018-10-26 22:09:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 22:09:34,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 22:09:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 240 states and 499 transitions. [2018-10-26 22:09:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 499 transitions. [2018-10-26 22:09:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:09:34,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:09:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 248 states and 525 transitions. [2018-10-26 22:09:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 525 transitions. [2018-10-26 22:09:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:09:36,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 255 states and 545 transitions. [2018-10-26 22:09:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 545 transitions. [2018-10-26 22:09:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:09:37,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 258 states and 553 transitions. [2018-10-26 22:09:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 553 transitions. [2018-10-26 22:09:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:09:38,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:40,123 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:09:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 261 states and 559 transitions. [2018-10-26 22:09:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 559 transitions. [2018-10-26 22:09:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:09:41,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:09:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:42,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 263 states and 562 transitions. [2018-10-26 22:09:42,703 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 562 transitions. [2018-10-26 22:09:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:09:42,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:09:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 264 states and 563 transitions. [2018-10-26 22:09:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 563 transitions. [2018-10-26 22:09:43,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 22:09:43,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 266 states and 568 transitions. [2018-10-26 22:09:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 568 transitions. [2018-10-26 22:09:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:09:43,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 274 states and 583 transitions. [2018-10-26 22:09:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 583 transitions. [2018-10-26 22:09:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-26 22:09:45,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:09:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 269 states and 571 transitions. [2018-10-26 22:09:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 571 transitions. [2018-10-26 22:09:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:09:45,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 22:09:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:45,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 270 states and 572 transitions. [2018-10-26 22:09:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 572 transitions. [2018-10-26 22:09:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 22:09:45,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 22:09:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 273 states and 573 transitions. [2018-10-26 22:09:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 573 transitions. [2018-10-26 22:09:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 22:09:46,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 60 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:09:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:47,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 275 states and 577 transitions. [2018-10-26 22:09:47,244 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 577 transitions. [2018-10-26 22:09:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 22:09:47,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:09:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:09:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:09:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 99 states and 131 transitions. [2018-10-26 22:09:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2018-10-26 22:09:48,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:09:48,091 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-10-26 22:09:48,100 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:09:48,648 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2018-10-26 22:09:48,939 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,942 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 22:09:48,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,946 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,947 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,948 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,948 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:09:48,948 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 22:09:48,949 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-26 22:09:48,949 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 22:09:48,950 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 22:09:48,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:09:48 ImpRootNode [2018-10-26 22:09:48,950 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:09:48,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:09:48,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:09:48,954 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:09:48,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:03" (3/4) ... [2018-10-26 22:09:48,958 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:09:48,962 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:09:48,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:09:48,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:09:48,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:09:48,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:09:48,963 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:09:48,969 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-10-26 22:09:48,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-10-26 22:09:48,970 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 22:09:48,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) [2018-10-26 22:09:48,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) [2018-10-26 22:09:48,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == methaneLevelCritical) && !(0 == systemActive)) || 0 == methAndRunningLastTime) || (!(\old(pumpRunning) == 0) && methaneLevelCritical == systemActive)) || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(pumpRunning == \old(pumpRunning)) && methaneLevelCritical == systemActive) [2018-10-26 22:09:49,038 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_16eaacdb-cfa2-44f3-8635-0082c7d6aea6/bin-2019/ukojak/witness.graphml [2018-10-26 22:09:49,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:09:49,039 INFO L168 Benchmark]: Toolchain (without parser) took 48525.46 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 651.2 MB). Free memory was 954.4 MB in the beginning and 1.5 GB in the end (delta: -542.9 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,040 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:09:49,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -217.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,040 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,041 INFO L168 Benchmark]: RCFGBuilder took 2742.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,041 INFO L168 Benchmark]: CodeCheck took 45088.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 490.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -462.4 MB). Peak memory consumption was 707.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,041 INFO L168 Benchmark]: Witness Printer took 84.07 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 29.9 kB). Peak memory consumption was 29.9 kB. Max. memory is 11.5 GB. [2018-10-26 22:09:49,045 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, 115 locations, 1 error locations. SAFE Result, 44.1s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -191459064 SDtfs, 751287248 SDslu, -732275012 SDs, 0 SdLazy, 385737374 SolverSat, 429333966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29954 GetRequests, 29274 SyntacticMatches, 212 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112050 ImplicationChecksByTransitivity, 37.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 2642 NumberOfCodeBlocks, 2642 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2586 ConstructedInterpolants, 0 QuantifiedInterpolants, 323197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 28 PerfectInterpolantSequences, 1035/1250 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: 917]: 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: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((((!(systemActive == methaneLevelCritical) && !(0 == systemActive)) || 0 == methAndRunningLastTime) || (!(\old(pumpRunning) == 0) && methaneLevelCritical == systemActive)) || 0 == methaneLevelCritical) || (methAndRunningLastTime == 1 && 0 == systemActive)) || (!(pumpRunning == \old(pumpRunning)) && methaneLevelCritical == systemActive) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || (!(0 == methAndRunningLastTime) && !(0 == tmp)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 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 145.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -217.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2742.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * CodeCheck took 45088.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 490.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -462.4 MB). Peak memory consumption was 707.9 MB. Max. memory is 11.5 GB. * Witness Printer took 84.07 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 29.9 kB). Peak memory consumption was 29.9 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...