./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_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_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/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 b49fd66662c490ea81dc99d4f21b657b1bc3f920 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:15:46,907 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:15:46,908 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:15:46,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:15:46,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:15:46,916 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:15:46,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:15:46,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:15:46,918 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:15:46,919 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:15:46,920 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:15:46,920 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:15:46,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:15:46,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:15:46,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:15:46,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:15:46,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:15:46,924 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:15:46,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:15:46,926 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:15:46,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:15:46,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:15:46,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:15:46,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:15:46,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:15:46,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:15:46,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:15:46,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:15:46,932 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:15:46,933 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:15:46,933 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:15:46,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:15:46,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:15:46,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:15:46,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:15:46,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:15:46,935 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:15:46,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:15:46,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:15:46,945 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:15:46,946 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:15:46,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:15:46,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:15:46,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:15:46,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:15:46,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:15:46,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:15:46,948 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:15:46,948 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:15:46,948 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:15:46,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:15:46,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:15:46,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:15:46,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:15:46,949 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:15:46,949 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:15:46,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:15:46,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:15:46,949 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_48f62213-c92a-48ed-a3ec-9cfec0f01a29/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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-23 01:15:46,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:15:46,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:15:46,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:15:46,985 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:15:46,985 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:15:46,986 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-23 01:15:47,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/data/d420097a1/e812c181f238482f912cfc35d1afe86e/FLAG437c07dce [2018-11-23 01:15:47,452 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:15:47,453 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-23 01:15:47,462 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/data/d420097a1/e812c181f238482f912cfc35d1afe86e/FLAG437c07dce [2018-11-23 01:15:47,471 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/data/d420097a1/e812c181f238482f912cfc35d1afe86e [2018-11-23 01:15:47,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:15:47,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:15:47,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:15:47,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:15:47,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:15:47,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6541d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47, skipping insertion in model container [2018-11-23 01:15:47,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:15:47,515 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:15:47,709 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:15:47,716 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:15:47,823 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:15:47,840 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:15:47,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47 WrapperNode [2018-11-23 01:15:47,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:15:47,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:15:47,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:15:47,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:15:47,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:15:47,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:15:47,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:15:47,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:15:47,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... [2018-11-23 01:15:47,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:15:47,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:15:47,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:15:47,894 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:15:47,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/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 01:15:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:15:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:15:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:15:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:15:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:15:48,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:15:48,518 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 01:15:48,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:48 BoogieIcfgContainer [2018-11-23 01:15:48,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:15:48,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:15:48,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:15:48,530 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:15:48,530 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:48" (1/1) ... [2018-11-23 01:15:48,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:15:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-11-23 01:15:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-11-23 01:15:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 01:15:48,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:48,731 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 01:15:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-11-23 01:15:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-11-23 01:15:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:15:48,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:48,811 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 01:15:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-11-23 01:15:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-11-23 01:15:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:15:48,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:48,927 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 01:15:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2018-11-23 01:15:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2018-11-23 01:15:49,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 01:15:49,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:15:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2018-11-23 01:15:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2018-11-23 01:15:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 01:15:49,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,467 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 01:15:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 83 states and 126 transitions. [2018-11-23 01:15:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2018-11-23 01:15:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:15:49,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,499 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 01:15:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 84 states and 127 transitions. [2018-11-23 01:15:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2018-11-23 01:15:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:15:49,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,542 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 01:15:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 128 transitions. [2018-11-23 01:15:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2018-11-23 01:15:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 01:15:49,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,606 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 01:15:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 151 transitions. [2018-11-23 01:15:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2018-11-23 01:15:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:15:49,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:15:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 165 transitions. [2018-11-23 01:15:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2018-11-23 01:15:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:15:50,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,045 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 01:15:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 166 transitions. [2018-11-23 01:15:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions. [2018-11-23 01:15:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 01:15:50,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,120 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 01:15:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 189 transitions. [2018-11-23 01:15:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2018-11-23 01:15:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:15:50,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,530 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 01:15:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 190 transitions. [2018-11-23 01:15:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 190 transitions. [2018-11-23 01:15:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:15:50,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,552 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 01:15:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 200 transitions. [2018-11-23 01:15:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2018-11-23 01:15:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 01:15:50,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,680 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 01:15:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 201 transitions. [2018-11-23 01:15:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2018-11-23 01:15:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:15:50,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,729 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 01:15:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 124 states and 202 transitions. [2018-11-23 01:15:50,736 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2018-11-23 01:15:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 01:15:50,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:15:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 226 transitions. [2018-11-23 01:15:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2018-11-23 01:15:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:15:51,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:15:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 222 transitions. [2018-11-23 01:15:51,257 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2018-11-23 01:15:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:15:51,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:15:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 227 transitions. [2018-11-23 01:15:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-11-23 01:15:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 01:15:52,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:15:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 228 transitions. [2018-11-23 01:15:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2018-11-23 01:15:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:15:52,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:15:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 142 states and 242 transitions. [2018-11-23 01:15:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2018-11-23 01:15:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 01:15:52,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:15:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 143 states and 243 transitions. [2018-11-23 01:15:52,530 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2018-11-23 01:15:52,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:15:52,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:15:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 150 states and 255 transitions. [2018-11-23 01:15:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 255 transitions. [2018-11-23 01:15:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:15:52,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 152 states and 256 transitions. [2018-11-23 01:15:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2018-11-23 01:15:52,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 01:15:52,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:15:53,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 154 states and 257 transitions. [2018-11-23 01:15:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 257 transitions. [2018-11-23 01:15:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 01:15:53,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 155 states and 257 transitions. [2018-11-23 01:15:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 257 transitions. [2018-11-23 01:15:53,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:15:53,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:15:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 156 states and 258 transitions. [2018-11-23 01:15:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 258 transitions. [2018-11-23 01:15:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:15:53,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 172 states and 298 transitions. [2018-11-23 01:15:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 298 transitions. [2018-11-23 01:15:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:15:54,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 174 states and 299 transitions. [2018-11-23 01:15:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 299 transitions. [2018-11-23 01:15:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:15:54,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 184 states and 322 transitions. [2018-11-23 01:15:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2018-11-23 01:15:55,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:15:55,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 186 states and 322 transitions. [2018-11-23 01:15:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 322 transitions. [2018-11-23 01:15:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 01:15:56,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 189 states and 327 transitions. [2018-11-23 01:15:56,193 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 327 transitions. [2018-11-23 01:15:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:15:56,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 188 states and 324 transitions. [2018-11-23 01:15:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 324 transitions. [2018-11-23 01:15:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 01:15:56,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:15:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 189 states and 324 transitions. [2018-11-23 01:15:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 324 transitions. [2018-11-23 01:15:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:15:56,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 190 states and 325 transitions. [2018-11-23 01:15:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 325 transitions. [2018-11-23 01:15:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:15:56,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 188 states and 321 transitions. [2018-11-23 01:15:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 321 transitions. [2018-11-23 01:15:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 01:15:56,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 188 states and 317 transitions. [2018-11-23 01:15:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2018-11-23 01:15:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 01:15:56,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 01:15:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 189 states and 318 transitions. [2018-11-23 01:15:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 318 transitions. [2018-11-23 01:15:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 01:15:56,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:15:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 168 states and 268 transitions. [2018-11-23 01:15:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 268 transitions. [2018-11-23 01:15:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:15:57,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 01:15:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 149 states and 231 transitions. [2018-11-23 01:15:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions. [2018-11-23 01:15:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:15:57,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:15:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 153 states and 238 transitions. [2018-11-23 01:15:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2018-11-23 01:15:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 01:15:57,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:15:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 154 states and 238 transitions. [2018-11-23 01:15:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 238 transitions. [2018-11-23 01:15:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:15:57,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:15:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 152 states and 234 transitions. [2018-11-23 01:15:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 234 transitions. [2018-11-23 01:15:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:15:57,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:15:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 153 states and 237 transitions. [2018-11-23 01:15:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 237 transitions. [2018-11-23 01:15:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:15:57,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 01:15:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 155 states and 237 transitions. [2018-11-23 01:15:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 237 transitions. [2018-11-23 01:15:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:15:58,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:15:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 157 states and 240 transitions. [2018-11-23 01:15:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2018-11-23 01:15:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:15:58,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:15:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 159 states and 242 transitions. [2018-11-23 01:15:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 242 transitions. [2018-11-23 01:15:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:15:58,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:15:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 160 states and 242 transitions. [2018-11-23 01:15:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2018-11-23 01:15:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:15:58,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 01:15:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 151 states and 225 transitions. [2018-11-23 01:15:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2018-11-23 01:15:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 01:15:58,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:15:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 153 states and 228 transitions. [2018-11-23 01:15:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2018-11-23 01:15:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 01:15:58,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,742 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 01:15:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 154 states and 229 transitions. [2018-11-23 01:15:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2018-11-23 01:15:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 01:15:58,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:15:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:15:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:15:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:15:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 90 states and 121 transitions. [2018-11-23 01:15:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2018-11-23 01:15:58,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:15:58,827 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-11-23 01:15:58,836 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:15:59,103 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,105 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 01:15:59,110 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,110 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 01:15:59,110 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,111 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,111 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,111 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,111 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,111 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:15:59,112 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,112 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:15:59,112 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 01:15:59,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:15:59 ImpRootNode [2018-11-23 01:15:59,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:15:59,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:15:59,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:15:59,115 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:15:59,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:48" (3/4) ... [2018-11-23 01:15:59,118 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:15:59,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:15:59,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:15:59,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 01:15:59,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:15:59,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 01:15:59,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:15:59,130 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:15:59,130 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:15:59,130 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:15:59,155 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-23 01:15:59,155 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-23 01:15:59,155 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) || methaneLevelCritical == tmp) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-11-23 01:15:59,184 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48f62213-c92a-48ed-a3ec-9cfec0f01a29/bin-2019/ukojak/witness.graphml [2018-11-23 01:15:59,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:15:59,185 INFO L168 Benchmark]: Toolchain (without parser) took 11711.76 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 957.0 MB in the beginning and 973.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 316.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:15:59,186 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:15:59,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:15:59,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.12 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 01:15:59,187 INFO L168 Benchmark]: Boogie Preprocessor took 18.54 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 01:15:59,187 INFO L168 Benchmark]: RCFGBuilder took 625.12 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:15:59,187 INFO L168 Benchmark]: CodeCheck took 10593.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 80.8 MB). Peak memory consumption was 273.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:15:59,188 INFO L168 Benchmark]: Witness Printer took 70.07 ms. Allocated memory is still 1.4 GB. Free memory is still 973.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:15:59,189 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 8 procedures, 72 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 395249700 SDtfs, 494315692 SDslu, 1819438556 SDs, 0 SdLazy, -1898777764 SolverSat, -1950065868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20871 GetRequests, 20369 SyntacticMatches, 242 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31012 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2168 NumberOfCodeBlocks, 2168 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2117 ConstructedInterpolants, 0 QuantifiedInterpolants, 197922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 37 PerfectInterpolantSequences, 799/861 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: 82]: 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: 759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) || methaneLevelCritical == tmp) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.12 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 18.54 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 625.12 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. * CodeCheck took 10593.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 80.8 MB). Peak memory consumption was 273.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.07 ms. Allocated memory is still 1.4 GB. Free memory is still 973.7 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...