./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/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 c39001161d93972d05784cb6dbc5024ef34abe15 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 04:49:51,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 04:49:51,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 04:49:51,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 04:49:51,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 04:49:51,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 04:49:51,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 04:49:51,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 04:49:51,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 04:49:51,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 04:49:51,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 04:49:51,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 04:49:51,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 04:49:51,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 04:49:51,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 04:49:51,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 04:49:51,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 04:49:51,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 04:49:51,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 04:49:51,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 04:49:51,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 04:49:51,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 04:49:51,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 04:49:51,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 04:49:51,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 04:49:51,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 04:49:51,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 04:49:51,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 04:49:51,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 04:49:51,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 04:49:51,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 04:49:51,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 04:49:51,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 04:49:51,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 04:49:51,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 04:49:51,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 04:49:51,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 04:49:51,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 04:49:51,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 04:49:51,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 04:49:51,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 04:49:51,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 04:49:51,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 04:49:51,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 04:49:51,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 04:49:51,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 04:49:51,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 04:49:51,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 04:49:51,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 04:49:51,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 04:49:51,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 04:49:51,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 04:49:51,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 04:49:51,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 04:49:51,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 04:49:51,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 04:49:51,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 04:49:51,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 04:49:51,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/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 -> c39001161d93972d05784cb6dbc5024ef34abe15 [2019-12-02 04:49:51,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 04:49:51,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 04:49:51,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 04:49:51,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 04:49:51,857 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 04:49:51,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2019-12-02 04:49:51,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/data/ce46b3453/3ffb4fe8cfa4482495522c3824122afb/FLAG226e1b089 [2019-12-02 04:49:52,285 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 04:49:52,286 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2019-12-02 04:49:52,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/data/ce46b3453/3ffb4fe8cfa4482495522c3824122afb/FLAG226e1b089 [2019-12-02 04:49:52,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/data/ce46b3453/3ffb4fe8cfa4482495522c3824122afb [2019-12-02 04:49:52,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 04:49:52,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 04:49:52,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 04:49:52,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 04:49:52,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 04:49:52,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52, skipping insertion in model container [2019-12-02 04:49:52,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 04:49:52,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 04:49:52,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:49:52,596 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 04:49:52,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:49:52,684 INFO L208 MainTranslator]: Completed translation [2019-12-02 04:49:52,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52 WrapperNode [2019-12-02 04:49:52,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 04:49:52,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 04:49:52,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 04:49:52,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 04:49:52,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 04:49:52,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 04:49:52,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 04:49:52,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 04:49:52,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... [2019-12-02 04:49:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 04:49:52,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 04:49:52,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 04:49:52,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 04:49:52,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:49:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/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 [2019-12-02 04:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 04:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 04:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 04:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 04:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 04:49:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 04:49:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-02 04:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 04:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-02 04:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 04:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 04:49:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 04:49:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 04:49:53,281 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 04:49:53,281 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-12-02 04:49:53,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:53 BoogieIcfgContainer [2019-12-02 04:49:53,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 04:49:53,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 04:49:53,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 04:49:53,289 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 04:49:53,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:53" (1/1) ... [2019-12-02 04:49:53,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 04:49:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2019-12-02 04:49:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-12-02 04:49:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 04:49:53,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:53,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-12-02 04:49:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-02 04:49:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 04:49:53,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2019-12-02 04:49:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2019-12-02 04:49:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 04:49:53,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2019-12-02 04:49:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2019-12-02 04:49:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 04:49:53,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2019-12-02 04:49:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2019-12-02 04:49:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 04:49:53,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 86 states and 133 transitions. [2019-12-02 04:49:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 133 transitions. [2019-12-02 04:49:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 04:49:54,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2019-12-02 04:49:54,065 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2019-12-02 04:49:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 04:49:54,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2019-12-02 04:49:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2019-12-02 04:49:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 04:49:54,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2019-12-02 04:49:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2019-12-02 04:49:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 04:49:54,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2019-12-02 04:49:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2019-12-02 04:49:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 04:49:54,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 95 states and 150 transitions. [2019-12-02 04:49:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 150 transitions. [2019-12-02 04:49:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 04:49:54,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 191 transitions. [2019-12-02 04:49:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2019-12-02 04:49:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 04:49:55,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2019-12-02 04:49:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2019-12-02 04:49:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 04:49:55,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:55,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2019-12-02 04:49:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2019-12-02 04:49:55,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 04:49:55,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 04:49:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 204 transitions. [2019-12-02 04:49:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2019-12-02 04:49:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 04:49:55,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 127 states and 213 transitions. [2019-12-02 04:49:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 213 transitions. [2019-12-02 04:49:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 04:49:55,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 221 transitions. [2019-12-02 04:49:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2019-12-02 04:49:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 04:49:55,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:55,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 137 states and 240 transitions. [2019-12-02 04:49:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2019-12-02 04:49:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 04:49:55,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 248 transitions. [2019-12-02 04:49:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-12-02 04:49:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 04:49:56,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 139 states and 244 transitions. [2019-12-02 04:49:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2019-12-02 04:49:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 04:49:56,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 04:49:56,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 258 transitions. [2019-12-02 04:49:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 258 transitions. [2019-12-02 04:49:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 04:49:56,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 149 states and 265 transitions. [2019-12-02 04:49:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 265 transitions. [2019-12-02 04:49:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 04:49:57,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:57,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 150 states and 266 transitions. [2019-12-02 04:49:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2019-12-02 04:49:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 04:49:57,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 160 states and 289 transitions. [2019-12-02 04:49:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 289 transitions. [2019-12-02 04:49:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 04:49:57,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:49:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 167 states and 302 transitions. [2019-12-02 04:49:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 302 transitions. [2019-12-02 04:49:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 04:49:57,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:49:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 169 states and 303 transitions. [2019-12-02 04:49:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2019-12-02 04:49:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 04:49:57,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 172 states and 311 transitions. [2019-12-02 04:49:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 311 transitions. [2019-12-02 04:49:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 04:49:58,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 319 transitions. [2019-12-02 04:49:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 319 transitions. [2019-12-02 04:49:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 04:49:58,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:49:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 319 transitions. [2019-12-02 04:49:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 319 transitions. [2019-12-02 04:49:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 04:49:58,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:58,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 175 states and 320 transitions. [2019-12-02 04:49:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 320 transitions. [2019-12-02 04:49:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 04:49:58,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:49:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 176 states and 321 transitions. [2019-12-02 04:49:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 321 transitions. [2019-12-02 04:49:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 04:49:58,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:49:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 177 states and 322 transitions. [2019-12-02 04:49:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 322 transitions. [2019-12-02 04:49:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 04:49:58,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:49:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:49:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 193 states and 373 transitions. [2019-12-02 04:49:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 373 transitions. [2019-12-02 04:49:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 04:49:59,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:49:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:49:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:50:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 195 states and 376 transitions. [2019-12-02 04:50:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 376 transitions. [2019-12-02 04:50:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 04:50:00,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:50:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 205 states and 393 transitions. [2019-12-02 04:50:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 393 transitions. [2019-12-02 04:50:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 04:50:01,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:50:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 207 states and 397 transitions. [2019-12-02 04:50:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 397 transitions. [2019-12-02 04:50:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 04:50:01,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 04:50:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 208 states and 397 transitions. [2019-12-02 04:50:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 397 transitions. [2019-12-02 04:50:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-02 04:50:01,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 04:50:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 216 states and 411 transitions. [2019-12-02 04:50:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 411 transitions. [2019-12-02 04:50:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 04:50:02,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:50:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 217 states and 412 transitions. [2019-12-02 04:50:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 412 transitions. [2019-12-02 04:50:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 04:50:03,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 04:50:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 218 states and 413 transitions. [2019-12-02 04:50:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 413 transitions. [2019-12-02 04:50:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 04:50:03,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 04:50:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 233 states and 452 transitions. [2019-12-02 04:50:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 452 transitions. [2019-12-02 04:50:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 04:50:04,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:50:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 236 states and 457 transitions. [2019-12-02 04:50:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 457 transitions. [2019-12-02 04:50:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 04:50:04,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:50:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:04,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 237 states and 458 transitions. [2019-12-02 04:50:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 458 transitions. [2019-12-02 04:50:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-02 04:50:04,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 04:50:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 459 transitions. [2019-12-02 04:50:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 459 transitions. [2019-12-02 04:50:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-02 04:50:04,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 04:50:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 240 states and 454 transitions. [2019-12-02 04:50:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 454 transitions. [2019-12-02 04:50:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 04:50:05,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 04:50:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 243 states and 462 transitions. [2019-12-02 04:50:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 462 transitions. [2019-12-02 04:50:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 04:50:05,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 04:50:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 246 states and 466 transitions. [2019-12-02 04:50:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 466 transitions. [2019-12-02 04:50:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-02 04:50:05,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-02 04:50:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 247 states and 467 transitions. [2019-12-02 04:50:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 467 transitions. [2019-12-02 04:50:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 04:50:05,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:50:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 248 states and 468 transitions. [2019-12-02 04:50:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 468 transitions. [2019-12-02 04:50:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-02 04:50:05,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 04:50:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 252 states and 475 transitions. [2019-12-02 04:50:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 475 transitions. [2019-12-02 04:50:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-02 04:50:05,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 260 states and 490 transitions. [2019-12-02 04:50:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 490 transitions. [2019-12-02 04:50:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 04:50:06,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 04:50:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 261 states and 490 transitions. [2019-12-02 04:50:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 490 transitions. [2019-12-02 04:50:06,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 04:50:06,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 04:50:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 266 states and 500 transitions. [2019-12-02 04:50:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 500 transitions. [2019-12-02 04:50:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-02 04:50:07,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 04:50:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 264 states and 496 transitions. [2019-12-02 04:50:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 496 transitions. [2019-12-02 04:50:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-02 04:50:07,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 04:50:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 265 states and 499 transitions. [2019-12-02 04:50:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 499 transitions. [2019-12-02 04:50:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 04:50:07,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-02 04:50:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 267 states and 500 transitions. [2019-12-02 04:50:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 500 transitions. [2019-12-02 04:50:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 04:50:09,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 04:50:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 268 states and 500 transitions. [2019-12-02 04:50:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 500 transitions. [2019-12-02 04:50:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 04:50:09,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 04:50:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 270 states and 503 transitions. [2019-12-02 04:50:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 503 transitions. [2019-12-02 04:50:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 04:50:09,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 04:50:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 272 states and 505 transitions. [2019-12-02 04:50:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 505 transitions. [2019-12-02 04:50:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 04:50:09,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 04:50:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 270 states and 501 transitions. [2019-12-02 04:50:09,285 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 501 transitions. [2019-12-02 04:50:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 04:50:09,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 276 states and 513 transitions. [2019-12-02 04:50:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 513 transitions. [2019-12-02 04:50:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-02 04:50:09,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 277 states and 513 transitions. [2019-12-02 04:50:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 513 transitions. [2019-12-02 04:50:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 04:50:09,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 04:50:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 278 states and 513 transitions. [2019-12-02 04:50:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 513 transitions. [2019-12-02 04:50:09,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-02 04:50:09,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 04:50:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 278 states and 512 transitions. [2019-12-02 04:50:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 512 transitions. [2019-12-02 04:50:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-02 04:50:09,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 04:50:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 280 states and 515 transitions. [2019-12-02 04:50:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 515 transitions. [2019-12-02 04:50:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 04:50:09,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 04:50:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 271 states and 498 transitions. [2019-12-02 04:50:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 498 transitions. [2019-12-02 04:50:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 04:50:09,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 04:50:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 273 states and 499 transitions. [2019-12-02 04:50:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 499 transitions. [2019-12-02 04:50:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-02 04:50:10,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 04:50:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 275 states and 500 transitions. [2019-12-02 04:50:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 500 transitions. [2019-12-02 04:50:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 04:50:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 04:50:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 267 states and 483 transitions. [2019-12-02 04:50:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 483 transitions. [2019-12-02 04:50:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 04:50:10,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 04:50:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 268 states and 484 transitions. [2019-12-02 04:50:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 484 transitions. [2019-12-02 04:50:10,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-02 04:50:10,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 04:50:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 255 states and 461 transitions. [2019-12-02 04:50:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 461 transitions. [2019-12-02 04:50:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-02 04:50:10,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 260 states and 473 transitions. [2019-12-02 04:50:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2019-12-02 04:50:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-02 04:50:10,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 269 states and 493 transitions. [2019-12-02 04:50:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 493 transitions. [2019-12-02 04:50:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-02 04:50:11,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 04:50:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 271 states and 494 transitions. [2019-12-02 04:50:12,225 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 494 transitions. [2019-12-02 04:50:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 04:50:12,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 04:50:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 272 states and 495 transitions. [2019-12-02 04:50:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 495 transitions. [2019-12-02 04:50:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-02 04:50:12,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-02 04:50:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 274 states and 496 transitions. [2019-12-02 04:50:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 496 transitions. [2019-12-02 04:50:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-02 04:50:12,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 04:50:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 04:50:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 04:50:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:50:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 148 states and 218 transitions. [2019-12-02 04:50:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2019-12-02 04:50:13,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 04:50:13,649 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2019-12-02 04:50:13,656 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 04:50:13,975 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,978 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,978 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,978 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-12-02 04:50:13,982 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,982 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,982 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,982 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-02 04:50:13,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,983 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-12-02 04:50:13,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,983 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:50:13,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:50:13 ImpRootNode [2019-12-02 04:50:13,984 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 04:50:13,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 04:50:13,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 04:50:13,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 04:50:13,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:49:53" (3/4) ... [2019-12-02 04:50:13,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 04:50:13,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-02 04:50:13,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-02 04:50:13,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2019-12-02 04:50:13,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-02 04:50:13,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-02 04:50:13,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 04:50:13,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 04:50:13,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 04:50:13,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 04:50:14,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || ((!(1 == systemActive) && 0 == methaneLevelCritical) && !(0 == systemActive))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-12-02 04:50:14,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-02 04:50:14,041 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e69e18f2-c568-443a-88e7-51e6baeca61c/bin/ukojak/witness.graphml [2019-12-02 04:50:14,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 04:50:14,042 INFO L168 Benchmark]: Toolchain (without parser) took 21737.04 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 451.9 MB). Free memory was 946.2 MB in the beginning and 1.4 GB in the end (delta: -447.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,043 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 04:50:14,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 04:50:14,043 INFO L168 Benchmark]: Boogie Preprocessor took 22.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,043 INFO L168 Benchmark]: RCFGBuilder took 526.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,044 INFO L168 Benchmark]: CodeCheck took 20701.59 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 353.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -399.4 MB). Peak memory consumption was 513.7 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,044 INFO L168 Benchmark]: Witness Printer took 57.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2019-12-02 04:50:14,045 INFO L335 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, 57 locations, 1 error locations. Result: SAFE, OverallTime: 20.3s, OverallIterations: 77, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1308090080 SDtfs, -1530995546 SDslu, -1415863580 SDs, 0 SdLazy, -804206134 SolverSat, 999267524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40577 GetRequests, 39764 SyntacticMatches, 421 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70849 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3743 NumberOfCodeBlocks, 3743 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3667 ConstructedInterpolants, 0 QuantifiedInterpolants, 417651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 53 PerfectInterpolantSequences, 1599/1781 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 391]: 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: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || ((!(1 == systemActive) && 0 == methaneLevelCritical) && !(0 == systemActive))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 1 * 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 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * CodeCheck took 20701.59 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 353.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -399.4 MB). Peak memory consumption was 513.7 MB. Max. memory is 11.5 GB. * Witness Printer took 57.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...