./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/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 9c8016f452608c4941fa660b03ce7c0101dbbdf8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 16:56:20,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:56:20,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:56:20,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:56:20,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:56:20,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:56:20,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:56:20,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:56:20,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:56:20,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:56:20,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:56:20,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:56:20,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:56:20,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:56:20,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:56:20,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:56:20,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:56:20,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:56:20,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:56:20,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:56:20,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:56:20,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:56:20,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:56:20,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:56:20,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:56:20,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:56:20,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:56:20,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:56:20,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:56:20,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:56:20,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:56:20,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:56:20,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:56:20,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:56:20,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:56:20,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:56:20,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:56:20,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:56:20,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:56:20,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:56:20,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:56:20,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 16:56:20,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:56:20,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:56:20,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 16:56:20,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 16:56:20,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:56:20,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:56:20,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:56:20,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:56:20,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:56:20,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:56:20,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:56:20,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 16:56:20,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:56:20,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 16:56:20,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:56:20,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 16:56:20,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:56:20,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 16:56:20,876 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:56:20,876 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:56:20,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:56:20,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:56:20,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:56:20,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:56:20,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:56:20,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 16:56:20,878 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 16:56:20,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 16:56:20,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 16:56:20,878 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_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/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 -> 9c8016f452608c4941fa660b03ce7c0101dbbdf8 [2019-12-01 16:56:20,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:56:20,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:56:20,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:56:20,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:56:20,991 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:56:20,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-12-01 16:56:21,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/data/66c8ed2a5/edef1892dad54099a52972715e67aa86/FLAGeb3a76d05 [2019-12-01 16:56:21,521 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:56:21,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2019-12-01 16:56:21,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/data/66c8ed2a5/edef1892dad54099a52972715e67aa86/FLAGeb3a76d05 [2019-12-01 16:56:22,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/data/66c8ed2a5/edef1892dad54099a52972715e67aa86 [2019-12-01 16:56:22,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:56:22,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:56:22,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:56:22,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:56:22,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:56:22,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22, skipping insertion in model container [2019-12-01 16:56:22,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:56:22,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:56:22,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:56:22,295 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:56:22,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:56:22,372 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:56:22,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22 WrapperNode [2019-12-01 16:56:22,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:56:22,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:56:22,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:56:22,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:56:22,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:56:22,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:56:22,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:56:22,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:56:22,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:56:22,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:56:22,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:56:22,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:56:22,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/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 [2019-12-01 16:56:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 16:56:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 16:56:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 16:56:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 16:56:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 16:56:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 16:56:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 16:56:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 16:56:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 16:56:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 16:56:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 16:56:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 16:56:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 16:56:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 16:56:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 16:56:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 16:56:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:56:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:56:22,965 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:56:22,966 INFO L287 CfgBuilder]: Removed 36 assume(true) statements. [2019-12-01 16:56:22,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:22 BoogieIcfgContainer [2019-12-01 16:56:22,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:56:22,967 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:56:22,967 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:56:22,975 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:56:22,975 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:22" (1/1) ... [2019-12-01 16:56:22,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:56:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-12-01 16:56:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-12-01 16:56:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:56:23,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-12-01 16:56:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-12-01 16:56:23,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:56:23,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-12-01 16:56:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-01 16:56:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:56:23,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2019-12-01 16:56:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2019-12-01 16:56:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:56:23,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2019-12-01 16:56:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2019-12-01 16:56:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:56:23,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-12-01 16:56:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-12-01 16:56:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:56:23,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2019-12-01 16:56:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2019-12-01 16:56:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:56:23,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-12-01 16:56:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-12-01 16:56:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:56:23,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 92 states and 146 transitions. [2019-12-01 16:56:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2019-12-01 16:56:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 16:56:23,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2019-12-01 16:56:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2019-12-01 16:56:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 16:56:23,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2019-12-01 16:56:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2019-12-01 16:56:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 16:56:24,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2019-12-01 16:56:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2019-12-01 16:56:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 16:56:24,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 183 transitions. [2019-12-01 16:56:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2019-12-01 16:56:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 16:56:24,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2019-12-01 16:56:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2019-12-01 16:56:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 16:56:24,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 197 transitions. [2019-12-01 16:56:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2019-12-01 16:56:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 16:56:24,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 198 transitions. [2019-12-01 16:56:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2019-12-01 16:56:24,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 16:56:24,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2019-12-01 16:56:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2019-12-01 16:56:25,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 16:56:25,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2019-12-01 16:56:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2019-12-01 16:56:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 16:56:25,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:56:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 218 transitions. [2019-12-01 16:56:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 218 transitions. [2019-12-01 16:56:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 16:56:25,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 237 transitions. [2019-12-01 16:56:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 237 transitions. [2019-12-01 16:56:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 16:56:25,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2019-12-01 16:56:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2019-12-01 16:56:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:56:25,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 234 transitions. [2019-12-01 16:56:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 234 transitions. [2019-12-01 16:56:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:56:25,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:56:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 141 states and 248 transitions. [2019-12-01 16:56:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2019-12-01 16:56:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 16:56:26,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 255 transitions. [2019-12-01 16:56:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 255 transitions. [2019-12-01 16:56:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 16:56:26,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 262 transitions. [2019-12-01 16:56:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2019-12-01 16:56:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:56:27,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 263 transitions. [2019-12-01 16:56:27,047 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 263 transitions. [2019-12-01 16:56:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:56:27,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:27,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 158 states and 286 transitions. [2019-12-01 16:56:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2019-12-01 16:56:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 16:56:27,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:56:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:27,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 165 states and 298 transitions. [2019-12-01 16:56:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2019-12-01 16:56:27,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 16:56:27,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:56:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 300 transitions. [2019-12-01 16:56:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2019-12-01 16:56:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:56:27,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 170 states and 308 transitions. [2019-12-01 16:56:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2019-12-01 16:56:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 16:56:28,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 171 states and 316 transitions. [2019-12-01 16:56:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 316 transitions. [2019-12-01 16:56:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:56:28,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 172 states and 316 transitions. [2019-12-01 16:56:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2019-12-01 16:56:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:56:28,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 317 transitions. [2019-12-01 16:56:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 317 transitions. [2019-12-01 16:56:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 16:56:28,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 188 states and 360 transitions. [2019-12-01 16:56:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 360 transitions. [2019-12-01 16:56:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 16:56:29,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 191 states and 365 transitions. [2019-12-01 16:56:29,450 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 365 transitions. [2019-12-01 16:56:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:56:29,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 192 states and 366 transitions. [2019-12-01 16:56:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2019-12-01 16:56:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 16:56:29,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 195 states and 376 transitions. [2019-12-01 16:56:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 376 transitions. [2019-12-01 16:56:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:56:29,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:56:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:29,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 196 states and 377 transitions. [2019-12-01 16:56:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 377 transitions. [2019-12-01 16:56:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:56:29,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 212 states and 426 transitions. [2019-12-01 16:56:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 426 transitions. [2019-12-01 16:56:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:56:31,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 214 states and 428 transitions. [2019-12-01 16:56:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 428 transitions. [2019-12-01 16:56:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:56:31,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 224 states and 444 transitions. [2019-12-01 16:56:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 444 transitions. [2019-12-01 16:56:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:56:32,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 226 states and 447 transitions. [2019-12-01 16:56:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 447 transitions. [2019-12-01 16:56:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:56:33,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 16:56:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 227 states and 447 transitions. [2019-12-01 16:56:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 447 transitions. [2019-12-01 16:56:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 16:56:33,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:56:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 235 states and 461 transitions. [2019-12-01 16:56:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 461 transitions. [2019-12-01 16:56:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 16:56:34,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 236 states and 461 transitions. [2019-12-01 16:56:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 461 transitions. [2019-12-01 16:56:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 16:56:34,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 237 states and 462 transitions. [2019-12-01 16:56:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 462 transitions. [2019-12-01 16:56:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 16:56:34,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 238 states and 463 transitions. [2019-12-01 16:56:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 463 transitions. [2019-12-01 16:56:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 16:56:34,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 238 states and 456 transitions. [2019-12-01 16:56:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 456 transitions. [2019-12-01 16:56:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 16:56:35,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 239 states and 457 transitions. [2019-12-01 16:56:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 457 transitions. [2019-12-01 16:56:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 16:56:35,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 240 states and 458 transitions. [2019-12-01 16:56:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 458 transitions. [2019-12-01 16:56:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 16:56:35,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 16:56:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 241 states and 459 transitions. [2019-12-01 16:56:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 459 transitions. [2019-12-01 16:56:35,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 16:56:35,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 16:56:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 244 states and 463 transitions. [2019-12-01 16:56:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 463 transitions. [2019-12-01 16:56:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 16:56:35,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:56:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 246 states and 465 transitions. [2019-12-01 16:56:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 465 transitions. [2019-12-01 16:56:35,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 16:56:35,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 16:56:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 250 states and 472 transitions. [2019-12-01 16:56:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 472 transitions. [2019-12-01 16:56:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 16:56:35,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 258 states and 487 transitions. [2019-12-01 16:56:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 487 transitions. [2019-12-01 16:56:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 16:56:37,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:56:37,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:37,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 259 states and 487 transitions. [2019-12-01 16:56:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 487 transitions. [2019-12-01 16:56:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 16:56:37,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 16:56:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 264 states and 497 transitions. [2019-12-01 16:56:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 497 transitions. [2019-12-01 16:56:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 16:56:37,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 16:56:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 262 states and 493 transitions. [2019-12-01 16:56:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 493 transitions. [2019-12-01 16:56:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 16:56:37,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 16:56:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 263 states and 496 transitions. [2019-12-01 16:56:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 496 transitions. [2019-12-01 16:56:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 16:56:38,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-01 16:56:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 265 states and 497 transitions. [2019-12-01 16:56:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 497 transitions. [2019-12-01 16:56:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 16:56:39,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 16:56:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 266 states and 497 transitions. [2019-12-01 16:56:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 497 transitions. [2019-12-01 16:56:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 16:56:39,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 16:56:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 268 states and 500 transitions. [2019-12-01 16:56:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 500 transitions. [2019-12-01 16:56:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 16:56:39,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:56:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 270 states and 502 transitions. [2019-12-01 16:56:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 502 transitions. [2019-12-01 16:56:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 16:56:39,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 16:56:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 268 states and 498 transitions. [2019-12-01 16:56:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 498 transitions. [2019-12-01 16:56:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 16:56:39,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 274 states and 510 transitions. [2019-12-01 16:56:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 510 transitions. [2019-12-01 16:56:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 16:56:39,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 275 states and 510 transitions. [2019-12-01 16:56:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 510 transitions. [2019-12-01 16:56:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 16:56:39,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:56:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 276 states and 510 transitions. [2019-12-01 16:56:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 510 transitions. [2019-12-01 16:56:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 16:56:39,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 16:56:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 276 states and 509 transitions. [2019-12-01 16:56:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 509 transitions. [2019-12-01 16:56:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 16:56:39,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 16:56:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 278 states and 512 transitions. [2019-12-01 16:56:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 512 transitions. [2019-12-01 16:56:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 16:56:39,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:56:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 269 states and 495 transitions. [2019-12-01 16:56:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 495 transitions. [2019-12-01 16:56:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 16:56:39,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 16:56:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 271 states and 496 transitions. [2019-12-01 16:56:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 496 transitions. [2019-12-01 16:56:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 16:56:40,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:56:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 273 states and 497 transitions. [2019-12-01 16:56:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 497 transitions. [2019-12-01 16:56:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 16:56:40,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 16:56:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 265 states and 480 transitions. [2019-12-01 16:56:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 480 transitions. [2019-12-01 16:56:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 16:56:40,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 16:56:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 266 states and 481 transitions. [2019-12-01 16:56:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 481 transitions. [2019-12-01 16:56:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 16:56:40,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-01 16:56:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 253 states and 458 transitions. [2019-12-01 16:56:40,815 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 458 transitions. [2019-12-01 16:56:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 16:56:40,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:40,832 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 258 states and 470 transitions. [2019-12-01 16:56:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 470 transitions. [2019-12-01 16:56:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 16:56:41,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 259 states and 470 transitions. [2019-12-01 16:56:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 470 transitions. [2019-12-01 16:56:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 16:56:41,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:56:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 260 states and 471 transitions. [2019-12-01 16:56:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 471 transitions. [2019-12-01 16:56:41,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 16:56:41,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:56:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:56:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 16:56:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:56:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 130 states and 189 transitions. [2019-12-01 16:56:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2019-12-01 16:56:41,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 16:56:41,486 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2019-12-01 16:56:41,493 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 16:56:41,768 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 16:56:41,773 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,774 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,774 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-12-01 16:56:41,775 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,775 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,775 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 16:56:41,775 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,776 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,776 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,776 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 16:56:41,776 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,776 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:56:41,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:56:41 ImpRootNode [2019-12-01 16:56:41,777 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 16:56:41,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 16:56:41,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 16:56:41,777 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 16:56:41,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:22" (3/4) ... [2019-12-01 16:56:41,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 16:56:41,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 16:56:41,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 16:56:41,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 16:56:41,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 16:56:41,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 16:56:41,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 16:56:41,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 16:56:41,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-12-01 16:56:41,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 16:56:41,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 16:56:41,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 16:56:41,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 16:56:41,790 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 16:56:41,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 16:56:41,809 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-12-01 16:56:41,810 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-12-01 16:56:41,810 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 16:56:41,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a1eb6e32-4b98-4dfb-b571-b6cb7534a364/bin/ukojak/witness.graphml [2019-12-01 16:56:41,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 16:56:41,836 INFO L168 Benchmark]: Toolchain (without parser) took 19819.32 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 496.5 MB). Free memory was 945.1 MB in the beginning and 1.2 GB in the end (delta: -223.4 MB). Peak memory consumption was 273.1 MB. Max. memory is 11.5 GB. [2019-12-01 16:56:41,836 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:56:41,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:56:41,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 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. [2019-12-01 16:56:41,837 INFO L168 Benchmark]: Boogie Preprocessor took 25.81 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. [2019-12-01 16:56:41,837 INFO L168 Benchmark]: RCFGBuilder took 527.11 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: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-12-01 16:56:41,838 INFO L168 Benchmark]: CodeCheck took 18809.37 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -163.3 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. [2019-12-01 16:56:41,838 INFO L168 Benchmark]: Witness Printer took 58.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:56:41,839 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, 55 locations, 1 error locations. Result: SAFE, OverallTime: 18.4s, OverallIterations: 79, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -863893432 SDtfs, 154121888 SDslu, -890837128 SDs, 0 SdLazy, -335269492 SolverSat, 1726211840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40305 GetRequests, 39546 SyntacticMatches, 395 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59596 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 3731 NumberOfCodeBlocks, 3731 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 3653 ConstructedInterpolants, 0 QuantifiedInterpolants, 396172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 53 PerfectInterpolantSequences, 1479/1661 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: 940]: 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: 632]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.29 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. * Boogie Preprocessor took 25.81 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. * RCFGBuilder took 527.11 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: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * CodeCheck took 18809.37 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 389.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -163.3 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...