./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/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 84bee68029cd4e9781f81f2ec079192bad30236f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:27:20,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:27:20,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:27:21,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:27:21,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:27:21,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:27:21,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:27:21,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:27:21,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:27:21,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:27:21,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:27:21,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:27:21,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:27:21,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:27:21,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:27:21,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:27:21,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:27:21,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:27:21,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:27:21,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:27:21,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:27:21,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:27:21,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:27:21,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:27:21,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:27:21,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:27:21,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:27:21,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:27:21,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:27:21,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:27:21,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:27:21,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:27:21,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:27:21,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:27:21,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:27:21,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:27:21,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:27:21,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:27:21,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:27:21,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:27:21,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:27:21,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 09:27:21,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:27:21,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:27:21,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 09:27:21,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 09:27:21,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:27:21,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:27:21,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:27:21,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:27:21,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:27:21,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:27:21,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:27:21,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:27:21,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:27:21,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 09:27:21,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 09:27:21,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:27:21,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:27:21,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:27:21,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:27:21,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:27:21,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:27:21,070 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 09:27:21,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:27:21,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:27:21,071 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_2bb18596-fbb2-481c-8aa8-c0849563f11d/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-11-20 09:27:21,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:27:21,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:27:21,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:27:21,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:27:21,225 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:27:21,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-20 09:27:21,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/data/0b5471c37/0233ed753f39478fa5ff3ac70f86e2ef/FLAGcd067ccfb [2019-11-20 09:27:21,815 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:27:21,816 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-20 09:27:21,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/data/0b5471c37/0233ed753f39478fa5ff3ac70f86e2ef/FLAGcd067ccfb [2019-11-20 09:27:22,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/data/0b5471c37/0233ed753f39478fa5ff3ac70f86e2ef [2019-11-20 09:27:22,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:27:22,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:27:22,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:22,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:27:22,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:27:22,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc7e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22, skipping insertion in model container [2019-11-20 09:27:22,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:27:22,308 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:27:22,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:22,709 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:27:22,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:27:22,831 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:27:22,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22 WrapperNode [2019-11-20 09:27:22,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:27:22,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:22,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:27:22,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:27:22,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:27:22,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:27:22,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:27:22,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:27:22,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2019-11-20 09:27:22,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:27:22,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:27:22,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:27:22,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:27:22,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/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 [2019-11-20 09:27:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:27:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 09:27:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 09:27:22,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 09:27:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 09:27:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 09:27:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 09:27:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 09:27:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 09:27:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 09:27:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 09:27:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:27:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 09:27:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 09:27:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:27:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:27:24,014 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:27:24,014 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 09:27:24,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24 BoogieIcfgContainer [2019-11-20 09:27:24,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:27:24,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:27:24,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:27:24,027 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:27:24,028 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24" (1/1) ... [2019-11-20 09:27:24,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:27:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-20 09:27:24,081 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-20 09:27:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:27:24,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-20 09:27:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-20 09:27:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 09:27:24,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-20 09:27:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-20 09:27:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 09:27:24,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-20 09:27:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-20 09:27:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:27:24,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-11-20 09:27:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-20 09:27:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 09:27:24,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-11-20 09:27:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-11-20 09:27:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 09:27:24,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:24,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2019-11-20 09:27:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-11-20 09:27:25,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 09:27:25,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-11-20 09:27:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-11-20 09:27:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 09:27:25,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2019-11-20 09:27:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2019-11-20 09:27:26,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 09:27:26,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2019-11-20 09:27:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2019-11-20 09:27:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 09:27:26,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 157 transitions. [2019-11-20 09:27:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2019-11-20 09:27:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 09:27:26,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:26,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-11-20 09:27:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-11-20 09:27:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 09:27:26,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2019-11-20 09:27:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-20 09:27:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 09:27:27,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 183 transitions. [2019-11-20 09:27:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2019-11-20 09:27:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 09:27:27,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 184 transitions. [2019-11-20 09:27:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-11-20 09:27:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:27,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 187 transitions. [2019-11-20 09:27:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2019-11-20 09:27:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:27,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 190 transitions. [2019-11-20 09:27:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 190 transitions. [2019-11-20 09:27:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 09:27:27,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:27,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2019-11-20 09:27:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2019-11-20 09:27:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:27,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2019-11-20 09:27:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2019-11-20 09:27:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 09:27:28,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2019-11-20 09:27:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2019-11-20 09:27:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:28,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 207 transitions. [2019-11-20 09:27:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2019-11-20 09:27:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 09:27:28,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 247 transitions. [2019-11-20 09:27:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-11-20 09:27:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 09:27:29,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 254 transitions. [2019-11-20 09:27:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2019-11-20 09:27:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:30,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 09:27:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 254 transitions. [2019-11-20 09:27:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2019-11-20 09:27:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:27:30,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:27:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-11-20 09:27:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-11-20 09:27:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 09:27:32,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-11-20 09:27:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-11-20 09:27:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 09:27:32,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2019-11-20 09:27:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-20 09:27:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 09:27:32,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2019-11-20 09:27:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2019-11-20 09:27:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 09:27:33,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2019-11-20 09:27:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2019-11-20 09:27:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 09:27:34,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2019-11-20 09:27:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2019-11-20 09:27:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 09:27:34,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 09:27:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2019-11-20 09:27:34,576 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2019-11-20 09:27:34,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 09:27:34,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 09:27:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 129 states and 219 transitions. [2019-11-20 09:27:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2019-11-20 09:27:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 09:27:34,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 09:27:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2019-11-20 09:27:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2019-11-20 09:27:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 09:27:34,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 09:27:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2019-11-20 09:27:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-11-20 09:27:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 09:27:34,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 09:27:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 114 states and 187 transitions. [2019-11-20 09:27:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2019-11-20 09:27:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 09:27:34,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:27:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:27:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 09:27:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:27:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 72 states and 107 transitions. [2019-11-20 09:27:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2019-11-20 09:27:34,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:27:34,821 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-11-20 09:27:34,830 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 09:27:35,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,116 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,117 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,117 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,117 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 09:27:35,124 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,124 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,125 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 09:27:35,126 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:27:35,126 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-20 09:27:35,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:27:35 ImpRootNode [2019-11-20 09:27:35,129 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:27:35,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:27:35,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:27:35,130 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:27:35,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24" (3/4) ... [2019-11-20 09:27:35,136 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:27:35,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 09:27:35,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 09:27:35,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 09:27:35,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 09:27:35,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 09:27:35,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 09:27:35,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 09:27:35,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 09:27:35,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 09:27:35,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:27:35,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:27:35,165 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:27:35,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2019-11-20 09:27:35,200 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2019-11-20 09:27:35,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2bb18596-fbb2-481c-8aa8-c0849563f11d/bin/ukojak/witness.graphml [2019-11-20 09:27:35,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:27:35,254 INFO L168 Benchmark]: Toolchain (without parser) took 12999.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 948.8 MB in the beginning and 876.8 MB in the end (delta: 72.0 MB). Peak memory consumption was 290.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,255 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:27:35,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,255 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:27:35,256 INFO L168 Benchmark]: RCFGBuilder took 1096.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,256 INFO L168 Benchmark]: CodeCheck took 11113.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 886.7 MB in the end (delta: 143.5 MB). Peak memory consumption was 233.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,257 INFO L168 Benchmark]: Witness Printer took 122.83 ms. Allocated memory is still 1.2 GB. Free memory was 886.7 MB in the beginning and 876.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:27:35,263 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 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 10.7s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1822205300 SDtfs, 836380124 SDslu, 1344653260 SDs, 0 SdLazy, -108331108 SolverSat, -1482380852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11058 GetRequests, 10723 SyntacticMatches, 157 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13409 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1049 ConstructedInterpolants, 0 QuantifiedInterpolants, 81035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 281/315 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: 148]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 577.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1096.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 11113.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 886.7 MB in the end (delta: 143.5 MB). Peak memory consumption was 233.2 MB. Max. memory is 11.5 GB. * Witness Printer took 122.83 ms. Allocated memory is still 1.2 GB. Free memory was 886.7 MB in the beginning and 876.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...