./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/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 f0335c6392c59c467837b14da92286fa43b99dfc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:50:55,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:50:55,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:50:55,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:50:55,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:50:55,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:50:55,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:50:55,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:50:55,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:50:55,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:50:55,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:50:55,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:50:55,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:50:55,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:50:55,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:50:55,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:50:55,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:50:55,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:50:55,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:50:55,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:50:55,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:50:55,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:50:55,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:50:55,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:50:55,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:50:55,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:50:55,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:50:55,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:50:55,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:50:55,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:50:55,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:50:55,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:50:55,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:50:55,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:50:55,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:50:55,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:50:55,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:50:55,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:50:55,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:50:55,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:50:55,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:50:55,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:50:55,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:50:55,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:50:55,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:50:55,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:50:55,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:50:55,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:50:55,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:50:55,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:50:55,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:50:55,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:50:55,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:50:55,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:50:55,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:50:55,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:50:55,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:50:55,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:50:55,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:50:55,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:50:55,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:50:55,194 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:50:55,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:50:55,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:50:55,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:50:55,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:50:55,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:50:55,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:50:55,196 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:50:55,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:50:55,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:50:55,196 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_5cc8da52-0ce1-465f-b815-3e5306b83cdd/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-11-26 02:50:55,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:50:55,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:50:55,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:50:55,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:50:55,349 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:50:55,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-26 02:50:55,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/data/3c7fefe82/75721b7316e645d9a9915fee9add4a8d/FLAG693d3a2b2 [2019-11-26 02:50:55,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:50:55,849 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-26 02:50:55,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/data/3c7fefe82/75721b7316e645d9a9915fee9add4a8d/FLAG693d3a2b2 [2019-11-26 02:50:56,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/data/3c7fefe82/75721b7316e645d9a9915fee9add4a8d [2019-11-26 02:50:56,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:50:56,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:50:56,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:56,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:50:56,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:50:56,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d9887f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56, skipping insertion in model container [2019-11-26 02:50:56,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:50:56,428 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:50:56,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:56,742 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:50:56,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:56,836 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:50:56,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56 WrapperNode [2019-11-26 02:50:56,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:56,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:56,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:50:56,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:50:56,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:56,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:50:56,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:50:56,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:50:56,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... [2019-11-26 02:50:56,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:50:56,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:50:56,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:50:56,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:50:56,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/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 [2019-11-26 02:50:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:50:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:50:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:50:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:50:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:50:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:50:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:50:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:50:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:50:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:50:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:50:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:50:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:50:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:50:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:50:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:50:57,819 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:50:57,819 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:50:57,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:57 BoogieIcfgContainer [2019-11-26 02:50:57,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:50:57,821 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:50:57,821 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:50:57,830 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:50:57,830 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:57" (1/1) ... [2019-11-26 02:50:57,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:57,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-26 02:50:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-26 02:50:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:50:57,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-26 02:50:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-26 02:50:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:50:58,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-26 02:50:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-26 02:50:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:50:58,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2019-11-26 02:50:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-26 02:50:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:50:58,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2019-11-26 02:50:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2019-11-26 02:50:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:50:58,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2019-11-26 02:50:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-11-26 02:50:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:50:58,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2019-11-26 02:50:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2019-11-26 02:50:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:50:58,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:59,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-11-26 02:50:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-11-26 02:50:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:50:59,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2019-11-26 02:51:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2019-11-26 02:51:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:51:00,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2019-11-26 02:51:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2019-11-26 02:51:00,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:51:00,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2019-11-26 02:51:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2019-11-26 02:51:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:51:00,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-11-26 02:51:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-11-26 02:51:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:51:01,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2019-11-26 02:51:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-26 02:51:01,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:51:01,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 184 transitions. [2019-11-26 02:51:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-11-26 02:51:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:51:01,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2019-11-26 02:51:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-11-26 02:51:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:51:01,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 188 transitions. [2019-11-26 02:51:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 188 transitions. [2019-11-26 02:51:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:51:01,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:02,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 191 transitions. [2019-11-26 02:51:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2019-11-26 02:51:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:51:02,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2019-11-26 02:51:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2019-11-26 02:51:02,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:51:02,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 207 transitions. [2019-11-26 02:51:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2019-11-26 02:51:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:51:02,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 207 transitions. [2019-11-26 02:51:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2019-11-26 02:51:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:51:02,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:51:02,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 208 transitions. [2019-11-26 02:51:02,984 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2019-11-26 02:51:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:51:02,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:51:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 134 states and 248 transitions. [2019-11-26 02:51:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-11-26 02:51:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:51:04,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:51:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 255 transitions. [2019-11-26 02:51:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2019-11-26 02:51:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:51:04,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-11-26 02:51:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-11-26 02:51:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:51:07,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:51:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:07,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-11-26 02:51:07,450 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-11-26 02:51:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:51:07,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:51:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2019-11-26 02:51:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-26 02:51:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:51:07,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:51:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2019-11-26 02:51:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2019-11-26 02:51:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:51:07,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:51:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2019-11-26 02:51:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2019-11-26 02:51:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:51:08,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:51:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2019-11-26 02:51:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2019-11-26 02:51:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:51:09,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:51:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2019-11-26 02:51:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2019-11-26 02:51:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:51:09,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:51:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2019-11-26 02:51:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2019-11-26 02:51:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:51:09,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 02:51:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 118 states and 195 transitions. [2019-11-26 02:51:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-11-26 02:51:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:51:09,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:51:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2019-11-26 02:51:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-11-26 02:51:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:51:09,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:51:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 70 states and 105 transitions. [2019-11-26 02:51:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2019-11-26 02:51:09,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:51:09,890 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-11-26 02:51:09,900 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:51:10,188 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,191 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:51:10,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,195 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,195 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 02:51:10,196 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,197 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,197 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:10,197 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 02:51:10,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:51:10 ImpRootNode [2019-11-26 02:51:10,199 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:51:10,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:51:10,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:51:10,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:51:10,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:57" (3/4) ... [2019-11-26 02:51:10,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:51:10,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:51:10,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:51:10,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:51:10,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:51:10,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:51:10,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:51:10,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-26 02:51:10,222 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:51:10,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:51:10,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:51:10,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:51:10,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:10,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:51:10,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 02:51:10,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-11-26 02:51:10,294 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5cc8da52-0ce1-465f-b815-3e5306b83cdd/bin/ukojak/witness.graphml [2019-11-26 02:51:10,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:51:10,299 INFO L168 Benchmark]: Toolchain (without parser) took 13926.49 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 353.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 159.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,300 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:10,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.60 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,301 INFO L168 Benchmark]: Boogie Preprocessor took 28.67 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. [2019-11-26 02:51:10,301 INFO L168 Benchmark]: RCFGBuilder took 902.01 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,301 INFO L168 Benchmark]: CodeCheck took 12378.10 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,302 INFO L168 Benchmark]: Witness Printer took 98.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:10,304 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: 12.0s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -187110068 SDtfs, 1983197980 SDslu, 444732428 SDs, 0 SdLazy, 1370140956 SolverSat, 950813996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10401 GetRequests, 10075 SyntacticMatches, 142 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14055 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1016 NumberOfCodeBlocks, 1016 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 983 ConstructedInterpolants, 0 QuantifiedInterpolants, 75358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 254/284 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: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.60 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.67 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 902.01 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * CodeCheck took 12378.10 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 114.8 MB. Max. memory is 11.5 GB. * Witness Printer took 98.58 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...