./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.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_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/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 f80d3a5338c2579934de7f265b1ca347607a109f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:30:03,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:30:03,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:30:03,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:30:03,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:30:03,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:30:03,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:30:03,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:30:03,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:30:03,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:30:03,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:30:03,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:30:03,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:30:03,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:30:03,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:30:03,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:30:03,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:30:03,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:30:03,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:30:03,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:30:03,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:30:03,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:30:03,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:30:03,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:30:03,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:30:03,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:30:03,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:30:03,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:30:03,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:30:03,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:30:03,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:30:03,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:30:03,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:30:03,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:30:03,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:30:03,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:30:03,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:30:03,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:30:03,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:30:03,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:30:03,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:30:03,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:30:03,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:30:03,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:30:03,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:30:03,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:30:03,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:30:03,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:30:03,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:30:03,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:30:03,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:30:03,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:30:03,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:30:03,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:30:03,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:30:03,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:30:03,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:30:03,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:30:03,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:30:03,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:30:03,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:30:03,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:30:03,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:30:03,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:30:03,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:30:03,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:30:03,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:30:03,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:30:03,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:30:03,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:30:03,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:30:03,920 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_007e9a1d-e132-4782-8497-1700a715e6d1/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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2019-11-20 07:30:04,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:30:04,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:30:04,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:30:04,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:30:04,107 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:30:04,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-11-20 07:30:04,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/data/161004b49/5d66e05efad7402eaaa3dd847fbfc9e4/FLAGea23c8ef8 [2019-11-20 07:30:04,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:30:04,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-11-20 07:30:04,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/data/161004b49/5d66e05efad7402eaaa3dd847fbfc9e4/FLAGea23c8ef8 [2019-11-20 07:30:05,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/data/161004b49/5d66e05efad7402eaaa3dd847fbfc9e4 [2019-11-20 07:30:05,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:30:05,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:30:05,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:30:05,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:30:05,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:30:05,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc42e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05, skipping insertion in model container [2019-11-20 07:30:05,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:30:05,237 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:30:05,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:30:05,667 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:30:05,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:30:05,763 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:30:05,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05 WrapperNode [2019-11-20 07:30:05,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:30:05,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:30:05,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:30:05,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:30:05,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:30:05,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:30:05,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:30:05,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:30:05,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... [2019-11-20 07:30:05,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:30:05,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:30:05,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:30:05,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:30:05,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/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 07:30:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:30:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 07:30:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 07:30:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 07:30:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 07:30:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 07:30:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 07:30:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 07:30:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 07:30:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 07:30:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 07:30:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 07:30:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 07:30:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:30:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 07:30:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 07:30:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:30:05,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:30:06,984 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:30:06,985 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 07:30:06,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:06 BoogieIcfgContainer [2019-11-20 07:30:06,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:30:06,987 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:30:06,987 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:30:07,000 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:30:07,000 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:06" (1/1) ... [2019-11-20 07:30:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:30:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2019-11-20 07:30:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-11-20 07:30:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:30:07,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:07,357 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 07:30:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-20 07:30:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 07:30:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:30:07,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:07,459 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 07:30:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2019-11-20 07:30:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2019-11-20 07:30:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 07:30:07,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:07,597 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 07:30:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-11-20 07:30:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-20 07:30:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:30:07,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:07,777 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 07:30:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2019-11-20 07:30:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-11-20 07:30:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:30:08,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:08,226 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 07:30:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2019-11-20 07:30:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2019-11-20 07:30:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 07:30:08,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:09,010 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 07:30:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2019-11-20 07:30:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2019-11-20 07:30:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 07:30:09,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:09,082 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 07:30:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2019-11-20 07:30:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2019-11-20 07:30:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 07:30:09,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:09,153 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 07:30:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2019-11-20 07:30:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2019-11-20 07:30:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:30:09,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:09,364 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 07:30:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2019-11-20 07:30:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2019-11-20 07:30:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 07:30:09,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:09,494 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 07:30:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 182 transitions. [2019-11-20 07:30:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2019-11-20 07:30:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:30:10,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:10,649 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 07:30:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 183 transitions. [2019-11-20 07:30:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2019-11-20 07:30:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 07:30:10,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:10,832 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 07:30:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 195 transitions. [2019-11-20 07:30:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2019-11-20 07:30:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 07:30:10,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:10,887 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 07:30:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2019-11-20 07:30:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2019-11-20 07:30:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 07:30:11,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:11,073 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 07:30:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 207 transitions. [2019-11-20 07:30:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2019-11-20 07:30:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 07:30:11,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:11,289 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 07:30:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 127 states and 213 transitions. [2019-11-20 07:30:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 213 transitions. [2019-11-20 07:30:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 07:30:11,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:11,545 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 07:30:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 128 states and 214 transitions. [2019-11-20 07:30:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2019-11-20 07:30:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 07:30:11,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 223 transitions. [2019-11-20 07:30:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2019-11-20 07:30:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 07:30:11,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:12,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 142 states and 247 transitions. [2019-11-20 07:30:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 247 transitions. [2019-11-20 07:30:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 07:30:12,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 143 states and 249 transitions. [2019-11-20 07:30:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 249 transitions. [2019-11-20 07:30:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:30:12,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:12,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 141 states and 245 transitions. [2019-11-20 07:30:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2019-11-20 07:30:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:30:12,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 07:30:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 252 transitions. [2019-11-20 07:30:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2019-11-20 07:30:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 07:30:13,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 150 states and 265 transitions. [2019-11-20 07:30:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 265 transitions. [2019-11-20 07:30:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 07:30:14,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:30:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2019-11-20 07:30:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2019-11-20 07:30:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 07:30:14,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 07:30:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 155 states and 270 transitions. [2019-11-20 07:30:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2019-11-20 07:30:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 07:30:15,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 07:30:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 157 states and 271 transitions. [2019-11-20 07:30:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2019-11-20 07:30:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 07:30:15,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 173 states and 307 transitions. [2019-11-20 07:30:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2019-11-20 07:30:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 07:30:17,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 175 states and 308 transitions. [2019-11-20 07:30:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2019-11-20 07:30:18,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 07:30:18,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:30:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 177 states and 309 transitions. [2019-11-20 07:30:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2019-11-20 07:30:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 07:30:18,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:30:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 310 transitions. [2019-11-20 07:30:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 310 transitions. [2019-11-20 07:30:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 07:30:19,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 191 states and 340 transitions. [2019-11-20 07:30:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 340 transitions. [2019-11-20 07:30:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 07:30:20,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:20,881 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 193 states and 342 transitions. [2019-11-20 07:30:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 342 transitions. [2019-11-20 07:30:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 07:30:21,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:21,297 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 07:30:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 193 states and 338 transitions. [2019-11-20 07:30:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 338 transitions. [2019-11-20 07:30:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 07:30:21,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:30:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 195 states and 339 transitions. [2019-11-20 07:30:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 339 transitions. [2019-11-20 07:30:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 07:30:22,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:22,277 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 196 states and 340 transitions. [2019-11-20 07:30:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 340 transitions. [2019-11-20 07:30:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 07:30:22,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:22,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:22,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 199 states and 343 transitions. [2019-11-20 07:30:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 343 transitions. [2019-11-20 07:30:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 07:30:22,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:30:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 200 states and 346 transitions. [2019-11-20 07:30:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 346 transitions. [2019-11-20 07:30:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 07:30:22,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 07:30:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 201 states and 347 transitions. [2019-11-20 07:30:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 347 transitions. [2019-11-20 07:30:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 07:30:22,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 07:30:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 206 states and 349 transitions. [2019-11-20 07:30:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 349 transitions. [2019-11-20 07:30:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 07:30:23,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 07:30:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 153 states and 239 transitions. [2019-11-20 07:30:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2019-11-20 07:30:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 07:30:23,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:30:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 158 states and 246 transitions. [2019-11-20 07:30:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 246 transitions. [2019-11-20 07:30:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:30:24,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:30:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 156 states and 242 transitions. [2019-11-20 07:30:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 242 transitions. [2019-11-20 07:30:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:30:24,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:30:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 157 states and 245 transitions. [2019-11-20 07:30:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 245 transitions. [2019-11-20 07:30:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:30:24,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:30:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 160 states and 248 transitions. [2019-11-20 07:30:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2019-11-20 07:30:24,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:30:24,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 07:30:24,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 162 states and 250 transitions. [2019-11-20 07:30:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2019-11-20 07:30:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:30:24,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 07:30:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:24,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 164 states and 253 transitions. [2019-11-20 07:30:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 253 transitions. [2019-11-20 07:30:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:30:24,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 07:30:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 165 states and 254 transitions. [2019-11-20 07:30:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2019-11-20 07:30:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 07:30:25,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 07:30:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 166 states and 255 transitions. [2019-11-20 07:30:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2019-11-20 07:30:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 07:30:25,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 07:30:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 157 states and 238 transitions. [2019-11-20 07:30:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 238 transitions. [2019-11-20 07:30:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 07:30:25,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 07:30:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 90 states and 122 transitions. [2019-11-20 07:30:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2019-11-20 07:30:25,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:30:25,305 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2019-11-20 07:30:25,316 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:30:25,717 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,723 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 07:30:25,733 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,734 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 07:30:25,735 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,735 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,735 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 07:30:25,740 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:30:25,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:30:25 ImpRootNode [2019-11-20 07:30:25,741 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:30:25,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:30:25,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:30:25,743 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:30:25,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:06" (3/4) ... [2019-11-20 07:30:25,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:30:25,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 07:30:25,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 07:30:25,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 07:30:25,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 07:30:25,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 07:30:25,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 07:30:25,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 07:30:25,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-20 07:30:25,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 07:30:25,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 07:30:25,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:30:25,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:30:25,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:30:25,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2019-11-20 07:30:25,858 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_007e9a1d-e132-4782-8497-1700a715e6d1/bin/ukojak/witness.graphml [2019-11-20 07:30:25,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:30:25,860 INFO L168 Benchmark]: Toolchain (without parser) took 20678.94 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 473.4 MB). Free memory was 950.1 MB in the beginning and 1.4 GB in the end (delta: -455.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:30:25,860 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:30:25,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -225.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:30:25,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:30:25,861 INFO L168 Benchmark]: Boogie Preprocessor took 33.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:30:25,862 INFO L168 Benchmark]: RCFGBuilder took 1132.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:30:25,862 INFO L168 Benchmark]: CodeCheck took 18754.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -326.3 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:30:25,863 INFO L168 Benchmark]: Witness Printer took 116.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:30:25,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Result: SAFE, OverallTime: 18.2s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -2039815124 SDtfs, -1167458852 SDslu, -2051697508 SDs, 0 SdLazy, 805667580 SolverSat, 1336875884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20635 GetRequests, 20165 SyntacticMatches, 208 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27849 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2102 NumberOfCodeBlocks, 2102 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2053 ConstructedInterpolants, 0 QuantifiedInterpolants, 191798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 40 PerfectInterpolantSequences, 723/769 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: 600]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: 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: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -225.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1132.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * CodeCheck took 18754.17 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -326.3 MB). Peak memory consumption was 493.9 MB. Max. memory is 11.5 GB. * Witness Printer took 116.83 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...