./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:36:23,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:36:23,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:36:23,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:36:23,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:36:23,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:36:23,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:36:23,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:36:23,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:36:23,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:36:23,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:36:23,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:36:23,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:36:23,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:36:23,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:36:23,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:36:23,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:36:23,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:36:23,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:36:23,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:36:23,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:36:23,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:36:23,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:36:23,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:36:23,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:36:23,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:36:23,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:36:23,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:36:23,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:36:23,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:36:23,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:36:23,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:36:23,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:36:23,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:36:23,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:36:23,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:36:23,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:36:23,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:36:23,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:36:23,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:36:23,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:36:23,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:36:23,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:36:23,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:36:23,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:36:23,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:36:23,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:36:23,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:36:23,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:36:23,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:36:23,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:36:23,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:36:23,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:36:23,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:36:23,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:36:23,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:36:23,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:36:23,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:36:23,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:36:23,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:36:23,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:36:23,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:36:23,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:36:23,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:36:23,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:36:23,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:36:23,893 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_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-11-26 02:36:24,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:36:24,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:36:24,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:36:24,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:36:24,119 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:36:24,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-26 02:36:24,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/data/bf1d07036/68c1dc7022d74b808dad9c0de7e98964/FLAGe36a554ca [2019-11-26 02:36:24,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:36:24,773 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-26 02:36:24,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/data/bf1d07036/68c1dc7022d74b808dad9c0de7e98964/FLAGe36a554ca [2019-11-26 02:36:25,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/data/bf1d07036/68c1dc7022d74b808dad9c0de7e98964 [2019-11-26 02:36:25,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:36:25,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:36:25,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:36:25,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:36:25,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:36:25,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7c9fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25, skipping insertion in model container [2019-11-26 02:36:25,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:36:25,241 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:36:25,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:36:25,655 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:36:25,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:36:25,816 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:36:25,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25 WrapperNode [2019-11-26 02:36:25,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:36:25,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:36:25,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:36:25,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:36:25,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:36:25,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:36:25,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:36:25,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:36:25,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... [2019-11-26 02:36:25,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:36:25,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:36:25,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:36:25,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:36:25,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/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 02:36:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:36:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:36:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:36:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:36:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:36:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:36:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:36:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:36:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:36:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:36:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:36:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:36:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:36:26,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:36:27,028 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:36:27,028 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:36:27,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:27 BoogieIcfgContainer [2019-11-26 02:36:27,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:36:27,030 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:36:27,030 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:36:27,043 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:36:27,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:27" (1/1) ... [2019-11-26 02:36:27,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:36:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-26 02:36:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-26 02:36:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:36:27,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:27,421 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 02:36:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-26 02:36:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-26 02:36:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:36:27,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:27,559 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 02:36:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-26 02:36:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-26 02:36:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:36:27,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:27,711 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 02:36:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2019-11-26 02:36:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-11-26 02:36:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:36:27,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:27,834 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 02:36:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2019-11-26 02:36:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2019-11-26 02:36:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:36:27,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:28,065 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 02:36:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-26 02:36:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-26 02:36:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:36:28,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:28,122 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 02:36:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2019-11-26 02:36:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-11-26 02:36:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:36:28,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:28,275 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 02:36:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2019-11-26 02:36:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2019-11-26 02:36:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:36:29,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:29,132 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 02:36:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2019-11-26 02:36:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2019-11-26 02:36:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:36:29,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:29,893 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 02:36:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:30,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2019-11-26 02:36:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2019-11-26 02:36:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:36:30,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:30,198 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 02:36:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2019-11-26 02:36:30,294 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2019-11-26 02:36:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:36:30,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:30,366 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 02:36:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2019-11-26 02:36:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2019-11-26 02:36:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:36:30,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:30,626 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 02:36:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2019-11-26 02:36:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-11-26 02:36:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:36:31,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:31,072 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 02:36:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2019-11-26 02:36:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-11-26 02:36:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:36:31,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:31,185 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 02:36:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 112 states and 201 transitions. [2019-11-26 02:36:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 201 transitions. [2019-11-26 02:36:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:36:31,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:31,841 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 02:36:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 115 states and 206 transitions. [2019-11-26 02:36:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 206 transitions. [2019-11-26 02:36:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:36:31,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:31,902 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 02:36:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 212 transitions. [2019-11-26 02:36:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 212 transitions. [2019-11-26 02:36:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:36:31,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:31,977 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 02:36:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 213 transitions. [2019-11-26 02:36:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 213 transitions. [2019-11-26 02:36:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:36:31,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:32,025 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 02:36:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 220 transitions. [2019-11-26 02:36:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 220 transitions. [2019-11-26 02:36:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:36:32,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:32,388 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 02:36:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 123 states and 220 transitions. [2019-11-26 02:36:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 220 transitions. [2019-11-26 02:36:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:36:32,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:36:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 138 states and 256 transitions. [2019-11-26 02:36:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 256 transitions. [2019-11-26 02:36:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:36:33,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:33,642 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 02:36:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 150 states and 287 transitions. [2019-11-26 02:36:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 287 transitions. [2019-11-26 02:36:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:36:34,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:35,003 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 02:36:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 152 states and 289 transitions. [2019-11-26 02:36:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 289 transitions. [2019-11-26 02:36:35,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:36:35,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:35,708 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 02:36:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 160 states and 310 transitions. [2019-11-26 02:36:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 310 transitions. [2019-11-26 02:36:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:36:38,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:36:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 161 states and 311 transitions. [2019-11-26 02:36:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 311 transitions. [2019-11-26 02:36:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:36:38,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:36:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 312 transitions. [2019-11-26 02:36:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2019-11-26 02:36:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:36:38,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:38,327 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 02:36:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 163 states and 313 transitions. [2019-11-26 02:36:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 313 transitions. [2019-11-26 02:36:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:36:38,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:38,389 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 02:36:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 164 states and 314 transitions. [2019-11-26 02:36:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 314 transitions. [2019-11-26 02:36:38,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:36:38,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:39,265 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 02:36:40,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 173 states and 336 transitions. [2019-11-26 02:36:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2019-11-26 02:36:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:36:40,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:40,909 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 02:36:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 174 states and 337 transitions. [2019-11-26 02:36:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 337 transitions. [2019-11-26 02:36:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:36:40,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:41,014 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 02:36:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 188 states and 379 transitions. [2019-11-26 02:36:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 379 transitions. [2019-11-26 02:36:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:36:42,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:42,915 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 02:36:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 188 states and 375 transitions. [2019-11-26 02:36:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 375 transitions. [2019-11-26 02:36:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:36:43,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:43,281 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 02:36:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 189 states and 376 transitions. [2019-11-26 02:36:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 376 transitions. [2019-11-26 02:36:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:36:43,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:43,371 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 02:36:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 191 states and 378 transitions. [2019-11-26 02:36:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 378 transitions. [2019-11-26 02:36:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:36:43,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:43,736 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 02:36:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 192 states and 379 transitions. [2019-11-26 02:36:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2019-11-26 02:36:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:36:43,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:43,810 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 02:36:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 193 states and 380 transitions. [2019-11-26 02:36:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 380 transitions. [2019-11-26 02:36:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:36:43,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:43,873 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 02:36:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 194 states and 381 transitions. [2019-11-26 02:36:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 381 transitions. [2019-11-26 02:36:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:36:43,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:44,226 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 02:36:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 202 states and 407 transitions. [2019-11-26 02:36:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 407 transitions. [2019-11-26 02:36:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:36:47,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,151 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 02:36:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 207 states and 414 transitions. [2019-11-26 02:36:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 414 transitions. [2019-11-26 02:36:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:36:47,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,242 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 02:36:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 195 states and 390 transitions. [2019-11-26 02:36:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 390 transitions. [2019-11-26 02:36:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:36:47,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,318 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 02:36:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 199 states and 397 transitions. [2019-11-26 02:36:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 397 transitions. [2019-11-26 02:36:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:36:47,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,710 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 02:36:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 201 states and 399 transitions. [2019-11-26 02:36:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 399 transitions. [2019-11-26 02:36:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:36:47,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,800 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 02:36:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 199 states and 395 transitions. [2019-11-26 02:36:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 395 transitions. [2019-11-26 02:36:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:36:47,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,884 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 02:36:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 196 states and 388 transitions. [2019-11-26 02:36:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 388 transitions. [2019-11-26 02:36:47,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:36:47,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:47,952 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 02:36:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 194 states and 384 transitions. [2019-11-26 02:36:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 384 transitions. [2019-11-26 02:36:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:36:47,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:48,023 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 02:36:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 187 states and 367 transitions. [2019-11-26 02:36:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 367 transitions. [2019-11-26 02:36:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:36:48,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-26 02:36:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 190 states and 369 transitions. [2019-11-26 02:36:49,230 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 369 transitions. [2019-11-26 02:36:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-26 02:36:49,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 02:36:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 192 states and 370 transitions. [2019-11-26 02:36:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2019-11-26 02:36:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 02:36:49,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-26 02:36:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 194 states and 369 transitions. [2019-11-26 02:36:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2019-11-26 02:36:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 02:36:50,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-26 02:36:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 191 states and 363 transitions. [2019-11-26 02:36:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 363 transitions. [2019-11-26 02:36:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-26 02:36:51,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-26 02:36:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 102 states and 169 transitions. [2019-11-26 02:36:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2019-11-26 02:36:52,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:36:52,180 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-11-26 02:36:52,191 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:36:52,637 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,641 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,641 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,642 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,642 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,642 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-11-26 02:36:52,649 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,649 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,649 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,650 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-26 02:36:52,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:52,652 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:36:52,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:36:52 ImpRootNode [2019-11-26 02:36:52,653 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:36:52,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:36:52,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:36:52,654 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:36:52,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:27" (3/4) ... [2019-11-26 02:36:52,658 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:36:52,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:36:52,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:36:52,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:36:52,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:36:52,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:36:52,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:36:52,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-26 02:36:52,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:36:52,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:36:52,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:36:52,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:36:52,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:36:52,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:36:52,711 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel)))) || ((!(1 == systemActive) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 02:36:52,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 02:36:52,751 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ee38812-dcfe-4c7e-8f0b-ad55142dabb4/bin/ukojak/witness.graphml [2019-11-26 02:36:52,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:36:52,753 INFO L168 Benchmark]: Toolchain (without parser) took 27591.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.0 MB). Free memory was 944.8 MB in the beginning and 949.7 MB in the end (delta: -4.9 MB). Peak memory consumption was 459.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:52,754 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:52,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.18 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: -144.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:52,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.41 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 02:36:52,755 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 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 02:36:52,755 INFO L168 Benchmark]: RCFGBuilder took 1110.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:52,756 INFO L168 Benchmark]: CodeCheck took 25622.99 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 999.1 MB in the beginning and 967.8 MB in the end (delta: 31.3 MB). Peak memory consumption was 386.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:52,756 INFO L168 Benchmark]: Witness Printer took 97.88 ms. Allocated memory is still 1.5 GB. Free memory was 954.2 MB in the beginning and 949.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:52,759 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: 25.1s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1615233680 SDtfs, 1199974782 SDslu, -495538112 SDs, 0 SdLazy, -414095050 SolverSat, 1982150984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19934 GetRequests, 19363 SyntacticMatches, 267 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43496 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1823 NumberOfCodeBlocks, 1823 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1773 ConstructedInterpolants, 0 QuantifiedInterpolants, 177155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 656/723 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: 44]: 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && (\old(waterLevel) <= 0 || !(0 == waterLevel)))) || ((!(1 == systemActive) && pumpRunning == \old(pumpRunning)) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.18 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: -144.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.41 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 35.38 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 1110.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.1 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * CodeCheck took 25622.99 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 354.9 MB). Free memory was 999.1 MB in the beginning and 967.8 MB in the end (delta: 31.3 MB). Peak memory consumption was 386.2 MB. Max. memory is 11.5 GB. * Witness Printer took 97.88 ms. Allocated memory is still 1.5 GB. Free memory was 954.2 MB in the beginning and 949.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...