./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 16:30:18,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:30:18,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:30:18,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:30:18,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:30:18,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:30:18,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:30:18,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:30:18,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:30:18,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:30:18,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:30:18,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:30:18,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:30:18,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:30:18,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:30:18,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:30:18,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:30:18,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:30:18,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:30:18,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:30:18,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:30:18,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:30:18,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:30:18,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:30:18,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:30:18,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:30:18,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:30:18,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:30:18,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:30:18,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:30:18,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:30:18,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:30:18,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:30:18,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:30:18,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:30:18,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:30:18,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:30:18,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:30:18,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:30:18,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:30:18,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:30:18,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 16:30:18,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:30:18,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:30:18,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 16:30:18,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 16:30:18,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:30:18,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:30:18,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 16:30:18,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 16:30:18,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:30:18,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:30:18,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:30:18,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:30:18,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:30:18,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 16:30:18,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 16:30:18,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 16:30:18,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 16:30:18,888 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_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-12-01 16:30:18,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:30:18,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:30:18,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:30:19,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:30:19,001 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:30:19,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-12-01 16:30:19,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/data/ff643bfb9/8c309f641f9548099d925e65fef931bc/FLAG6df6a731c [2019-12-01 16:30:19,484 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:30:19,484 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-12-01 16:30:19,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/data/ff643bfb9/8c309f641f9548099d925e65fef931bc/FLAG6df6a731c [2019-12-01 16:30:19,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/data/ff643bfb9/8c309f641f9548099d925e65fef931bc [2019-12-01 16:30:19,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:30:19,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:30:19,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:30:19,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:30:19,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:30:19,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19, skipping insertion in model container [2019-12-01 16:30:19,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:30:19,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:30:19,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:30:19,763 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:30:19,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:30:19,834 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:30:19,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19 WrapperNode [2019-12-01 16:30:19,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:30:19,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:30:19,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:30:19,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:30:19,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:30:19,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:30:19,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:30:19,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:30:19,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... [2019-12-01 16:30:19,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:30:19,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:30:19,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:30:19,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:30:19,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:30:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 16:30:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 16:30:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 16:30:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 16:30:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 16:30:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 16:30:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 16:30:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 16:30:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 16:30:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 16:30:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 16:30:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 16:30:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 16:30:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:30:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:30:20,420 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:30:20,420 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 16:30:20,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:20 BoogieIcfgContainer [2019-12-01 16:30:20,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:30:20,422 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:30:20,422 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:30:20,429 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:30:20,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:20" (1/1) ... [2019-12-01 16:30:20,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:30:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-12-01 16:30:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-12-01 16:30:20,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:30:20,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-12-01 16:30:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-12-01 16:30:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:30:20,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-12-01 16:30:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-12-01 16:30:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 16:30:20,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2019-12-01 16:30:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2019-12-01 16:30:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:30:20,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-12-01 16:30:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-12-01 16:30:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:30:20,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-12-01 16:30:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-12-01 16:30:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:30:20,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-12-01 16:30:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-12-01 16:30:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:30:20,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2019-12-01 16:30:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2019-12-01 16:30:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:30:21,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2019-12-01 16:30:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2019-12-01 16:30:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:30:21,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2019-12-01 16:30:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2019-12-01 16:30:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 16:30:21,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 98 states and 154 transitions. [2019-12-01 16:30:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2019-12-01 16:30:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:30:21,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:21,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2019-12-01 16:30:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2019-12-01 16:30:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 16:30:22,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2019-12-01 16:30:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2019-12-01 16:30:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 16:30:22,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 210 transitions. [2019-12-01 16:30:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2019-12-01 16:30:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:30:22,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2019-12-01 16:30:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2019-12-01 16:30:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 16:30:22,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 216 transitions. [2019-12-01 16:30:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2019-12-01 16:30:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 16:30:22,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:22,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 210 transitions. [2019-12-01 16:30:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-12-01 16:30:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 16:30:22,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 235 transitions. [2019-12-01 16:30:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2019-12-01 16:30:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 16:30:23,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 238 transitions. [2019-12-01 16:30:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2019-12-01 16:30:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 16:30:23,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 247 transitions. [2019-12-01 16:30:23,254 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-12-01 16:30:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 16:30:23,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 248 transitions. [2019-12-01 16:30:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2019-12-01 16:30:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 16:30:23,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 249 transitions. [2019-12-01 16:30:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2019-12-01 16:30:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 16:30:23,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 250 transitions. [2019-12-01 16:30:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-12-01 16:30:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 16:30:23,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:30:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 151 states and 295 transitions. [2019-12-01 16:30:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2019-12-01 16:30:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 16:30:23,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:30:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 297 transitions. [2019-12-01 16:30:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-12-01 16:30:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 16:30:23,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 16:30:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 154 states and 297 transitions. [2019-12-01 16:30:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2019-12-01 16:30:23,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 16:30:23,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 162 states and 326 transitions. [2019-12-01 16:30:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2019-12-01 16:30:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 16:30:25,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:30:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 327 transitions. [2019-12-01 16:30:25,306 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2019-12-01 16:30:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 16:30:25,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:30:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 328 transitions. [2019-12-01 16:30:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 328 transitions. [2019-12-01 16:30:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 16:30:25,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 16:30:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 325 transitions. [2019-12-01 16:30:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2019-12-01 16:30:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 16:30:25,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 179 states and 365 transitions. [2019-12-01 16:30:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 365 transitions. [2019-12-01 16:30:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 16:30:26,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 366 transitions. [2019-12-01 16:30:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 366 transitions. [2019-12-01 16:30:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:30:26,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:30:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 181 states and 367 transitions. [2019-12-01 16:30:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2019-12-01 16:30:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 16:30:26,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 186 states and 378 transitions. [2019-12-01 16:30:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 378 transitions. [2019-12-01 16:30:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:30:27,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 16:30:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 190 states and 390 transitions. [2019-12-01 16:30:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2019-12-01 16:30:27,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 16:30:27,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 16:30:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 194 states and 396 transitions. [2019-12-01 16:30:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 396 transitions. [2019-12-01 16:30:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 16:30:28,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 16:30:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 198 states and 404 transitions. [2019-12-01 16:30:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 404 transitions. [2019-12-01 16:30:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:30:28,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:30:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 200 states and 412 transitions. [2019-12-01 16:30:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 412 transitions. [2019-12-01 16:30:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 16:30:29,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 202 states and 412 transitions. [2019-12-01 16:30:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 412 transitions. [2019-12-01 16:30:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 16:30:29,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 16:30:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 413 transitions. [2019-12-01 16:30:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2019-12-01 16:30:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 16:30:29,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:30:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 207 states and 422 transitions. [2019-12-01 16:30:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 422 transitions. [2019-12-01 16:30:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 16:30:30,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 16:30:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 205 states and 418 transitions. [2019-12-01 16:30:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 418 transitions. [2019-12-01 16:30:30,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 16:30:30,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 16:30:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 202 states and 410 transitions. [2019-12-01 16:30:30,404 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 410 transitions. [2019-12-01 16:30:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 16:30:30,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:30:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 209 states and 421 transitions. [2019-12-01 16:30:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 421 transitions. [2019-12-01 16:30:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 16:30:30,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:30:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 210 states and 423 transitions. [2019-12-01 16:30:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 423 transitions. [2019-12-01 16:30:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 16:30:30,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:30:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 211 states and 424 transitions. [2019-12-01 16:30:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 424 transitions. [2019-12-01 16:30:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 16:30:30,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 16:30:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 212 states and 425 transitions. [2019-12-01 16:30:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 425 transitions. [2019-12-01 16:30:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 16:30:30,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:30:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 197 states and 396 transitions. [2019-12-01 16:30:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 396 transitions. [2019-12-01 16:30:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 16:30:30,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 16:30:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 197 states and 393 transitions. [2019-12-01 16:30:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 393 transitions. [2019-12-01 16:30:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 16:30:31,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 16:30:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 195 states and 382 transitions. [2019-12-01 16:30:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 382 transitions. [2019-12-01 16:30:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 16:30:31,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 16:30:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 205 states and 420 transitions. [2019-12-01 16:30:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 420 transitions. [2019-12-01 16:30:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 16:30:32,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 16:30:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 122 states and 200 transitions. [2019-12-01 16:30:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2019-12-01 16:30:33,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 16:30:33,238 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2019-12-01 16:30:33,245 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 16:30:33,498 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,501 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,501 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,501 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 16:30:33,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,504 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,505 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,506 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 16:30:33,506 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 16:30:33,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:30:33 ImpRootNode [2019-12-01 16:30:33,506 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 16:30:33,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 16:30:33,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 16:30:33,507 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 16:30:33,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:20" (3/4) ... [2019-12-01 16:30:33,509 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 16:30:33,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 16:30:33,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-12-01 16:30:33,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 16:30:33,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 16:30:33,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 16:30:33,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 16:30:33,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 16:30:33,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 16:30:33,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) [2019-12-01 16:30:33,539 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 16:30:33,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7c3bf0cf-420a-476b-9a94-ffd0081c3f47/bin/ukojak/witness.graphml [2019-12-01 16:30:33,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 16:30:33,566 INFO L168 Benchmark]: Toolchain (without parser) took 14061.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.0 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -262.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,566 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:30:33,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,567 INFO L168 Benchmark]: Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:30:33,567 INFO L168 Benchmark]: RCFGBuilder took 524.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,567 INFO L168 Benchmark]: CodeCheck took 13084.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -168.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,568 INFO L168 Benchmark]: Witness Printer took 58.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:30:33,569 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 12.7s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 391649712 SDtfs, 1952395854 SDslu, -540017168 SDs, 0 SdLazy, -266719410 SolverSat, 1522091276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22950 GetRequests, 22407 SyntacticMatches, 242 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45111 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1932 NumberOfCodeBlocks, 1932 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1881 ConstructedInterpolants, 0 QuantifiedInterpolants, 188396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 619/668 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: 952]: 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: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: 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: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -190.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * CodeCheck took 13084.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -168.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 58.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...