./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3a274b64e7ba6d81948d0b8c45cbd715251888 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 16:21:06,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:21:06,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:21:06,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:21:06,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:21:06,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:21:06,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:21:06,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:21:06,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:21:06,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:21:06,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:21:06,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:21:06,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:21:06,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:21:06,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:21:06,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:21:06,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:21:06,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:21:06,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:21:06,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:21:06,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:21:06,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:21:06,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:21:06,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:21:06,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:21:06,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:21:06,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:21:06,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:21:06,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:21:06,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:21:06,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:21:06,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:21:06,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:21:06,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:21:06,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:21:06,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:21:06,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:21:06,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:21:06,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:21:06,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:21:06,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:21:06,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 16:21:06,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:21:06,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:21:06,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:21:06,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:21:06,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:21:06,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:21:06,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 16:21:06,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:21:06,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:21:06,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:21:06,897 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 16:21:06,897 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 16:21:06,897 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 16:21:06,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:21:06,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:21:06,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:21:06,898 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:21:06,898 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:21:06,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:21:06,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:21:06,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:21:06,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:21:06,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:21:06,899 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 16:21:06,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 16:21:06,900 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_c91ee133-e184-4739-b002-7813c2785fc9/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2019-12-01 16:21:07,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:21:07,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:21:07,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:21:07,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:21:07,012 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:21:07,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-12-01 16:21:07,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/a9c71915b/4424112f824f42faa0905a97b6a0c4df/FLAG4db8ad0c3 [2019-12-01 16:21:07,501 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:21:07,502 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-12-01 16:21:07,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/a9c71915b/4424112f824f42faa0905a97b6a0c4df/FLAG4db8ad0c3 [2019-12-01 16:21:07,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/a9c71915b/4424112f824f42faa0905a97b6a0c4df [2019-12-01 16:21:07,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:21:07,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:21:07,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:21:07,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:21:07,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:21:07,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd1e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07, skipping insertion in model container [2019-12-01 16:21:07,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:21:07,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:21:07,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:21:07,766 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:21:07,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:21:07,824 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:21:07,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07 WrapperNode [2019-12-01 16:21:07,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:21:07,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:21:07,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:21:07,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:21:07,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:21:07,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:21:07,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:21:07,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:21:07,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... [2019-12-01 16:21:07,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:21:07,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:21:07,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:21:07,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:21:07,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:21:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/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 16:21:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 16:21:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 16:21:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 16:21:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 16:21:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 16:21:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 16:21:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:21:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:21:08,249 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:21:08,249 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 16:21:08,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:08 BoogieIcfgContainer [2019-12-01 16:21:08,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:21:08,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:21:08,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:21:08,257 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:21:08,258 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:08" (1/1) ... [2019-12-01 16:21:08,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:21:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2019-12-01 16:21:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2019-12-01 16:21:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 16:21:08,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,379 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 16:21:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2019-12-01 16:21:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2019-12-01 16:21:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 16:21:08,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,422 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 16:21:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 82 states and 94 transitions. [2019-12-01 16:21:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-12-01 16:21:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:21:08,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,509 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 16:21:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2019-12-01 16:21:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2019-12-01 16:21:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 16:21:08,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,536 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 16:21:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2019-12-01 16:21:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2019-12-01 16:21:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:21:08,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,586 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 16:21:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2019-12-01 16:21:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-12-01 16:21:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 16:21:08,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,675 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 16:21:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2019-12-01 16:21:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2019-12-01 16:21:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:21:08,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,775 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 16:21:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2019-12-01 16:21:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2019-12-01 16:21:08,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 16:21:08,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,846 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 16:21:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2019-12-01 16:21:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2019-12-01 16:21:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:08,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:08,978 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 16:21:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2019-12-01 16:21:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2019-12-01 16:21:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:09,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:09,098 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 16:21:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2019-12-01 16:21:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2019-12-01 16:21:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:09,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:09,332 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 16:21:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 89 states and 111 transitions. [2019-12-01 16:21:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2019-12-01 16:21:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:09,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:09,360 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 16:21:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 88 states and 110 transitions. [2019-12-01 16:21:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2019-12-01 16:21:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:09,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:09,436 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 16:21:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 90 states and 113 transitions. [2019-12-01 16:21:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2019-12-01 16:21:09,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 16:21:09,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:09,780 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 16:21:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 116 transitions. [2019-12-01 16:21:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2019-12-01 16:21:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:21:10,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,194 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 16:21:10,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 91 states and 115 transitions. [2019-12-01 16:21:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2019-12-01 16:21:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:21:10,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,225 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 16:21:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 90 states and 114 transitions. [2019-12-01 16:21:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2019-12-01 16:21:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:21:10,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,331 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 16:21:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 97 transitions. [2019-12-01 16:21:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2019-12-01 16:21:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 16:21:10,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,418 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 16:21:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2019-12-01 16:21:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2019-12-01 16:21:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:21:10,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,486 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 16:21:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2019-12-01 16:21:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2019-12-01 16:21:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 16:21:10,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,526 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 16:21:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 80 states and 99 transitions. [2019-12-01 16:21:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2019-12-01 16:21:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:10,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2019-12-01 16:21:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2019-12-01 16:21:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,571 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 16:21:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 103 transitions. [2019-12-01 16:21:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 103 transitions. [2019-12-01 16:21:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,701 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 16:21:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2019-12-01 16:21:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2019-12-01 16:21:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,737 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 16:21:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 76 states and 96 transitions. [2019-12-01 16:21:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2019-12-01 16:21:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,755 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 16:21:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 78 states and 99 transitions. [2019-12-01 16:21:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2019-12-01 16:21:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 16:21:10,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,783 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 16:21:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 80 states and 103 transitions. [2019-12-01 16:21:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2019-12-01 16:21:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:21:10,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,895 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 16:21:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2019-12-01 16:21:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2019-12-01 16:21:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:21:10,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:10,925 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 16:21:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2019-12-01 16:21:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2019-12-01 16:21:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 16:21:10,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2019-12-01 16:21:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2019-12-01 16:21:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,145 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 16:21:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2019-12-01 16:21:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2019-12-01 16:21:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,221 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 16:21:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2019-12-01 16:21:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2019-12-01 16:21:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2019-12-01 16:21:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2019-12-01 16:21:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,308 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 16:21:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 87 states and 116 transitions. [2019-12-01 16:21:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2019-12-01 16:21:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,325 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 16:21:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 86 states and 115 transitions. [2019-12-01 16:21:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2019-12-01 16:21:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 16:21:13,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,355 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 16:21:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2019-12-01 16:21:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2019-12-01 16:21:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 16:21:13,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:14,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2019-12-01 16:21:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2019-12-01 16:21:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 16:21:14,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 99 states and 140 transitions. [2019-12-01 16:21:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2019-12-01 16:21:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 16:21:15,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 105 states and 150 transitions. [2019-12-01 16:21:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2019-12-01 16:21:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 16:21:18,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 114 states and 165 transitions. [2019-12-01 16:21:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2019-12-01 16:21:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 16:21:22,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:22,665 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 16:21:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 122 states and 181 transitions. [2019-12-01 16:21:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 181 transitions. [2019-12-01 16:21:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 16:21:25,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:25,385 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 16:21:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 125 states and 187 transitions. [2019-12-01 16:21:25,407 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2019-12-01 16:21:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 16:21:25,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:25,746 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 16:21:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 128 states and 194 transitions. [2019-12-01 16:21:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 194 transitions. [2019-12-01 16:21:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 16:21:26,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:27,039 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 16:21:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 139 states and 218 transitions. [2019-12-01 16:21:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 218 transitions. [2019-12-01 16:21:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:21:33,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:33,267 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 16:21:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 140 states and 219 transitions. [2019-12-01 16:21:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 219 transitions. [2019-12-01 16:21:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:21:33,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:33,398 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 16:21:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 142 states and 226 transitions. [2019-12-01 16:21:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2019-12-01 16:21:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:21:33,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:34,565 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 16:21:40,298 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-12-01 16:21:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2019-12-01 16:21:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2019-12-01 16:21:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:21:45,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:21:48,711 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-12-01 16:21:51,321 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-12-01 16:21:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 155 states and 255 transitions. [2019-12-01 16:21:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 255 transitions. [2019-12-01 16:21:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 16:21:54,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:21:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:21:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 158 states and 260 transitions. [2019-12-01 16:21:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2019-12-01 16:21:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:21:56,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:21:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:21:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 161 states and 268 transitions. [2019-12-01 16:22:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 268 transitions. [2019-12-01 16:22:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:03,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2019-12-01 16:22:06,916 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2019-12-01 16:22:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:06,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 166 states and 279 transitions. [2019-12-01 16:22:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 279 transitions. [2019-12-01 16:22:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:10,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 307 transitions. [2019-12-01 16:22:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2019-12-01 16:22:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:23,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:25,830 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 16:22:30,833 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-01 16:22:33,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 186 states and 335 transitions. [2019-12-01 16:22:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 335 transitions. [2019-12-01 16:22:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:33,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 194 states and 353 transitions. [2019-12-01 16:22:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 353 transitions. [2019-12-01 16:22:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:49,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:22:51,241 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2019-12-01 16:22:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:22:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 197 states and 356 transitions. [2019-12-01 16:22:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 356 transitions. [2019-12-01 16:22:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:22:56,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:22:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:22:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:23:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:23:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 203 states and 365 transitions. [2019-12-01 16:23:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 365 transitions. [2019-12-01 16:23:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 16:23:03,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:23:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:23:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:23:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:23:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 209 states and 374 transitions. [2019-12-01 16:23:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 374 transitions. [2019-12-01 16:23:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:23:11,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:23:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:23:12,866 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 16:23:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:23:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 218 states and 396 transitions. [2019-12-01 16:23:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 396 transitions. [2019-12-01 16:23:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:23:27,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:23:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:23:27,365 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 16:23:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:23:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 223 states and 408 transitions. [2019-12-01 16:23:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 408 transitions. [2019-12-01 16:23:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:23:31,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:23:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:23:31,493 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 16:23:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:23:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 225 states and 412 transitions. [2019-12-01 16:23:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 412 transitions. [2019-12-01 16:23:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:23:34,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:23:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:23:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:24:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 235 states and 431 transitions. [2019-12-01 16:24:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 431 transitions. [2019-12-01 16:24:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:24:03,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:24:09,244 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-12-01 16:24:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 240 states and 444 transitions. [2019-12-01 16:24:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 444 transitions. [2019-12-01 16:24:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 16:24:11,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:24:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 246 states and 452 transitions. [2019-12-01 16:24:19,169 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 452 transitions. [2019-12-01 16:24:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:19,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:19,178 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 16:24:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:25,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 252 states and 471 transitions. [2019-12-01 16:24:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 471 transitions. [2019-12-01 16:24:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:25,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:25,819 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 16:24:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 258 states and 489 transitions. [2019-12-01 16:24:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 489 transitions. [2019-12-01 16:24:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:31,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:31,766 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 16:24:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 259 states and 493 transitions. [2019-12-01 16:24:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 493 transitions. [2019-12-01 16:24:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:32,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:32,380 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 16:24:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 266 states and 505 transitions. [2019-12-01 16:24:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 505 transitions. [2019-12-01 16:24:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:40,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:40,821 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 16:24:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 270 states and 518 transitions. [2019-12-01 16:24:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 518 transitions. [2019-12-01 16:24:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:44,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:44,644 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 16:24:53,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 275 states and 537 transitions. [2019-12-01 16:24:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 537 transitions. [2019-12-01 16:24:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:53,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:53,124 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 16:24:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 276 states and 541 transitions. [2019-12-01 16:24:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 541 transitions. [2019-12-01 16:24:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:53,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:24:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 277 states and 545 transitions. [2019-12-01 16:24:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 545 transitions. [2019-12-01 16:24:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:55,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:55,085 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 16:24:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 279 states and 551 transitions. [2019-12-01 16:24:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 551 transitions. [2019-12-01 16:24:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:57,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:57,137 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 16:24:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 280 states and 554 transitions. [2019-12-01 16:24:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 554 transitions. [2019-12-01 16:24:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:58,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:58,914 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 16:24:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:24:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 281 states and 554 transitions. [2019-12-01 16:24:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 554 transitions. [2019-12-01 16:24:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:24:59,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:24:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:24:59,957 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 16:25:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 283 states and 559 transitions. [2019-12-01 16:25:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 559 transitions. [2019-12-01 16:25:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:01,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:01,779 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 16:25:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 284 states and 561 transitions. [2019-12-01 16:25:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 561 transitions. [2019-12-01 16:25:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:03,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:03,139 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 16:25:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 285 states and 564 transitions. [2019-12-01 16:25:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 564 transitions. [2019-12-01 16:25:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:04,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:04,279 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 16:25:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 288 states and 570 transitions. [2019-12-01 16:25:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 570 transitions. [2019-12-01 16:25:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:10,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:25:23,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 295 states and 585 transitions. [2019-12-01 16:25:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 585 transitions. [2019-12-01 16:25:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:23,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:25:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:25:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 302 states and 603 transitions. [2019-12-01 16:25:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 603 transitions. [2019-12-01 16:25:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:25:40,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:25:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:25:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:26:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 310 states and 620 transitions. [2019-12-01 16:26:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 620 transitions. [2019-12-01 16:26:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:26:00,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 16:26:03,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 302 states and 605 transitions. [2019-12-01 16:26:03,724 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 605 transitions. [2019-12-01 16:26:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:26:03,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:26:06,027 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-12-01 16:26:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 304 states and 608 transitions. [2019-12-01 16:26:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 608 transitions. [2019-12-01 16:26:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 16:26:08,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:26:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 296 states and 590 transitions. [2019-12-01 16:26:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 590 transitions. [2019-12-01 16:26:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:26:13,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:26:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 297 states and 591 transitions. [2019-12-01 16:26:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 591 transitions. [2019-12-01 16:26:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:26:15,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:26:43,053 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2019-12-01 16:26:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:45,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 307 states and 610 transitions. [2019-12-01 16:26:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 610 transitions. [2019-12-01 16:26:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 16:26:45,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:45,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:26:50,165 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2019-12-01 16:26:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:26:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 309 states and 615 transitions. [2019-12-01 16:26:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 615 transitions. [2019-12-01 16:26:52,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:26:52,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:26:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:26:54,341 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 16:27:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:27:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 328 states and 657 transitions. [2019-12-01 16:27:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 657 transitions. [2019-12-01 16:27:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:27:34,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:27:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:27:34,035 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 16:27:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:27:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 330 states and 661 transitions. [2019-12-01 16:27:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 661 transitions. [2019-12-01 16:27:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:27:36,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:27:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:27:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:28:02,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 338 states and 680 transitions. [2019-12-01 16:28:02,042 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 680 transitions. [2019-12-01 16:28:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:02,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:28:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 339 states and 685 transitions. [2019-12-01 16:28:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 685 transitions. [2019-12-01 16:28:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:03,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 16:28:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 340 states and 690 transitions. [2019-12-01 16:28:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 690 transitions. [2019-12-01 16:28:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:05,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:28:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 350 states and 715 transitions. [2019-12-01 16:28:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 715 transitions. [2019-12-01 16:28:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:37,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:28:41,909 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 16:28:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 353 states and 722 transitions. [2019-12-01 16:28:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 722 transitions. [2019-12-01 16:28:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:44,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:28:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:28:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 355 states and 727 transitions. [2019-12-01 16:28:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 727 transitions. [2019-12-01 16:28:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 16:28:46,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:28:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:28:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 16:29:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:29:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 363 states and 742 transitions. [2019-12-01 16:29:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 742 transitions. [2019-12-01 16:29:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 16:29:00,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:29:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:29:00,516 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 16:29:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:29:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 366 states and 749 transitions. [2019-12-01 16:29:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 749 transitions. [2019-12-01 16:29:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 16:29:08,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:29:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:29:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:29:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:29:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 377 states and 770 transitions. [2019-12-01 16:29:52,629 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 770 transitions. [2019-12-01 16:29:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:29:52,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:29:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:29:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:29:53,559 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-12-01 16:30:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 381 states and 775 transitions. [2019-12-01 16:30:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 775 transitions. [2019-12-01 16:30:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:30:08,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:19,721 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-12-01 16:30:21,114 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-12-01 16:30:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 385 states and 788 transitions. [2019-12-01 16:30:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 788 transitions. [2019-12-01 16:30:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 16:30:34,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:30:34,983 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-12-01 16:30:40,859 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-12-01 16:30:43,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:30:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 387 states and 789 transitions. [2019-12-01 16:30:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 789 transitions. [2019-12-01 16:30:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:30:43,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:30:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:30:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:31:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:31:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 394 states and 807 transitions. [2019-12-01 16:31:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 807 transitions. [2019-12-01 16:31:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:31:08,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:31:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 16:31:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 16:31:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:31:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 395 states and 810 transitions. [2019-12-01 16:31:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 810 transitions. [2019-12-01 16:31:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 16:31:08,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:31:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:31:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:31:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:31:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 16:31:08,512 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 104 iterations. [2019-12-01 16:31:08,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:31:08 ImpRootNode [2019-12-01 16:31:08,546 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 16:31:08,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 16:31:08,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 16:31:08,546 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 16:31:08,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:21:08" (3/4) ... [2019-12-01 16:31:08,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-01 16:31:08,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 16:31:08,550 INFO L168 Benchmark]: Toolchain (without parser) took 601029.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 939.3 MB in the beginning and 866.3 MB in the end (delta: 73.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:08,550 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:31:08,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:08,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.58 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. [2019-12-01 16:31:08,551 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:08,551 INFO L168 Benchmark]: RCFGBuilder took 372.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:08,552 INFO L168 Benchmark]: CodeCheck took 600295.29 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 866.3 MB in the end (delta: 162.4 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:08,552 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 866.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:31:08,554 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 1 procedures, 84 locations, 45 error locations. Result: UNSAFE, OverallTime: 600.2s, OverallIterations: 104, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 973771896 SDslu, 258853984 SDs, 0 SdLazy, -2004731570 SolverSat, -150784454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 186.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16122 GetRequests, 14255 SyntacticMatches, 507 SemanticMatches, 1360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966613 ImplicationChecksByTransitivity, 591.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 46.1s InterpolantComputationTime, 1672 NumberOfCodeBlocks, 1672 NumberOfCodeBlocksAsserted, 104 NumberOfCheckSat, 1544 ConstructedInterpolants, 0 QuantifiedInterpolants, 192726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 77 PerfectInterpolantSequences, 40/129 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 - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L988] SLL* head = malloc(sizeof(SLL)); [L989] head->next = ((void*)0) [L990] head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] x->next [L1015] COND FALSE !(x->next) [L1022] EXPR x->next [L1022] SLL* y = x->next; [L1023] x->next = malloc(sizeof(SLL)) [L1024] x->data = 1 [L1025] x->next = y [L1029] x = head [L1032] EXPR x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR x->next [L1051] x = x->next [L1052] free(head) [L1052] free(head) [L1052] free(head) [L1048] COND FALSE !(x != ((void*)0)) [L1055] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.58 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. * Boogie Preprocessor took 20.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 372.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * CodeCheck took 600295.29 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 866.3 MB in the end (delta: 162.4 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 866.3 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-01 16:31:09,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 16:31:09,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 16:31:09,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 16:31:09,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 16:31:09,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 16:31:09,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 16:31:09,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 16:31:09,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 16:31:09,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 16:31:09,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 16:31:09,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 16:31:09,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 16:31:09,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 16:31:09,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 16:31:09,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 16:31:09,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 16:31:09,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 16:31:09,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 16:31:09,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 16:31:09,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 16:31:09,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 16:31:09,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 16:31:09,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 16:31:09,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 16:31:09,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 16:31:09,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 16:31:09,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 16:31:09,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 16:31:09,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 16:31:09,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 16:31:09,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 16:31:09,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 16:31:09,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 16:31:09,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 16:31:09,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 16:31:09,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 16:31:09,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 16:31:09,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 16:31:09,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 16:31:09,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 16:31:09,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-12-01 16:31:09,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 16:31:09,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 16:31:09,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 16:31:09,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 16:31:09,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 16:31:09,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 16:31:09,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 16:31:09,942 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 16:31:09,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 16:31:09,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 16:31:09,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-01 16:31:09,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-01 16:31:09,944 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c91ee133-e184-4739-b002-7813c2785fc9/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 5a3a274b64e7ba6d81948d0b8c45cbd715251888 [2019-12-01 16:31:10,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 16:31:10,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 16:31:10,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 16:31:10,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 16:31:10,130 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 16:31:10,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/../../sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-12-01 16:31:10,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/833df644f/7a9bf22a3d7440f1be75dd70a9acb5f6/FLAG746b3df7b [2019-12-01 16:31:10,552 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 16:31:10,552 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/sv-benchmarks/c/forester-heap/sll-simple-white-blue-1.i [2019-12-01 16:31:10,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/833df644f/7a9bf22a3d7440f1be75dd70a9acb5f6/FLAG746b3df7b [2019-12-01 16:31:10,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/bin/ukojak/data/833df644f/7a9bf22a3d7440f1be75dd70a9acb5f6 [2019-12-01 16:31:10,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 16:31:10,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 16:31:10,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 16:31:10,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 16:31:10,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 16:31:10,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7f73ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10, skipping insertion in model container [2019-12-01 16:31:10,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 16:31:10,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 16:31:10,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:31:10,823 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 16:31:10,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 16:31:10,887 INFO L208 MainTranslator]: Completed translation [2019-12-01 16:31:10,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10 WrapperNode [2019-12-01 16:31:10,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 16:31:10,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 16:31:10,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 16:31:10,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 16:31:10,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 16:31:10,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 16:31:10,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 16:31:10,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 16:31:10,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... [2019-12-01 16:31:10,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 16:31:10,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 16:31:10,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 16:31:10,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 16:31:10,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c91ee133-e184-4739-b002-7813c2785fc9/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 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-01 16:31:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 16:31:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 16:31:11,481 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 16:31:11,482 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 16:31:11,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:11 BoogieIcfgContainer [2019-12-01 16:31:11,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 16:31:11,483 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 16:31:11,483 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 16:31:11,490 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 16:31:11,490 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:11" (1/1) ... [2019-12-01 16:31:11,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 16:31:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 16:31:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2019-12-01 16:31:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-12-01 16:31:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 16:31:11,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 16:31:11,558 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-01 16:31:11,560 INFO L168 Benchmark]: Toolchain (without parser) took 987.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -88.9 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:11,561 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 16:31:11,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:11,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.85 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:11,562 INFO L168 Benchmark]: Boogie Preprocessor took 23.64 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 16:31:11,562 INFO L168 Benchmark]: RCFGBuilder took 529.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:11,563 INFO L168 Benchmark]: CodeCheck took 76.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-12-01 16:31:11,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.85 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.64 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 529.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * CodeCheck took 76.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...