./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:20:14,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:20:14,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:20:14,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:20:14,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:20:14,654 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:20:14,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:20:14,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:20:14,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:20:14,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:20:14,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:20:14,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:20:14,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:20:14,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:20:14,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:20:14,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:20:14,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:20:14,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:20:14,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:20:14,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:20:14,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:20:14,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:20:14,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:20:14,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:20:14,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:20:14,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:20:14,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:20:14,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:20:14,668 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:20:14,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:20:14,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:20:14,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:20:14,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:20:14,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:20:14,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:20:14,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:20:14,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 19:20:14,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:20:14,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:20:14,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:20:14,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:20:14,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:20:14,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:20:14,679 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:20:14,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:20:14,681 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:20:14,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:20:14,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:20:14,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:20:14,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2018-12-01 19:20:14,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:20:14,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:20:14,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:20:14,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:20:14,711 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:20:14,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-12-01 19:20:14,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/6dce33fd1/8fdca976dedd45909bdc85787c0fb00c/FLAG474b81859 [2018-12-01 19:20:15,197 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:20:15,197 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-12-01 19:20:15,203 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/6dce33fd1/8fdca976dedd45909bdc85787c0fb00c/FLAG474b81859 [2018-12-01 19:20:15,211 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/6dce33fd1/8fdca976dedd45909bdc85787c0fb00c [2018-12-01 19:20:15,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:20:15,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:20:15,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:20:15,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:20:15,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:20:15,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190a4d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15, skipping insertion in model container [2018-12-01 19:20:15,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:20:15,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:20:15,409 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:20:15,447 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:20:15,471 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:20:15,491 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:20:15,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15 WrapperNode [2018-12-01 19:20:15,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:20:15,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:20:15,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:20:15,492 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:20:15,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:20:15,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:20:15,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:20:15,520 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:20:15,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:15,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:20:15,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:20:15,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:20:15,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:20:15,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:20:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:20:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:20:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:20:15,990 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:20:15,990 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-12-01 19:20:15,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:20:15 BoogieIcfgContainer [2018-12-01 19:20:15,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:20:15,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:20:15,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:20:15,997 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:20:15,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:20:15" (1/1) ... [2018-12-01 19:20:16,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:20:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 124 states and 144 transitions. [2018-12-01 19:20:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-01 19:20:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 19:20:16,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 123 states and 143 transitions. [2018-12-01 19:20:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-01 19:20:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 19:20:16,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2018-12-01 19:20:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2018-12-01 19:20:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 19:20:16,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 121 states and 141 transitions. [2018-12-01 19:20:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-12-01 19:20:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 19:20:16,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2018-12-01 19:20:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-01 19:20:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 19:20:16,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 119 states and 139 transitions. [2018-12-01 19:20:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-01 19:20:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 19:20:16,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 118 states and 138 transitions. [2018-12-01 19:20:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2018-12-01 19:20:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:20:16,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 117 states and 137 transitions. [2018-12-01 19:20:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2018-12-01 19:20:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 19:20:16,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 116 states and 136 transitions. [2018-12-01 19:20:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2018-12-01 19:20:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:20:16,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 115 states and 135 transitions. [2018-12-01 19:20:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-12-01 19:20:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 19:20:16,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 114 states and 134 transitions. [2018-12-01 19:20:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2018-12-01 19:20:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 19:20:16,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2018-12-01 19:20:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2018-12-01 19:20:16,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 19:20:16,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 112 states and 132 transitions. [2018-12-01 19:20:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2018-12-01 19:20:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 19:20:16,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 115 states and 136 transitions. [2018-12-01 19:20:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2018-12-01 19:20:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 19:20:16,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 118 states and 142 transitions. [2018-12-01 19:20:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2018-12-01 19:20:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 19:20:16,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 117 states and 141 transitions. [2018-12-01 19:20:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2018-12-01 19:20:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 19:20:16,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 116 states and 140 transitions. [2018-12-01 19:20:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2018-12-01 19:20:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 19:20:17,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 118 states and 143 transitions. [2018-12-01 19:20:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2018-12-01 19:20:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 19:20:17,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 120 states and 146 transitions. [2018-12-01 19:20:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 146 transitions. [2018-12-01 19:20:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 19:20:17,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 120 states and 142 transitions. [2018-12-01 19:20:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 142 transitions. [2018-12-01 19:20:17,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:20:17,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 121 states and 144 transitions. [2018-12-01 19:20:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 144 transitions. [2018-12-01 19:20:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:20:18,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 122 states and 145 transitions. [2018-12-01 19:20:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2018-12-01 19:20:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:20:18,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 128 states and 155 transitions. [2018-12-01 19:20:18,383 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 155 transitions. [2018-12-01 19:20:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 19:20:18,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 134 states and 165 transitions. [2018-12-01 19:20:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2018-12-01 19:20:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:20:18,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 139 states and 173 transitions. [2018-12-01 19:20:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 173 transitions. [2018-12-01 19:20:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:20:20,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 141 states and 177 transitions. [2018-12-01 19:20:21,271 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2018-12-01 19:20:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 140 states and 176 transitions. [2018-12-01 19:20:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 176 transitions. [2018-12-01 19:20:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 142 states and 179 transitions. [2018-12-01 19:20:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2018-12-01 19:20:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 141 states and 178 transitions. [2018-12-01 19:20:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 178 transitions. [2018-12-01 19:20:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 142 states and 179 transitions. [2018-12-01 19:20:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2018-12-01 19:20:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 144 states and 183 transitions. [2018-12-01 19:20:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2018-12-01 19:20:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 19:20:21,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 146 states and 186 transitions. [2018-12-01 19:20:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 186 transitions. [2018-12-01 19:20:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:20:21,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 145 states and 183 transitions. [2018-12-01 19:20:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 183 transitions. [2018-12-01 19:20:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:20:21,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:22,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 144 states and 182 transitions. [2018-12-01 19:20:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 182 transitions. [2018-12-01 19:20:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:20:22,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:22,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 143 states and 181 transitions. [2018-12-01 19:20:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2018-12-01 19:20:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:20:22,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 144 states and 182 transitions. [2018-12-01 19:20:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 182 transitions. [2018-12-01 19:20:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 19:20:22,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 152 states and 197 transitions. [2018-12-01 19:20:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2018-12-01 19:20:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:20:24,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 151 states and 196 transitions. [2018-12-01 19:20:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 196 transitions. [2018-12-01 19:20:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:20:24,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 150 states and 195 transitions. [2018-12-01 19:20:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 195 transitions. [2018-12-01 19:20:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:20:24,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 151 states and 196 transitions. [2018-12-01 19:20:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 196 transitions. [2018-12-01 19:20:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:20:24,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 156 states and 210 transitions. [2018-12-01 19:20:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 210 transitions. [2018-12-01 19:20:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 19:20:25,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 159 states and 216 transitions. [2018-12-01 19:20:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 216 transitions. [2018-12-01 19:20:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 19:20:26,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 158 states and 213 transitions. [2018-12-01 19:20:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2018-12-01 19:20:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 19:20:26,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 161 states and 217 transitions. [2018-12-01 19:20:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2018-12-01 19:20:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 19:20:26,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 163 states and 220 transitions. [2018-12-01 19:20:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2018-12-01 19:20:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 19:20:27,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 165 states and 223 transitions. [2018-12-01 19:20:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 223 transitions. [2018-12-01 19:20:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 19:20:28,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 225 transitions. [2018-12-01 19:20:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2018-12-01 19:20:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 19:20:28,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 167 states and 226 transitions. [2018-12-01 19:20:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2018-12-01 19:20:28,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 19:20:28,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 179 states and 251 transitions. [2018-12-01 19:20:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 251 transitions. [2018-12-01 19:20:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 19:20:35,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 180 states and 252 transitions. [2018-12-01 19:20:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 252 transitions. [2018-12-01 19:20:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:36,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 184 states and 259 transitions. [2018-12-01 19:20:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 259 transitions. [2018-12-01 19:20:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:38,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 186 states and 263 transitions. [2018-12-01 19:20:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 263 transitions. [2018-12-01 19:20:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:41,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2018-12-01 19:20:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2018-12-01 19:20:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:44,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 206 states and 320 transitions. [2018-12-01 19:20:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 320 transitions. [2018-12-01 19:20:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:49,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 321 transitions. [2018-12-01 19:20:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2018-12-01 19:20:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:49,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:49,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:54,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 216 states and 351 transitions. [2018-12-01 19:20:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 351 transitions. [2018-12-01 19:20:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:54,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 217 states and 352 transitions. [2018-12-01 19:20:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 352 transitions. [2018-12-01 19:20:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:55,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 218 states and 353 transitions. [2018-12-01 19:20:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 353 transitions. [2018-12-01 19:20:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:56,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 219 states and 359 transitions. [2018-12-01 19:20:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 359 transitions. [2018-12-01 19:20:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:20:56,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-12-01 19:20:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-12-01 19:20:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 19:20:57,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 219 states and 359 transitions. [2018-12-01 19:20:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 359 transitions. [2018-12-01 19:20:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 19:20:57,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 220 states and 360 transitions. [2018-12-01 19:20:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2018-12-01 19:20:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 19:20:57,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:20:58,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 221 states and 362 transitions. [2018-12-01 19:20:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 362 transitions. [2018-12-01 19:20:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:20:58,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2018-12-01 19:20:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2018-12-01 19:20:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:20:58,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 222 states and 364 transitions. [2018-12-01 19:20:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 364 transitions. [2018-12-01 19:20:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:20:59,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 221 states and 363 transitions. [2018-12-01 19:20:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 363 transitions. [2018-12-01 19:20:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:20:59,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:20:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:20:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 363 transitions. [2018-12-01 19:20:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 363 transitions. [2018-12-01 19:20:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 19:20:59,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:20:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:20:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:21:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 225 states and 366 transitions. [2018-12-01 19:21:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 366 transitions. [2018-12-01 19:21:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 19:21:00,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:21:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 227 states and 367 transitions. [2018-12-01 19:21:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 367 transitions. [2018-12-01 19:21:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:21:00,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:21:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 219 states and 347 transitions. [2018-12-01 19:21:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 347 transitions. [2018-12-01 19:21:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:21:02,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:21:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 218 states and 346 transitions. [2018-12-01 19:21:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 346 transitions. [2018-12-01 19:21:02,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 19:21:02,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:21:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 217 states and 345 transitions. [2018-12-01 19:21:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 345 transitions. [2018-12-01 19:21:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:21:02,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:21:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 230 states and 374 transitions. [2018-12-01 19:21:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 374 transitions. [2018-12-01 19:21:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:21:16,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:21:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 231 states and 375 transitions. [2018-12-01 19:21:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 375 transitions. [2018-12-01 19:21:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:21:17,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:21:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 232 states and 376 transitions. [2018-12-01 19:21:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2018-12-01 19:21:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:21:17,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:21:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 229 states and 372 transitions. [2018-12-01 19:21:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 372 transitions. [2018-12-01 19:21:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:21:18,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:21:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 19:21:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 185 states and 314 transitions. [2018-12-01 19:21:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 314 transitions. [2018-12-01 19:21:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:21:18,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:21:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:21:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:21:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:21:19,079 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 77 iterations. [2018-12-01 19:21:19,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:21:19 ImpRootNode [2018-12-01 19:21:19,100 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:21:19,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:21:19,100 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:21:19,100 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:21:19,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:20:15" (3/4) ... [2018-12-01 19:21:19,102 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 19:21:19,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:21:19,103 INFO L168 Benchmark]: Toolchain (without parser) took 63889.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 418.9 MB). Free memory was 956.0 MB in the beginning and 903.3 MB in the end (delta: 52.7 MB). Peak memory consumption was 471.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:19,104 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:21:19,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:19,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.73 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. [2018-12-01 19:21:19,105 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:19,105 INFO L168 Benchmark]: RCFGBuilder took 450.91 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: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:19,105 INFO L168 Benchmark]: CodeCheck took 63108.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 277.3 MB). Free memory was 1.0 GB in the beginning and 903.3 MB in the end (delta: 146.4 MB). Peak memory consumption was 423.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:19,105 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.4 GB. Free memory is still 903.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:21:19,107 INFO L336 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, 144 locations, 67 error locations. UNSAFE Result, 63.0s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8471136 SDtfs, 19190960 SDslu, -2005238480 SDs, 0 SdLazy, 36914278 SolverSat, -657488378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9681 GetRequests, 8814 SyntacticMatches, 369 SemanticMatches, 498 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119727 ImplicationChecksByTransitivity, 60.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1289 NumberOfCodeBlocks, 1289 NumberOfCodeBlocksAsserted, 77 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 119758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 67 PerfectInterpolantSequences, 31/40 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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: [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); [L988] null->next = ((void*)0) [L989] null->prev = ((void*)0) [L990] null->colour = BLACK [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); [L993] list->next = null [L994] list->prev = null [L995] list->colour = BLACK [L997] struct TSLL* end = list; [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list [L1030] COND FALSE !(!(null != end)) [L1031] EXPR end->colour [L1031] COND FALSE !(!(BLACK == end->colour)) [L1032] COND TRUE null != end [L1034] EXPR end->colour [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR end->next [L1041] end = end->next [L1032] COND FALSE !(null != end) [L1045] COND TRUE null != list [L1047] EXPR list->colour [L1047] COND FALSE !(RED == list->colour) [L1056] EXPR list->next [L1056] end = list->next [L1057] free(list) [L1057] free(list) [L1058] list = end [L1045] COND FALSE !(null != list) [L1062] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.73 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. * Boogie Preprocessor took 19.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 450.91 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: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * CodeCheck took 63108.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 277.3 MB). Free memory was 1.0 GB in the beginning and 903.3 MB in the end (delta: 146.4 MB). Peak memory consumption was 423.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.4 GB. Free memory is still 903.3 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 0.1.23-635dfa2 [2018-12-01 19:21:20,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:21:20,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:21:20,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:21:20,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:21:20,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:21:20,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:21:20,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:21:20,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:21:20,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:21:20,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:21:20,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:21:20,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:21:20,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:21:20,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:21:20,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:21:20,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:21:20,423 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:21:20,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:21:20,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:21:20,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:21:20,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:21:20,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:21:20,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:21:20,429 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:21:20,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:21:20,430 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:21:20,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:21:20,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:21:20,432 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:21:20,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:21:20,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:21:20,433 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:21:20,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:21:20,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:21:20,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:21:20,434 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-01 19:21:20,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:21:20,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:21:20,446 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:21:20,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:21:20,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:21:20,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:21:20,446 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 19:21:20,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:21:20,448 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 19:21:20,448 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 19:21:20,448 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:21:20,448 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:21:20,448 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:21:20,448 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:21:20,449 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:21:20,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:21:20,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:21:20,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:21:20,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:21:20,449 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 19:21:20,450 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 19:21:20,450 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:21:20,450 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 19:21:20,450 INFO L133 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/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2018-12-01 19:21:20,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:21:20,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:21:20,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:21:20,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:21:20,484 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:21:20,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-12-01 19:21:20,520 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/63b78b014/db04673eb65048a090f29f4542d9cea0/FLAG478693c85 [2018-12-01 19:21:20,957 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:21:20,958 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-12-01 19:21:20,964 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/63b78b014/db04673eb65048a090f29f4542d9cea0/FLAG478693c85 [2018-12-01 19:21:20,972 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/ukojak/data/63b78b014/db04673eb65048a090f29f4542d9cea0 [2018-12-01 19:21:20,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:21:20,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:21:20,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:21:20,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:21:20,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:21:20,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:21:20" (1/1) ... [2018-12-01 19:21:20,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197102f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:20, skipping insertion in model container [2018-12-01 19:21:20,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:21:20" (1/1) ... [2018-12-01 19:21:20,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:21:21,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:21:21,157 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:21:21,165 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:21:21,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:21:21,251 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:21:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21 WrapperNode [2018-12-01 19:21:21,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:21:21,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:21:21,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:21:21,252 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:21:21,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:21:21,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:21:21,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:21:21,282 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:21:21,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:21:21,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:21:21,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:21:21,302 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:21:21,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:21:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2426cf8-0726-4d38-9cef-1d112c3c37c9/bin-2019/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 [2018-12-01 19:21:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 19:21:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:21:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:21:21,975 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:21:21,976 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-12-01 19:21:21,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:21:21 BoogieIcfgContainer [2018-12-01 19:21:21,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:21:21,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:21:21,977 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:21:21,983 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:21:21,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:21:21" (1/1) ... [2018-12-01 19:21:21,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:21:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:21:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2018-12-01 19:21:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2018-12-01 19:21:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 19:21:22,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:21:22,043 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: Indexed Sort BitVec undefined at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.getSort(SortSymbol.java:177) at de.uni_freiburg.informatik.ultimate.logic.Theory.getSort(Theory.java:1243) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:287) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.transferSort(TermTransferrer.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.convertApplicationTerm(TermTransferrer.java:162) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:320) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.SmtSymbols.transferSymbols(SmtSymbols.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:453) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-12-01 19:21:22,046 INFO L168 Benchmark]: Toolchain (without parser) took 1071.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -104.5 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:22,047 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:21:22,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:22,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.54 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. [2018-12-01 19:21:22,048 INFO L168 Benchmark]: Boogie Preprocessor took 19.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:22,049 INFO L168 Benchmark]: RCFGBuilder took 674.66 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:22,049 INFO L168 Benchmark]: CodeCheck took 68.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:21:22,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: Indexed Sort BitVec undefined: de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.54 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. * Boogie Preprocessor took 19.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 674.66 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * CodeCheck took 68.82 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...