./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_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_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/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 760c75961baa7cc196b373809e9a87dd0bcf8eb7 .......................................................................................................................................................................................................................... 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 [2018-12-08 11:23:06,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:23:06,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:23:06,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:23:06,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:23:06,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:23:06,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:23:06,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:23:07,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:23:07,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:23:07,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:23:07,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:23:07,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:23:07,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:23:07,003 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:23:07,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:23:07,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:23:07,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:23:07,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:23:07,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:23:07,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:23:07,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:23:07,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:23:07,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:23:07,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:23:07,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:23:07,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:23:07,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:23:07,010 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:23:07,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:23:07,011 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:23:07,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:23:07,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:23:07,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:23:07,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:23:07,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:23:07,013 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 11:23:07,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:23:07,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:23:07,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:23:07,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 11:23:07,021 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:23:07,022 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:23:07,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:23:07,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:23:07,022 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:23:07,023 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 11:23:07,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:23:07,023 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_9b6a4611-9b38-4e5e-ba11-581878315289/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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2018-12-08 11:23:07,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:23:07,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:23:07,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:23:07,054 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:23:07,054 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:23:07,055 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i [2018-12-08 11:23:07,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/106da401f/22ace26f164c48df83faaad865f80077/FLAG874af7908 [2018-12-08 11:23:07,568 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:23:07,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i [2018-12-08 11:23:07,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/106da401f/22ace26f164c48df83faaad865f80077/FLAG874af7908 [2018-12-08 11:23:07,583 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/106da401f/22ace26f164c48df83faaad865f80077 [2018-12-08 11:23:07,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:23:07,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:23:07,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:23:07,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:23:07,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:23:07,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c140d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07, skipping insertion in model container [2018-12-08 11:23:07,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:23:07,621 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:23:07,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:23:07,775 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:23:07,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:23:07,857 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:23:07,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07 WrapperNode [2018-12-08 11:23:07,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:23:07,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:23:07,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:23:07,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:23:07,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:23:07,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:23:07,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:23:07,885 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:23:07,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... [2018-12-08 11:23:07,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:23:07,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:23:07,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:23:07,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:23:07,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:23:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/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 [2018-12-08 11:23:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:23:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 11:23:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 11:23:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:23:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:23:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:23:08,191 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:23:08,191 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-08 11:23:08,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:23:08 BoogieIcfgContainer [2018-12-08 11:23:08,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:23:08,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:23:08,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:23:08,200 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:23:08,200 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:23:08" (1/1) ... [2018-12-08 11:23:08,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:23:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2018-12-08 11:23:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2018-12-08 11:23:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 11:23:08,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 94 states and 101 transitions. [2018-12-08 11:23:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2018-12-08 11:23:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 11:23:08,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 93 states and 100 transitions. [2018-12-08 11:23:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2018-12-08 11:23:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 11:23:08,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 92 states and 99 transitions. [2018-12-08 11:23:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2018-12-08 11:23:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 11:23:08,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 91 states and 98 transitions. [2018-12-08 11:23:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2018-12-08 11:23:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 11:23:08,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 92 states and 100 transitions. [2018-12-08 11:23:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-12-08 11:23:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 11:23:08,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2018-12-08 11:23:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2018-12-08 11:23:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 11:23:08,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2018-12-08 11:23:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2018-12-08 11:23:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 11:23:08,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2018-12-08 11:23:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2018-12-08 11:23:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 11:23:09,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:09,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2018-12-08 11:23:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2018-12-08 11:23:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 11:23:09,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2018-12-08 11:23:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2018-12-08 11:23:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 11:23:09,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 108 states and 141 transitions. [2018-12-08 11:23:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 141 transitions. [2018-12-08 11:23:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 11:23:10,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 108 states and 140 transitions. [2018-12-08 11:23:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2018-12-08 11:23:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 11:23:10,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2018-12-08 11:23:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2018-12-08 11:23:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 11:23:10,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 109 states and 142 transitions. [2018-12-08 11:23:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions. [2018-12-08 11:23:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 11:23:10,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 110 states and 144 transitions. [2018-12-08 11:23:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 144 transitions. [2018-12-08 11:23:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 11:23:10,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 95 states and 107 transitions. [2018-12-08 11:23:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2018-12-08 11:23:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 11:23:11,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 11:23:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 105 states and 123 transitions. [2018-12-08 11:23:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2018-12-08 11:23:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 11:23:12,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 11:23:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 106 states and 125 transitions. [2018-12-08 11:23:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2018-12-08 11:23:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 11:23:12,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:13,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 107 states and 127 transitions. [2018-12-08 11:23:13,330 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2018-12-08 11:23:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 11:23:13,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 11:23:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 106 states and 126 transitions. [2018-12-08 11:23:13,468 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2018-12-08 11:23:13,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 11:23:13,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 107 states and 127 transitions. [2018-12-08 11:23:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2018-12-08 11:23:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 11:23:13,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 11:23:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 106 states and 126 transitions. [2018-12-08 11:23:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2018-12-08 11:23:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 11:23:13,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2018-12-08 11:23:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2018-12-08 11:23:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 11:23:14,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2018-12-08 11:23:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2018-12-08 11:23:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 11:23:15,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2018-12-08 11:23:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2018-12-08 11:23:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:23:15,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 11:23:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2018-12-08 11:23:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2018-12-08 11:23:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:23:15,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2018-12-08 11:23:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2018-12-08 11:23:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 11:23:20,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 80 states and 87 transitions. [2018-12-08 11:23:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2018-12-08 11:23:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 11:23:26,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:32,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:32,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2018-12-08 11:23:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2018-12-08 11:23:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 11:23:32,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2018-12-08 11:23:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2018-12-08 11:23:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:23:43,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:23:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2018-12-08 11:23:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2018-12-08 11:23:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 11:23:43,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:44,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2018-12-08 11:23:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2018-12-08 11:23:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:23:44,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:23:48,718 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-08 11:23:51,834 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-12-08 11:23:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:23:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2018-12-08 11:23:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-12-08 11:23:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:23:58,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:23:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:23:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2018-12-08 11:24:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2018-12-08 11:24:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:24:06,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:24:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-12-08 11:24:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-12-08 11:24:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:24:08,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:24:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2018-12-08 11:24:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-12-08 11:24:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:24:08,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:24:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-12-08 11:24:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-12-08 11:24:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 11:24:09,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:24:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:12,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2018-12-08 11:24:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2018-12-08 11:24:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:12,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2018-12-08 11:24:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2018-12-08 11:24:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:13,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:24:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2018-12-08 11:24:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-12-08 11:24:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:13,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2018-12-08 11:24:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-12-08 11:24:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:16,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2018-12-08 11:24:17,137 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2018-12-08 11:24:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:17,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:22,596 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2018-12-08 11:24:26,597 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-12-08 11:24:29,022 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-08 11:24:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2018-12-08 11:24:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-12-08 11:24:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 11:24:38,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:24:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:24:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2018-12-08 11:24:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2018-12-08 11:24:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 11:24:50,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:24:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:24:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:25:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2018-12-08 11:25:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2018-12-08 11:25:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 11:25:04,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:25:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:25:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2018-12-08 11:25:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2018-12-08 11:25:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 11:25:14,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:25:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:25:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2018-12-08 11:25:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2018-12-08 11:25:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 11:25:19,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:25:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:25:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2018-12-08 11:25:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2018-12-08 11:25:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 11:25:19,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:25:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 11:25:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2018-12-08 11:25:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2018-12-08 11:25:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 11:25:19,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:25:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:25:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-12-08 11:25:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-12-08 11:25:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 11:25:24,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:25:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:25:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:25:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 11:25:24,751 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2018-12-08 11:25:24,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:25:24 ImpRootNode [2018-12-08 11:25:24,776 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 11:25:24,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:25:24,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:25:24,777 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:25:24,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:23:08" (3/4) ... [2018-12-08 11:25:24,779 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 11:25:24,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:25:24,780 INFO L168 Benchmark]: Toolchain (without parser) took 137193.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.7 MB in the beginning and 679.9 MB in the end (delta: 271.8 MB). Peak memory consumption was 408.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:24,780 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:25:24,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:24,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:25:24,781 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:25:24,781 INFO L168 Benchmark]: RCFGBuilder took 288.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:24,781 INFO L168 Benchmark]: CodeCheck took 136584.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 679.9 MB in the end (delta: 339.1 MB). Peak memory consumption was 396.8 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:24,782 INFO L168 Benchmark]: Witness Printer took 3.03 ms. Allocated memory is still 1.2 GB. Free memory is still 679.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:25:24,783 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, 103 locations, 45 error locations. UNSAFE Result, 136.5s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458571776 SDtfs, -919236700 SDslu, 708542856 SDs, 0 SdLazy, 169565574 SolverSat, 1659307450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7497 GetRequests, 6379 SyntacticMatches, 442 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295483 ImplicationChecksByTransitivity, 133.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 29.1s InterpolantComputationTime, 884 NumberOfCodeBlocks, 884 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 808 ConstructedInterpolants, 0 QuantifiedInterpolants, 113549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 28 PerfectInterpolantSequences, 133/237 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: 616]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 616. Possible FailurePath: [L617] const int len = 3; [L564] DLL last = (DLL) malloc(sizeof(struct node)); [L565] COND FALSE !(((void *)0) == last) [L568] last->next = last [L569] last->prev = last [L570] DLL head = last; [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) [L576] new_head->next = head [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND TRUE len > 1 [L572] DLL new_head = (DLL) malloc(sizeof(struct node)); [L573] COND FALSE !(((void *)0) == new_head) [L576] new_head->next = head [L577] head->prev = new_head [L578] head = new_head [L579] len-- [L571] COND FALSE !(len > 1) [L581] last->next = head [L582] head->prev = last [L583] return head; [L618] DLL head = dll_circular_create(len); [L586] EXPR head->prev [L586] DLL pred = head->prev; [L587] EXPR head->next [L587] DLL succ = head->next; [L588] COND FALSE !(__VERIFIER_nondet_int()) [L597] COND FALSE !(__VERIFIER_nondet_int()) [L607] free(pred) [L607] free(pred) [L608] COND FALSE !(__VERIFIER_nondet_int()) [L612] free(head) [L612] free(head) [L620] head = ((void *)0) [L621] 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * CodeCheck took 136584.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 679.9 MB in the end (delta: 339.1 MB). Peak memory consumption was 396.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.03 ms. Allocated memory is still 1.2 GB. Free memory is still 679.9 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 [2018-12-08 11:25:25,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:25:25,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:25:26,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:25:26,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:25:26,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:25:26,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:25:26,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:25:26,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:25:26,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:25:26,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:25:26,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:25:26,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:25:26,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:25:26,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:25:26,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:25:26,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:25:26,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:25:26,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:25:26,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:25:26,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:25:26,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:25:26,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:25:26,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:25:26,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:25:26,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:25:26,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:25:26,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:25:26,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:25:26,023 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:25:26,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:25:26,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:25:26,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:25:26,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:25:26,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:25:26,025 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:25:26,025 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-12-08 11:25:26,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:25:26,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:25:26,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:25:26,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:25:26,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 11:25:26,037 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 11:25:26,038 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:25:26,038 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:25:26,038 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 11:25:26,038 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 11:25:26,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:25:26,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:25:26,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 11:25:26,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:25:26,039 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:25:26,039 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 11:25:26,039 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 11:25:26,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:25:26,039 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 11:25:26,039 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_9b6a4611-9b38-4e5e-ba11-581878315289/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 -> 760c75961baa7cc196b373809e9a87dd0bcf8eb7 [2018-12-08 11:25:26,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:25:26,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:25:26,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:25:26,076 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:25:26,076 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:25:26,077 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i [2018-12-08 11:25:26,123 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/f1bd1f1e7/e9432a62ea3f41a3a04bbb4744e0859e/FLAG79d3dd73c [2018-12-08 11:25:26,550 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:25:26,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order_false-valid-memtrack.i [2018-12-08 11:25:26,557 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/f1bd1f1e7/e9432a62ea3f41a3a04bbb4744e0859e/FLAG79d3dd73c [2018-12-08 11:25:26,564 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/bin-2019/ukojak/data/f1bd1f1e7/e9432a62ea3f41a3a04bbb4744e0859e [2018-12-08 11:25:26,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:25:26,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:25:26,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:25:26,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:25:26,571 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:25:26,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15605f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26, skipping insertion in model container [2018-12-08 11:25:26,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:25:26,602 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:25:26,783 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:25:26,788 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:25:26,853 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:25:26,884 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:25:26,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26 WrapperNode [2018-12-08 11:25:26,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:25:26,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:25:26,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:25:26,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:25:26,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:25:26,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:25:26,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:25:26,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:25:26,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... [2018-12-08 11:25:26,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:25:26,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:25:26,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:25:26,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:25:26,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:25:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b6a4611-9b38-4e5e-ba11-581878315289/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 [2018-12-08 11:25:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:25:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 11:25:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 11:25:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 11:25:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:25:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:25:27,324 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:25:27,324 INFO L280 CfgBuilder]: Removed 13 assue(true) statements. [2018-12-08 11:25:27,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:25:27 BoogieIcfgContainer [2018-12-08 11:25:27,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:25:27,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 11:25:27,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 11:25:27,331 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 11:25:27,331 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:25:27" (1/1) ... [2018-12-08 11:25:27,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:25:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 11:25:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 95 states and 102 transitions. [2018-12-08 11:25:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2018-12-08 11:25:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 11:25:27,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 11:25:27,388 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) [2018-12-08 11:25:27,390 INFO L168 Benchmark]: Toolchain (without parser) took 823.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:27,391 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-08 11:25:27,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:27,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.72 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. [2018-12-08 11:25:27,392 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 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. [2018-12-08 11:25:27,393 INFO L168 Benchmark]: RCFGBuilder took 392.77 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:25:27,393 INFO L168 Benchmark]: CodeCheck took 65.55 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. [2018-12-08 11:25:27,395 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 0.15 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 315.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.72 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 18.81 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 392.77 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * CodeCheck took 65.55 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...