./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0019-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2707018625c82fb11b0c17a966b82b37a0c8e83 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0019-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2707018625c82fb11b0c17a966b82b37a0c8e83 ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:28:09,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:28:09,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:28:09,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:28:09,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:28:09,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:28:09,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:28:09,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:28:09,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:28:09,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:28:09,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:28:09,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:28:09,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:28:09,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:28:09,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:28:09,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:28:09,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:28:09,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:28:09,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:28:09,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:28:09,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:28:09,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:28:09,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:28:09,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:28:09,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:28:09,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:28:09,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:28:09,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:28:09,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:28:09,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:28:09,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:28:09,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:28:09,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:28:09,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:28:09,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:28:09,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:28:09,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:28:09,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:28:09,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:28:09,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:28:09,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:28:09,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 23:28:09,517 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:28:09,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:28:09,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:28:09,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:28:09,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:28:09,520 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:28:09,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:28:09,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:28:09,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:28:09,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:28:09,522 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:28:09,522 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:28:09,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:28:09,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:28:09,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:28:09,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:28:09,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:28:09,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:28:09,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:28:09,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:28:09,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:28:09,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:28:09,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:28:09,525 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:28:09,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:28:09,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2707018625c82fb11b0c17a966b82b37a0c8e83 [2020-11-29 23:28:09,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:28:09,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:28:09,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:28:09,871 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:28:09,872 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:28:09,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/../../sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-29 23:28:09,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/0e6c224a9/1781da4f5f02451ea0d438860931065f/FLAGbd7092f04 [2020-11-29 23:28:10,559 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:28:10,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-29 23:28:10,576 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/0e6c224a9/1781da4f5f02451ea0d438860931065f/FLAGbd7092f04 [2020-11-29 23:28:10,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/0e6c224a9/1781da4f5f02451ea0d438860931065f [2020-11-29 23:28:10,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:28:10,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:28:10,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:28:10,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:28:10,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:28:10,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:28:10" (1/1) ... [2020-11-29 23:28:10,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3943873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:10, skipping insertion in model container [2020-11-29 23:28:10,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:28:10" (1/1) ... [2020-11-29 23:28:10,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:28:10,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:28:11,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:28:11,220 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:28:11,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:28:11,310 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:28:11,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11 WrapperNode [2020-11-29 23:28:11,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:28:11,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:28:11,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:28:11,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:28:11,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:28:11,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:28:11,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:28:11,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:28:11,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... [2020-11-29 23:28:11,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:28:11,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:28:11,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:28:11,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:28:11,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:28:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:28:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:28:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 23:28:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:28:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 23:28:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:28:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:28:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:28:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:28:12,039 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:28:12,039 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:28:12,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:28:12 BoogieIcfgContainer [2020-11-29 23:28:12,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:28:12,043 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:28:12,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:28:12,053 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:28:12,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:28:12" (1/1) ... [2020-11-29 23:28:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:28:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2020-11-29 23:28:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2020-11-29 23:28:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-29 23:28:12,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-11-29 23:28:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-11-29 23:28:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-29 23:28:12,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:12,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2020-11-29 23:28:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2020-11-29 23:28:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 23:28:12,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2020-11-29 23:28:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2020-11-29 23:28:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 23:28:12,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:12,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2020-11-29 23:28:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2020-11-29 23:28:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 23:28:12,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2020-11-29 23:28:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2020-11-29 23:28:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 23:28:13,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2020-11-29 23:28:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-11-29 23:28:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 23:28:13,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2020-11-29 23:28:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2020-11-29 23:28:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 23:28:13,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2020-11-29 23:28:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2020-11-29 23:28:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:28:13,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-11-29 23:28:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-11-29 23:28:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:28:13,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-11-29 23:28:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-11-29 23:28:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:28:14,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-11-29 23:28:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-11-29 23:28:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:28:14,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2020-11-29 23:28:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2020-11-29 23:28:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:28:14,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-11-29 23:28:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-11-29 23:28:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:28:14,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2020-11-29 23:28:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2020-11-29 23:28:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:28:14,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-11-29 23:28:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-11-29 23:28:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:28:14,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-11-29 23:28:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-11-29 23:28:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:28:15,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-11-29 23:28:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-11-29 23:28:17,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:28:17,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 25 states and 24 transitions. [2020-11-29 23:28:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-29 23:28:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:28:22,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 24 states and 23 transitions. [2020-11-29 23:28:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-11-29 23:28:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:28:28,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2020-11-29 23:28:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-11-29 23:28:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:28:36,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:28:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:28:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 22 states and 21 transitions. [2020-11-29 23:28:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-11-29 23:28:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:28:47,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:28:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:28:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:29:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 21 states and 20 transitions. [2020-11-29 23:29:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-11-29 23:29:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:29:01,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:29:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:29:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 20 states and 19 transitions. [2020-11-29 23:29:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2020-11-29 23:29:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:29:24,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:29:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:31,470 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-29 23:29:33,807 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-11-29 23:29:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:47,711 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2020-11-29 23:29:49,701 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-11-29 23:29:57,295 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2020-11-29 23:29:59,570 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-11-29 23:30:00,967 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-11-29 23:30:03,558 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-29 23:30:05,209 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-11-29 23:30:07,860 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-11-29 23:30:09,545 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-29 23:30:10,625 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-11-29 23:30:12,371 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-11-29 23:30:13,977 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-11-29 23:30:16,796 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2020-11-29 23:30:18,365 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-11-29 23:30:22,876 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-11-29 23:30:24,473 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-11-29 23:30:27,138 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-11-29 23:30:28,635 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-29 23:30:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:30:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2020-11-29 23:30:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-11-29 23:30:43,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:30:43,120 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-29 23:30:43,127 INFO L765 CodeCheckObserver]: All specifications hold 23 specifications checked. All of them hold [2020-11-29 23:30:43,443 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-29 23:30:43,896 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-11-29 23:30:44,136 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-29 23:30:44,138 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:246) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:326) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:805) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:573) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:529) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:30:44,145 INFO L168 Benchmark]: Toolchain (without parser) took 153291.18 ms. Allocated memory was 86.0 MB in the beginning and 664.8 MB in the end (delta: 578.8 MB). Free memory was 50.7 MB in the beginning and 375.8 MB in the end (delta: -325.1 MB). Peak memory consumption was 254.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:44,145 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 68.2 MB in the beginning and 68.1 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:30:44,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.01 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 52.4 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:44,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.83 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:44,147 INFO L168 Benchmark]: Boogie Preprocessor took 25.58 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 49.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:30:44,147 INFO L168 Benchmark]: RCFGBuilder took 662.37 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 70.9 MB in the end (delta: -21.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:44,148 INFO L168 Benchmark]: CodeCheck took 152097.16 ms. Allocated memory was 104.9 MB in the beginning and 664.8 MB in the end (delta: 559.9 MB). Free memory was 70.4 MB in the beginning and 375.8 MB in the end (delta: -305.4 MB). Peak memory consumption was 255.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:44,152 INFO L339 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, 42 locations, 23 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 151.0s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 2818564 SDslu, 0 SDs, 0 SdLazy, 139312988 SolverSat, 73298756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1629 GetRequests, 1092 SyntacticMatches, 19 SemanticMatches, 518 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103079 ImplicationChecksByTransitivity, 148.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 30935 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 529]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 529]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 535]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 535]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 539]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 538]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 23 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 68.2 MB in the beginning and 68.1 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.01 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 52.4 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.83 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 50.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.58 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 49.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 662.37 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 70.9 MB in the end (delta: -21.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * CodeCheck took 152097.16 ms. Allocated memory was 104.9 MB in the beginning and 664.8 MB in the end (delta: 559.9 MB). Free memory was 70.4 MB in the beginning and 375.8 MB in the end (delta: -305.4 MB). Peak memory consumption was 255.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:30:46,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:30:46,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:30:46,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:30:46,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:30:46,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:30:46,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:30:46,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:30:46,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:30:46,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:30:46,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:30:46,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:30:46,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:30:46,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:30:46,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:30:46,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:30:46,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:30:46,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:30:46,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:30:46,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:30:46,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:30:46,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:30:46,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:30:46,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:30:46,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:30:46,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:30:46,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:30:46,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:30:46,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:30:46,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:30:46,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:30:46,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:30:46,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:30:46,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:30:46,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:30:46,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:30:46,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:30:46,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:30:46,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:30:46,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:30:46,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:30:46,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-11-29 23:30:46,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:30:46,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:30:46,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:30:46,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:30:46,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:30:46,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:30:46,775 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:30:46,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:30:46,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:30:46,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:30:46,777 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 23:30:46,777 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 23:30:46,777 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 23:30:46,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:30:46,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:30:46,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:30:46,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:30:46,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:30:46,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:30:46,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:30:46,779 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:30:46,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:30:46,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:30:46,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:30:46,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:30:46,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:30:46,780 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 23:30:46,780 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:30:46,780 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 23:30:46,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:30:46,781 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2707018625c82fb11b0c17a966b82b37a0c8e83 [2020-11-29 23:30:47,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:30:47,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:30:47,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:30:47,206 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:30:47,208 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:30:47,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/../../sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-29 23:30:47,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/85fa30f87/693b9dbb25b84cbcbf60b9bf15373927/FLAG6754f8cfd [2020-11-29 23:30:47,945 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:30:47,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/sv-benchmarks/c/memsafety/test-0019-1.i [2020-11-29 23:30:47,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/85fa30f87/693b9dbb25b84cbcbf60b9bf15373927/FLAG6754f8cfd [2020-11-29 23:30:48,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/data/85fa30f87/693b9dbb25b84cbcbf60b9bf15373927 [2020-11-29 23:30:48,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:30:48,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:30:48,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:30:48,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:30:48,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:30:48,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9ebc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48, skipping insertion in model container [2020-11-29 23:30:48,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:30:48,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:30:48,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:30:48,630 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:30:48,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:30:48,765 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:30:48,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48 WrapperNode [2020-11-29 23:30:48,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:30:48,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:30:48,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:30:48,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:30:48,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:30:48,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:30:48,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:30:48,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:30:48,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... [2020-11-29 23:30:48,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:30:48,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:30:48,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:30:48,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:30:48,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:30:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ef0a8c-6d6e-4558-a417-76bbf04eed00/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:30:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:30:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 23:30:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:30:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 23:30:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:30:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:30:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:30:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:30:49,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:30:49,730 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 23:30:49,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:30:49 BoogieIcfgContainer [2020-11-29 23:30:49,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:30:49,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:30:49,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:30:49,743 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:30:49,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:30:49" (1/1) ... [2020-11-29 23:30:49,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:30:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:30:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2020-11-29 23:30:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2020-11-29 23:30:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-29 23:30:49,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:30:49,845 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:30:49,852 INFO L168 Benchmark]: Toolchain (without parser) took 1632.53 ms. Allocated memory is still 75.5 MB. Free memory was 51.3 MB in the beginning and 36.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,854 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:30:49,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.79 ms. Allocated memory is still 75.5 MB. Free memory was 51.1 MB in the beginning and 48.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,857 INFO L168 Benchmark]: Boogie Preprocessor took 37.87 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 45.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,858 INFO L168 Benchmark]: RCFGBuilder took 881.15 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 41.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,859 INFO L168 Benchmark]: CodeCheck took 116.47 ms. Allocated memory is still 75.5 MB. Free memory was 41.3 MB in the beginning and 36.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:30:49,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.79 ms. Allocated memory is still 75.5 MB. Free memory was 51.1 MB in the beginning and 48.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 46.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.87 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 45.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 881.15 ms. Allocated memory is still 75.5 MB. Free memory was 45.1 MB in the beginning and 41.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * CodeCheck took 116.47 ms. Allocated memory is still 75.5 MB. Free memory was 41.3 MB in the beginning and 36.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...