./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ --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 b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:37,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:37,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:37,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:37,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:37,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:37,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:37,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:37,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:37,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:37,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:37,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:37,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:37,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:37,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:37,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:37,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:37,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:37,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:37,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:37,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:37,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:37,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:37,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:37,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:37,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:37,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:37,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:37,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:37,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:37,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:37,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:37,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:37,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:37,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:37,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:37,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:37,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:37,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:37,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:37,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:37,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:37:37,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:37,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:37,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:37,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:37,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:37,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:37,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:37:37,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:37,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:37,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:37,658 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:37:37,658 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:37:37,658 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:37:37,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:37,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:37,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:37,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:37,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:37,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:37,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:37,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:37,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:37,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:37,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:37,661 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_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2021-11-23 00:37:37,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:37,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:37,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:37,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:37,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:37,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-11-23 00:37:38,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/79a204b6d/48c3a749792847cd9efc28bb7119c90d/FLAGf61352728 [2021-11-23 00:37:38,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:38,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-11-23 00:37:38,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/79a204b6d/48c3a749792847cd9efc28bb7119c90d/FLAGf61352728 [2021-11-23 00:37:38,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/79a204b6d/48c3a749792847cd9efc28bb7119c90d [2021-11-23 00:37:38,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:38,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:38,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:38,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:38,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:38,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:38" (1/1) ... [2021-11-23 00:37:38,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d4934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:38, skipping insertion in model container [2021-11-23 00:37:38,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:38" (1/1) ... [2021-11-23 00:37:38,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:38,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:39,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:39,358 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:39,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:39,455 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:39,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39 WrapperNode [2021-11-23 00:37:39,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:39,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:39,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:39,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:39,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,542 INFO L137 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2021-11-23 00:37:39,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:39,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:39,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:39,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:39,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:39,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:39,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:39,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:39,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:39" (1/1) ... [2021-11-23 00:37:39,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:39,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:39,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:39,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:37:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:37:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:37:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:37:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:37:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:37:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:39,799 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:39,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:40,186 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:40,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:40,220 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:37:40,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:40 BoogieIcfgContainer [2021-11-23 00:37:40,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:40,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:40,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:40,235 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:40,238 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:40" (1/1) ... [2021-11-23 00:37:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2021-11-23 00:37:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2021-11-23 00:37:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:37:40,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2021-11-23 00:37:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2021-11-23 00:37:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:37:40,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2021-11-23 00:37:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2021-11-23 00:37:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:37:40,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2021-11-23 00:37:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2021-11-23 00:37:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:37:41,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-23 00:37:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-23 00:37:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:37:41,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2021-11-23 00:37:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2021-11-23 00:37:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:37:41,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 86 states and 96 transitions. [2021-11-23 00:37:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2021-11-23 00:37:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:41,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2021-11-23 00:37:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2021-11-23 00:37:42,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:42,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2021-11-23 00:37:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2021-11-23 00:37:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:43,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-23 00:37:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-23 00:37:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:43,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 97 states and 116 transitions. [2021-11-23 00:37:44,331 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2021-11-23 00:37:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:44,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:44,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 102 states and 125 transitions. [2021-11-23 00:37:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 125 transitions. [2021-11-23 00:37:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:37:45,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 143 transitions. [2021-11-23 00:37:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-11-23 00:37:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:48,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 113 states and 150 transitions. [2021-11-23 00:37:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 150 transitions. [2021-11-23 00:37:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:48,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:48,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 116 states and 156 transitions. [2021-11-23 00:37:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2021-11-23 00:37:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:49,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 116 states and 155 transitions. [2021-11-23 00:37:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2021-11-23 00:37:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:49,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 117 states and 157 transitions. [2021-11-23 00:37:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 157 transitions. [2021-11-23 00:37:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:49,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-23 00:37:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-23 00:37:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:52,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 126 states and 175 transitions. [2021-11-23 00:37:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 175 transitions. [2021-11-23 00:37:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:52,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 126 states and 174 transitions. [2021-11-23 00:37:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2021-11-23 00:37:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:52,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 131 states and 187 transitions. [2021-11-23 00:37:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 187 transitions. [2021-11-23 00:37:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:54,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:54,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 137 states and 202 transitions. [2021-11-23 00:37:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 202 transitions. [2021-11-23 00:37:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:56,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:57,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 138 states and 204 transitions. [2021-11-23 00:37:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 204 transitions. [2021-11-23 00:37:57,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:37:57,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 140 states and 207 transitions. [2021-11-23 00:37:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2021-11-23 00:37:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:57,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 142 states and 210 transitions. [2021-11-23 00:37:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 210 transitions. [2021-11-23 00:37:59,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:59,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:37:59,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 209 transitions. [2021-11-23 00:37:59,432 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2021-11-23 00:37:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:59,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 143 states and 211 transitions. [2021-11-23 00:38:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 211 transitions. [2021-11-23 00:38:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:00,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:00,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 156 states and 235 transitions. [2021-11-23 00:38:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 235 transitions. [2021-11-23 00:38:06,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:06,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:06,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 163 states and 253 transitions. [2021-11-23 00:38:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 253 transitions. [2021-11-23 00:38:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:11,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:11,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 170 states and 278 transitions. [2021-11-23 00:38:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 278 transitions. [2021-11-23 00:38:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:16,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:16,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:18,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 172 states and 281 transitions. [2021-11-23 00:38:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 281 transitions. [2021-11-23 00:38:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:18,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:18,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 174 states and 284 transitions. [2021-11-23 00:38:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 284 transitions. [2021-11-23 00:38:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:19,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:19,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2021-11-23 00:38:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2021-11-23 00:38:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:23,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 182 states and 293 transitions. [2021-11-23 00:38:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2021-11-23 00:38:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:38:26,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:26,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:38:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 182 states and 292 transitions. [2021-11-23 00:38:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 292 transitions. [2021-11-23 00:38:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:26,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:26,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:37,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 197 states and 322 transitions. [2021-11-23 00:38:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 322 transitions. [2021-11-23 00:38:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:37,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:37,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 201 states and 328 transitions. [2021-11-23 00:38:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 328 transitions. [2021-11-23 00:38:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:39,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:39,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 206 states and 333 transitions. [2021-11-23 00:38:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 333 transitions. [2021-11-23 00:38:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:38:43,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:43,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:38:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 206 states and 332 transitions. [2021-11-23 00:38:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 332 transitions. [2021-11-23 00:38:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:38:47,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:47,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 214 states and 351 transitions. [2021-11-23 00:38:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 351 transitions. [2021-11-23 00:38:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:38:58,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:58,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 213 states and 350 transitions. [2021-11-23 00:38:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 350 transitions. [2021-11-23 00:38:59,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:38:59,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:59,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:59,482 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:59,645 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:59,699 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2021-11-23 00:38:59,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:38:59 ImpRootNode [2021-11-23 00:38:59,739 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:38:59,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:38:59,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:38:59,740 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:38:59,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:40" (3/4) ... [2021-11-23 00:38:59,743 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 00:38:59,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:38:59,745 INFO L158 Benchmark]: Toolchain (without parser) took 80868.79ms. Allocated memory was 107.0MB in the beginning and 685.8MB in the end (delta: 578.8MB). Free memory was 66.3MB in the beginning and 315.5MB in the end (delta: -249.2MB). Peak memory consumption was 329.4MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,745 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:59,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 74.8MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.26ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,747 INFO L158 Benchmark]: Boogie Preprocessor took 61.33ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,748 INFO L158 Benchmark]: RCFGBuilder took 617.98ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 52.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,748 INFO L158 Benchmark]: CodeCheck took 79514.84ms. Allocated memory was 107.0MB in the beginning and 685.8MB in the end (delta: 578.8MB). Free memory was 52.8MB in the beginning and 315.5MB in the end (delta: -262.8MB). Peak memory consumption was 319.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:59,749 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 685.8MB. Free memory is still 315.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:59,752 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, 79 locations, 44 error locations. Started 1 CEGAR loops. OverallTime: 79.4s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4312 SdHoareTripleChecker+Valid, 25.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3444 mSDsluCounter, 2756 SdHoareTripleChecker+Invalid, 20.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2087 mSDsCounter, 3704 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15969 IncrementalHoareTripleChecker+Invalid, 19673 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3704 mSolverCounterUnsat, 669 mSDtfsCounter, 15969 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4692 GetRequests, 3997 SyntacticMatches, 85 SemanticMatches, 610 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166231 ImplicationChecksByTransitivity, 75.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 457 ConstructedInterpolants, 0 QuantifiedInterpolants, 2632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 33 PerfectInterpolantSequences, 49/76 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 539]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 539. Possible FailurePath: [L524] int c = 0; [L541] struct item *list = ((void *)0); [L542] int length = 0; VAL [c=0, length=0, list={20408:0}] [L544] CALL append(&list) [L531] c++ [L532] struct item *item = malloc(sizeof *item); [L533] EXPR \read(**plist) VAL [\read(**plist)={0:0}, c=1, item={-2:0}, plist={20408:0}, plist={20408:0}] [L533] item->next = *plist [L534] EXPR item->next VAL [c=1, item={-2:0}, item->next={0:0}, plist={20408:0}, plist={20408:0}] [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) [L534-L536] EXPR (item->next) ? item->next->data : malloc(sizeof *item) VAL [(item->next) ? item->next->data : malloc(sizeof *item)={-1:0}, c=1, item={-2:0}, item->next={0:0}, malloc(sizeof *item)={-1:0}, plist={20408:0}, plist={20408:0}] [L534-L536] item->data = (item->next) ? item->next->data : malloc(sizeof *item) [L537] *plist = item [L544] RET append(&list) [L545] length++ [L546] COND FALSE !(__VERIFIER_nondet_int() && c < 20) [L547] COND TRUE length > 0 VAL [c=1, length=1, list={20408:0}] [L548] COND FALSE !(length < 0) VAL [c=1, length=1, list={20408:0}] [L551] EXPR \read(*list) VAL [\read(*list)={-2:0}, c=1, length=1, list={20408:0}] [L551] EXPR list->next [L551] struct item *next = list->next; [L552] EXPR \read(*list) VAL [\read(*list)={-2:0}, c=1, length=1, list={20408:0}, next={0:0}] [L552] free(list) VAL [\read(*list)={-2:0}, c=1, length=1, list={20408:0}, next={0:0}] [L552] free(list) VAL [\read(*list)={-2:0}, c=1, length=1, list={20408:0}, next={0:0}] [L552] free(list) [L553] list = next [L554] length-- VAL [c=1, length=0, list={20408:0}, next={0:0}] [L556] COND FALSE !(length > 0) [L562] return 0; [L541] struct item *list = ((void *)0); [L562] return 0; VAL [\result=0, c=1, length=0, next={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 107.0MB. Free memory was 66.1MB in the beginning and 74.8MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.26ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.33ms. Allocated memory is still 107.0MB. Free memory was 72.5MB in the beginning and 71.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.98ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 52.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 79514.84ms. Allocated memory was 107.0MB in the beginning and 685.8MB in the end (delta: 578.8MB). Free memory was 52.8MB in the beginning and 315.5MB in the end (delta: -262.8MB). Peak memory consumption was 319.1MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 685.8MB. Free memory is still 315.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 00:38:59,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ --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 b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:02,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:02,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:02,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:02,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:02,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:02,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:02,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:02,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:02,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:02,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:02,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:02,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:02,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:02,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:02,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:02,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:02,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:02,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:02,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:02,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:02,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:02,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:02,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:02,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:02,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:02,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:02,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:02,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:02,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:02,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:02,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:02,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:02,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:02,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:02,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:02,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:02,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:02,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:02,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:02,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:02,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 00:39:02,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:02,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:02,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:02,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:02,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:02,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:02,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:39:02,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:02,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:02,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:02,419 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:39:02,419 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:39:02,419 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:39:02,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:02,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:39:02,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:39:02,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:39:02,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:02,421 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:02,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:02,421 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:02,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:02,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:02,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:02,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:02,422 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:39:02,423 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:39:02,423 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:39:02,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:39:02,423 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_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2021-11-23 00:39:02,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:02,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:02,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:02,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:02,804 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:02,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-11-23 00:39:02,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/f36bdc2bd/f8c009d3347144d6b235477fe27f8f81/FLAG7f4163afc [2021-11-23 00:39:03,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:03,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2021-11-23 00:39:03,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/f36bdc2bd/f8c009d3347144d6b235477fe27f8f81/FLAG7f4163afc [2021-11-23 00:39:03,810 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/data/f36bdc2bd/f8c009d3347144d6b235477fe27f8f81 [2021-11-23 00:39:03,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:03,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:03,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:03,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:03,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:03,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:03" (1/1) ... [2021-11-23 00:39:03,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ec5798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:03, skipping insertion in model container [2021-11-23 00:39:03,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:03" (1/1) ... [2021-11-23 00:39:03,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:03,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:04,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:04,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:04,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:04,432 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:04,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04 WrapperNode [2021-11-23 00:39:04,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:04,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:04,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:04,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:04,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,529 INFO L137 Inliner]: procedures = 127, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2021-11-23 00:39:04,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:04,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:04,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:04,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:04,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:04,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:04,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:04,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:04,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:04" (1/1) ... [2021-11-23 00:39:04,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:04,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:04,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:04,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:39:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:39:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:39:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:39:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:39:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:04,889 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:04,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:05,369 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:05,410 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:05,412 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:39:05,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:05 BoogieIcfgContainer [2021-11-23 00:39:05,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:05,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:05,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:05,426 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:05,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:05" (1/1) ... [2021-11-23 00:39:05,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:39:05,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2021-11-23 00:39:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2021-11-23 00:39:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:39:05,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:05,559 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:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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) [2021-11-23 00:39:05,563 INFO L158 Benchmark]: Toolchain (without parser) took 1745.51ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.4MB in the beginning and 52.4MB in the end (delta: -22.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:05,564 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:05,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.00ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.2MB in the beginning and 49.3MB in the end (delta: -19.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 00:39:05,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.33ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 47.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:05,567 INFO L158 Benchmark]: Boogie Preprocessor took 67.78ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:05,567 INFO L158 Benchmark]: RCFGBuilder took 811.44ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 39.1MB in the end (delta: 6.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 00:39:05,568 INFO L158 Benchmark]: CodeCheck took 145.70ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 52.4MB in the end (delta: -13.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 00:39:05,572 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 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.00ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.2MB in the beginning and 49.3MB in the end (delta: -19.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.33ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 47.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.78ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 45.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 811.44ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 39.1MB in the end (delta: 6.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * CodeCheck took 145.70ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 52.4MB in the end (delta: -13.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:39:05,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c7ecdf-5f85-4f06-86da-fa6b3757e8b8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared