./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0232-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0232-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu --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 1228d922512a0e9364273220ccc1e5afc3bfb7c0e22f10439a1ba902492e71b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:57,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:57,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:57,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:57,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:57,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:57,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:57,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:57,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:57,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:57,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:57,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:57,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:57,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:57,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:57,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:57,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:57,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:57,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:57,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:57,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:57,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:57,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:57,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:57,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:57,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:57,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:57,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:57,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:57,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:57,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:57,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:57,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:57,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:57,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:57,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:57,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:57,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:57,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:57,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:57,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:57,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:56:57,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:57,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:57,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:57,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:57,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:57,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:57,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:56:57,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:57,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:57,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:57,503 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:56:57,509 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:56:57,510 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:56:57,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:57,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:57,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:57,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:57,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:57,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:57,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:57,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:57,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:57,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:57,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:57,513 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_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1228d922512a0e9364273220ccc1e5afc3bfb7c0e22f10439a1ba902492e71b2 [2021-11-23 15:56:57,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:57,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:57,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:57,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:57,797 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:57,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0232-1.i [2021-11-23 15:56:57,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/06abb28ee/0c9d9667110249a6b67f4702a6ef4b08/FLAG6ba7214d9 [2021-11-23 15:56:58,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:58,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/sv-benchmarks/c/memsafety/test-0232-1.i [2021-11-23 15:56:58,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/06abb28ee/0c9d9667110249a6b67f4702a6ef4b08/FLAG6ba7214d9 [2021-11-23 15:56:58,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/06abb28ee/0c9d9667110249a6b67f4702a6ef4b08 [2021-11-23 15:56:58,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:58,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:58,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:58,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:58,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:58,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366ad2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:58, skipping insertion in model container [2021-11-23 15:56:58,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:58" (1/1) ... [2021-11-23 15:56:58,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:58,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:59,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:59,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:59,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:59,388 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:59,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59 WrapperNode [2021-11-23 15:56:59,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:59,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:59,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:59,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:59,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,453 INFO L137 Inliner]: procedures = 126, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-23 15:56:59,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:59,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:59,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:59,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:59,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:59,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:59,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:59,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:59,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:59" (1/1) ... [2021-11-23 15:56:59,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:59,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:59,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:59,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:56:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:56:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:56:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:59,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:59,746 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:59,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:00,100 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:00,143 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:00,147 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:57:00,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:00 BoogieIcfgContainer [2021-11-23 15:57:00,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:00,151 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:00,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:00,162 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:00,162 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:00" (1/1) ... [2021-11-23 15:57:00,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2021-11-23 15:57:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2021-11-23 15:57:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:57:00,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:00,520 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 15:57:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 75 states and 81 transitions. [2021-11-23 15:57:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2021-11-23 15:57:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:57:00,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:00,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:00,674 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 15:57:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-23 15:57:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-23 15:57:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:57:00,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:00,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:00,943 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 15:57:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-23 15:57:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-23 15:57:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 15:57:01,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:01,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:01,129 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 15:57:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-11-23 15:57:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-11-23 15:57:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:57:01,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:01,551 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 15:57:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2021-11-23 15:57:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2021-11-23 15:57:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:57:01,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:01,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:01,659 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 15:57:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-23 15:57:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-23 15:57:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:01,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:02,020 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 15:57:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-23 15:57:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-23 15:57:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:03,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:03,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:03,194 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 15:57:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2021-11-23 15:57:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2021-11-23 15:57:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:57:03,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:03,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:03,777 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 15:57:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 89 states and 111 transitions. [2021-11-23 15:57:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2021-11-23 15:57:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:57:03,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:03,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:03,926 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 15:57:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2021-11-23 15:57:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-11-23 15:57:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:57:04,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:04,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:04,810 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 15:57:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 98 states and 130 transitions. [2021-11-23 15:57:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2021-11-23 15:57:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:05,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:05,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:06,024 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 15:57:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2021-11-23 15:57:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2021-11-23 15:57:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:07,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:07,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:08,106 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 15:57:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 110 states and 157 transitions. [2021-11-23 15:57:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2021-11-23 15:57:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:57:10,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:10,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:10,764 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 15:57:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2021-11-23 15:57:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-23 15:57:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:10,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:10,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:11,030 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 15:57:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2021-11-23 15:57:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2021-11-23 15:57:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:11,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:11,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:11,181 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 15:57:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 159 transitions. [2021-11-23 15:57:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2021-11-23 15:57:11,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:11,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:11,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:11,225 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 15:57:11,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2021-11-23 15:57:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-23 15:57:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:57:11,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:11,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:11,350 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 15:57:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:11,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 112 states and 160 transitions. [2021-11-23 15:57:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2021-11-23 15:57:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:57:11,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:11,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:11,795 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 15:57:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 117 states and 172 transitions. [2021-11-23 15:57:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-11-23 15:57:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:57:12,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:12,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:13,259 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 15:57:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 123 states and 185 transitions. [2021-11-23 15:57:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 185 transitions. [2021-11-23 15:57:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:57:14,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:14,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:14,661 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 15:57:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 125 states and 189 transitions. [2021-11-23 15:57:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 189 transitions. [2021-11-23 15:57:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:57:15,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:15,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:15,122 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 15:57:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 126 states and 190 transitions. [2021-11-23 15:57:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2021-11-23 15:57:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:57:15,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:15,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:15,852 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 15:57:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 128 states and 196 transitions. [2021-11-23 15:57:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2021-11-23 15:57:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:57:16,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:16,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:17,081 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 15:57:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2021-11-23 15:57:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2021-11-23 15:57:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:57:18,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:18,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:18,527 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 15:57:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 137 states and 211 transitions. [2021-11-23 15:57:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2021-11-23 15:57:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:57:22,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:22,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:22,236 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 15:57:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 136 states and 210 transitions. [2021-11-23 15:57:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 210 transitions. [2021-11-23 15:57:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:57:22,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:22,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:22,624 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 15:57:23,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2021-11-23 15:57:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2021-11-23 15:57:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:57:23,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:23,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:23,711 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 15:57:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 150 states and 232 transitions. [2021-11-23 15:57:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 232 transitions. [2021-11-23 15:57:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:57:30,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:30,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:31,119 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 15:57:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 157 states and 245 transitions. [2021-11-23 15:57:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 245 transitions. [2021-11-23 15:57:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:57:35,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:35,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:36,408 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 15:57:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 268 transitions. [2021-11-23 15:57:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 268 transitions. [2021-11-23 15:57:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:57:42,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:42,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:42,138 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 15:57:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 165 states and 268 transitions. [2021-11-23 15:57:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 268 transitions. [2021-11-23 15:57:42,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:57:42,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:42,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:43,340 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 15:57:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2021-11-23 15:57:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2021-11-23 15:57:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:57:46,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:46,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:46,350 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 15:57:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 173 states and 285 transitions. [2021-11-23 15:57:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 285 transitions. [2021-11-23 15:57:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:57:49,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:49,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:49,226 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 15:57:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 173 states and 284 transitions. [2021-11-23 15:57:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 284 transitions. [2021-11-23 15:57:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:57:50,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:57:50,880 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 15:58:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:02,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 189 states and 311 transitions. [2021-11-23 15:58:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 311 transitions. [2021-11-23 15:58:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:58:02,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:02,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:02,638 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 15:58:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:04,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 193 states and 315 transitions. [2021-11-23 15:58:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 315 transitions. [2021-11-23 15:58:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:58:04,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:04,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:04,769 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 15:58:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 198 states and 320 transitions. [2021-11-23 15:58:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 320 transitions. [2021-11-23 15:58:08,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:58:08,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:08,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:08,794 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 15:58:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:13,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 198 states and 319 transitions. [2021-11-23 15:58:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 319 transitions. [2021-11-23 15:58:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:58:13,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:13,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:58:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 198 states and 318 transitions. [2021-11-23 15:58:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 318 transitions. [2021-11-23 15:58:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:58:19,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:19,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 15:58:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2021-11-23 15:58:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2021-11-23 15:58:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:58:25,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:25,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:25,292 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 15:58:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2021-11-23 15:58:26,200 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2021-11-23 15:58:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:58:26,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:26,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:58:26,319 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 15:58:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2021-11-23 15:58:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2021-11-23 15:58:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:58:27,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:27,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:58:27,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 15:58:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:58:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:58:27,309 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 15:58:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 15:58:27,379 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations. [2021-11-23 15:58:27,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:58:27 ImpRootNode [2021-11-23 15:58:27,441 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:58:27,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:58:27,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:58:27,442 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:58:27,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:00" (3/4) ... [2021-11-23 15:58:27,445 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 15:58:27,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:58:27,446 INFO L158 Benchmark]: Toolchain (without parser) took 88611.36ms. Allocated memory was 107.0MB in the beginning and 824.2MB in the end (delta: 717.2MB). Free memory was 76.2MB in the beginning and 607.3MB in the end (delta: -531.1MB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,446 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:27,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.08ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.41ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,448 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 71.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,448 INFO L158 Benchmark]: RCFGBuilder took 667.09ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 54.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,465 INFO L158 Benchmark]: CodeCheck took 87289.81ms. Allocated memory was 107.0MB in the beginning and 824.2MB in the end (delta: 717.2MB). Free memory was 54.3MB in the beginning and 607.3MB in the end (delta: -553.0MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,466 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 824.2MB. Free memory is still 607.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:27,469 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, 73 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 87.2s, OverallIterations: 43, 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, 4653 SdHoareTripleChecker+Valid, 28.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3875 mSDsluCounter, 2755 SdHoareTripleChecker+Invalid, 24.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2323 mSDsCounter, 4452 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17650 IncrementalHoareTripleChecker+Invalid, 22102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4452 mSolverCounterUnsat, 432 mSDtfsCounter, 17650 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5037 GetRequests, 4298 SyntacticMatches, 111 SemanticMatches, 628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175940 ImplicationChecksByTransitivity, 82.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 3023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 37 PerfectInterpolantSequences, 50/69 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: 537]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 537. Possible FailurePath: [L539] struct item *list = ((void *)0); VAL [list={2303:0}] [L541] CALL append(&list) [L530] struct item *item = malloc(sizeof *item); [L531] EXPR \read(**plist) VAL [\read(**plist)={0:0}, item={-1:0}, plist={2303:0}, plist={2303:0}] [L531] item->next = *plist [L532] EXPR item->next VAL [item={-1:0}, item->next={0:0}, plist={2303:0}, plist={2303:0}] [L532-L534] EXPR (item->next) ? item->next->data : malloc(sizeof *item) [L532-L534] EXPR (item->next) ? item->next->data : malloc(sizeof *item) VAL [(item->next) ? item->next->data : malloc(sizeof *item)={-2:0}, item={-1:0}, item->next={0:0}, malloc(sizeof *item)={-2:0}, plist={2303:0}, plist={2303:0}] [L532-L534] item->data = (item->next) ? item->next->data : malloc(sizeof *item) [L535] *plist = item [L541] RET append(&list) [L542] COND FALSE !(__VERIFIER_nondet_int()) [L543] \read(*list) VAL [\read(*list)={-1:0}, list={2303:0}] [L543] COND TRUE \read(*list) [L544] EXPR \read(*list) VAL [\read(*list)={-1:0}, list={2303:0}] [L544] EXPR list->next [L544] struct item *next = list->next; [L545] EXPR \read(*list) VAL [\read(*list)={-1:0}, list={2303:0}, next={0:0}] [L545] free(list) VAL [\read(*list)={-1:0}, list={2303:0}, next={0:0}] [L545] free(list) VAL [\read(*list)={-1:0}, list={2303:0}, next={0:0}] [L545] free(list) [L546] list = next VAL [list={2303:0}, next={0:0}] [L548] \read(*list) VAL [\read(*list)={0:0}, list={2303:0}, next={0:0}] [L548] COND FALSE !(\read(*list)) [L553] return 0; [L539] struct item *list = ((void *)0); [L553] return 0; VAL [\result=0, next={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 107.0MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.08ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 1.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.41ms. Allocated memory is still 107.0MB. Free memory was 74.9MB in the beginning and 72.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 71.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.09ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 54.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 87289.81ms. Allocated memory was 107.0MB in the beginning and 824.2MB in the end (delta: 717.2MB). Free memory was 54.3MB in the beginning and 607.3MB in the end (delta: -553.0MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 824.2MB. Free memory is still 607.3MB. 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 15:58:27,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/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_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0232-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu --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 1228d922512a0e9364273220ccc1e5afc3bfb7c0e22f10439a1ba902492e71b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:29,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:29,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:29,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:29,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:29,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:29,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:29,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:29,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:29,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:29,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:29,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:29,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:29,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:29,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:29,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:29,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:29,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:29,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:29,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:29,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:29,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:29,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:29,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:29,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:29,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:29,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:29,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:29,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:29,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:29,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:29,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:29,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:29,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:29,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:29,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:29,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:29,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:29,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:29,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:29,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:29,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:30,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:30,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:30,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:30,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:30,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:30,008 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:30,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:30,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:30,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:30,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:30,009 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:30,010 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:30,010 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:30,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:30,010 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:30,011 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:30,011 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:30,011 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:30,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:30,012 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:30,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:30,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:30,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:30,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:30,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:30,014 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:30,014 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:30,014 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:30,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:30,015 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_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1228d922512a0e9364273220ccc1e5afc3bfb7c0e22f10439a1ba902492e71b2 [2021-11-23 15:58:30,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:30,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:30,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:30,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:30,431 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:30,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0232-1.i [2021-11-23 15:58:30,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/38f045f3d/ccf00cda83f748fe937d3957d3c75d13/FLAGa8431f5c9 [2021-11-23 15:58:31,117 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:31,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/sv-benchmarks/c/memsafety/test-0232-1.i [2021-11-23 15:58:31,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/38f045f3d/ccf00cda83f748fe937d3957d3c75d13/FLAGa8431f5c9 [2021-11-23 15:58:31,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/data/38f045f3d/ccf00cda83f748fe937d3957d3c75d13 [2021-11-23 15:58:31,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:31,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:31,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:31,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:31,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:31,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8a5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31, skipping insertion in model container [2021-11-23 15:58:31,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:31,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:31,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:31,861 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:31,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:31,958 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:31,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31 WrapperNode [2021-11-23 15:58:31,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:31,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:31,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:31,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:31,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,011 INFO L137 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2021-11-23 15:58:32,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:32,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:32,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:32,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:32,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:32,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:32,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:32,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:32,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:32,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:32,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:32,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:32,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:32,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:32,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:32,823 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:32,864 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:32,864 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:58:32,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:32 BoogieIcfgContainer [2021-11-23 15:58:32,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:32,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:32,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:32,877 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:32,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2021-11-23 15:58:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2021-11-23 15:58:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:58:32,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:32,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:33,037 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 15:58:33,044 INFO L158 Benchmark]: Toolchain (without parser) took 1605.91ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 30.4MB in the beginning and 41.3MB in the end (delta: -11.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,045 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:33,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.37ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 54.3MB in the end (delta: -24.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.12ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,049 INFO L158 Benchmark]: Boogie Preprocessor took 54.31ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,050 INFO L158 Benchmark]: RCFGBuilder took 798.27ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,051 INFO L158 Benchmark]: CodeCheck took 173.39ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 41.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,060 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 0.16ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.37ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 54.3MB in the end (delta: -24.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.12ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.31ms. Allocated memory is still 77.6MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.27ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 47.5MB in the end (delta: 2.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * CodeCheck took 173.39ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 41.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:33,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810a4789-b890-4f9c-90cd-952fdf269826/bin/ukojak-CwSLpZB5Qu/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