./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB --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 12d7333ecc5650929161cd50df756e255d5b3c2b6fe8799d2d7337cf38a3a1cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:34:43,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:43,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:43,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:43,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:43,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:43,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:43,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:43,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:43,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:43,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:43,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:43,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:43,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:43,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:43,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:43,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:43,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:43,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:43,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:43,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:43,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:43,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:43,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:43,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:43,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:43,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:43,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:43,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:43,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:43,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:43,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:43,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:43,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:43,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:43,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:43,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:43,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:43,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:43,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:43,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:43,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:34:43,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:43,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:43,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:43,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:43,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:43,544 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:43,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:34:43,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:43,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:43,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:43,546 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:34:43,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:34:43,547 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:34:43,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:43,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:43,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:43,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:43,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:43,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:43,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:43,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:43,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:43,566 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:43,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:43,566 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_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d7333ecc5650929161cd50df756e255d5b3c2b6fe8799d2d7337cf38a3a1cb [2022-10-17 16:34:43,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:43,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:43,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:43,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:43,867 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:43,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i [2022-10-17 16:34:43,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/data/f9eb21274/605954100b414a97b7e952f0e5056884/FLAGcbb2189f2 [2022-10-17 16:34:44,546 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:44,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i [2022-10-17 16:34:44,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/data/f9eb21274/605954100b414a97b7e952f0e5056884/FLAGcbb2189f2 [2022-10-17 16:34:44,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/data/f9eb21274/605954100b414a97b7e952f0e5056884 [2022-10-17 16:34:44,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:44,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:44,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:44,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:44,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:44,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:44" (1/1) ... [2022-10-17 16:34:44,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fee46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:44, skipping insertion in model container [2022-10-17 16:34:44,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:44" (1/1) ... [2022-10-17 16:34:44,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:44,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:45,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:45,274 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:45,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:45,369 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:45,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45 WrapperNode [2022-10-17 16:34:45,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:45,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:45,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:45,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:45,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,441 INFO L138 Inliner]: procedures = 167, calls = 79, calls flagged for inlining = 33, calls inlined = 10, statements flattened = 75 [2022-10-17 16:34:45,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:45,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:45,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:45,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:45,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:45,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:45,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:45,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:45,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:45" (1/1) ... [2022-10-17 16:34:45,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:45,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:45,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:45,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72766014-960d-468f-984b-e3551674bb34/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:34:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:34:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:34:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:34:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:34:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:34:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:45,807 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:45,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:46,186 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:46,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:46,280 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:34:46,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:46 BoogieIcfgContainer [2022-10-17 16:34:46,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:46,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:46,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:46,297 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:46,298 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:46" (1/1) ... [2022-10-17 16:34:46,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2022-10-17 16:34:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2022-10-17 16:34:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:34:46,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:46,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2022-10-17 16:34:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-10-17 16:34:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:34:46,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2022-10-17 16:34:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2022-10-17 16:34:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:34:47,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:47,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2022-10-17 16:34:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2022-10-17 16:34:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:34:48,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:48,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2022-10-17 16:34:48,929 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2022-10-17 16:34:48,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:34:48,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2022-10-17 16:34:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2022-10-17 16:34:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:34:49,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:49,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2022-10-17 16:34:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2022-10-17 16:34:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:34:51,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:52,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2022-10-17 16:34:52,850 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-10-17 16:34:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:34:52,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:52,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-10-17 16:34:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-10-17 16:34:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:34:55,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:55,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2022-10-17 16:34:57,364 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-10-17 16:34:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:34:57,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2022-10-17 16:35:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-10-17 16:35:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:00,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2022-10-17 16:35:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-10-17 16:35:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:02,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-10-17 16:35:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-10-17 16:35:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:02,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 16:35:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 16:35:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:04,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:04,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2022-10-17 16:35:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-10-17 16:35:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:35:06,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2022-10-17 16:35:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-10-17 16:35:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:09,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:35:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:35:17,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:35:17,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:17,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.