./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.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_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/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_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/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_5f0cc726-9147-4791-acdf-0f0648db24cc/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 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 --- 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 16:29:02,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:02,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:02,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:02,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:02,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:02,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:02,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:02,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:02,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:02,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:02,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:02,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:02,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:02,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:02,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:02,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:02,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:02,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:02,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:02,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:02,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:02,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:02,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:02,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:02,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:02,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:02,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:02,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:02,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:02,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:02,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:02,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:02,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:02,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:02,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:02,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:02,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:02,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:02,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:02,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:02,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:29:02,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:02,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:02,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:02,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:02,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:02,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:02,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:29:02,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:02,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:02,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:02,510 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:29:02,511 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:29:02,511 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:29:02,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:02,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:02,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:02,512 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:02,512 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:02,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:02,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:02,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:02,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:02,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:02,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:02,514 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_5f0cc726-9147-4791-acdf-0f0648db24cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 [2022-10-17 16:29:02,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:02,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:02,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:02,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:02,837 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:02,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2022-10-17 16:29:02,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/e924f5598/b50eb62c1e0e4937804b8f254b04b395/FLAGd62e60ae0 [2022-10-17 16:29:03,555 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:03,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2022-10-17 16:29:03,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/e924f5598/b50eb62c1e0e4937804b8f254b04b395/FLAGd62e60ae0 [2022-10-17 16:29:03,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/e924f5598/b50eb62c1e0e4937804b8f254b04b395 [2022-10-17 16:29:03,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:03,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:03,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:03,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:03,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:03,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:03" (1/1) ... [2022-10-17 16:29:03,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a04e59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:03, skipping insertion in model container [2022-10-17 16:29:03,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:03" (1/1) ... [2022-10-17 16:29:03,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:03,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:04,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22480,22493] [2022-10-17 16:29:04,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22552,22565] [2022-10-17 16:29:04,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22720,22733] [2022-10-17 16:29:04,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:04,249 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:04,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22480,22493] [2022-10-17 16:29:04,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22552,22565] [2022-10-17 16:29:04,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i[22720,22733] [2022-10-17 16:29:04,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:04,320 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:04,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04 WrapperNode [2022-10-17 16:29:04,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:04,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:04,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:04,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:04,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,370 INFO L138 Inliner]: procedures = 119, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2022-10-17 16:29:04,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:04,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:04,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:04,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:04,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:04,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:04,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:04,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:04,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:04" (1/1) ... [2022-10-17 16:29:04,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:04,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:04,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:04,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:29:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:29:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:04,686 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:04,688 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:05,168 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:05,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:05,219 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:29:05,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:05 BoogieIcfgContainer [2022-10-17 16:29:05,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:05,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:05,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:05,244 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:05,244 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:05" (1/1) ... [2022-10-17 16:29:05,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 105 states and 120 transitions. [2022-10-17 16:29:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2022-10-17 16:29:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:29:05,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:05,721 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 16:29:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2022-10-17 16:29:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2022-10-17 16:29:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:29:05,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:05,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:05,936 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 16:29:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 103 states and 118 transitions. [2022-10-17 16:29:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2022-10-17 16:29:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:29:06,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:06,098 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 16:29:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 102 states and 117 transitions. [2022-10-17 16:29:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2022-10-17 16:29:06,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:29:06,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:06,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:06,269 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 16:29:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2022-10-17 16:29:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2022-10-17 16:29:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:29:06,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:06,740 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 16:29:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 100 states and 114 transitions. [2022-10-17 16:29:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2022-10-17 16:29:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:29:06,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:07,022 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 16:29:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 103 states and 120 transitions. [2022-10-17 16:29:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2022-10-17 16:29:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:07,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:07,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:07,260 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 16:29:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2022-10-17 16:29:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2022-10-17 16:29:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:29:07,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:07,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:07,489 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 16:29:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 103 states and 121 transitions. [2022-10-17 16:29:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-10-17 16:29:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:07,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:07,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:07,815 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 16:29:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 107 states and 126 transitions. [2022-10-17 16:29:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2022-10-17 16:29:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:08,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:08,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:08,421 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 16:29:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2022-10-17 16:29:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-10-17 16:29:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:29:08,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:08,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:09,260 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 16:29:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 111 states and 134 transitions. [2022-10-17 16:29:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2022-10-17 16:29:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:29:10,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,259 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 16:29:10,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 117 states and 143 transitions. [2022-10-17 16:29:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2022-10-17 16:29:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:29:10,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:10,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:10,975 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 16:29:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 123 states and 153 transitions. [2022-10-17 16:29:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2022-10-17 16:29:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:11,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:11,739 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 16:29:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 122 states and 152 transitions. [2022-10-17 16:29:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2022-10-17 16:29:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:11,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:12,186 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 16:29:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 126 states and 158 transitions. [2022-10-17 16:29:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2022-10-17 16:29:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:13,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:13,389 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 16:29:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 125 states and 157 transitions. [2022-10-17 16:29:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 157 transitions. [2022-10-17 16:29:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:29:13,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:13,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:13,640 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 16:29:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2022-10-17 16:29:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2022-10-17 16:29:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:13,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:14,073 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 16:29:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2022-10-17 16:29:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-10-17 16:29:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:15,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:15,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:15,882 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 16:29:15,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 132 states and 168 transitions. [2022-10-17 16:29:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2022-10-17 16:29:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:29:15,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:15,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:16,116 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 16:29:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 134 states and 170 transitions. [2022-10-17 16:29:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2022-10-17 16:29:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:29:16,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:16,188 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 16:29:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2022-10-17 16:29:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2022-10-17 16:29:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:29:16,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:16,407 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 16:29:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 132 states and 168 transitions. [2022-10-17 16:29:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2022-10-17 16:29:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:16,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:16,856 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 16:29:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 134 states and 172 transitions. [2022-10-17 16:29:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2022-10-17 16:29:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:17,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:17,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:17,199 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 16:29:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 138 states and 179 transitions. [2022-10-17 16:29:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2022-10-17 16:29:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:17,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:17,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:17,762 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 16:29:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 140 states and 182 transitions. [2022-10-17 16:29:18,505 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 182 transitions. [2022-10-17 16:29:18,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:29:18,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:18,828 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 16:29:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 142 states and 185 transitions. [2022-10-17 16:29:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 185 transitions. [2022-10-17 16:29:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:19,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:19,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:19,764 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 16:29:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 145 states and 189 transitions. [2022-10-17 16:29:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2022-10-17 16:29:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:20,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:20,525 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 16:29:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 144 states and 188 transitions. [2022-10-17 16:29:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 188 transitions. [2022-10-17 16:29:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:29:20,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:20,793 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 16:29:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 115 states and 142 transitions. [2022-10-17 16:29:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2022-10-17 16:29:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:20,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:20,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:21,175 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 16:29:22,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 147 transitions. [2022-10-17 16:29:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2022-10-17 16:29:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:22,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:22,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:22,522 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 16:29:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 119 states and 148 transitions. [2022-10-17 16:29:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2022-10-17 16:29:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:22,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:22,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:22,890 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 16:29:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 121 states and 152 transitions. [2022-10-17 16:29:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 152 transitions. [2022-10-17 16:29:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:29:23,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:29:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2022-10-17 16:29:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2022-10-17 16:29:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:24,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 171 transitions. [2022-10-17 16:29:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2022-10-17 16:29:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:29:26,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:29:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:28,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 138 states and 177 transitions. [2022-10-17 16:29:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2022-10-17 16:29:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:29:28,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:28,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:29:28,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:29:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:29:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:29:28,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:29:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:29:28,280 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 36 iterations. [2022-10-17 16:29:28,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:29:28 ImpRootNode [2022-10-17 16:29:28,316 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:29:28,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:29:28,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:29:28,317 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:29:28,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:05" (3/4) ... [2022-10-17 16:29:28,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 16:29:28,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:29:28,322 INFO L158 Benchmark]: Toolchain (without parser) took 24505.02ms. Allocated memory was 109.1MB in the beginning and 272.6MB in the end (delta: 163.6MB). Free memory was 61.3MB in the beginning and 212.8MB in the end (delta: -151.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:28,322 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:28,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.91ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 76.1MB in the end (delta: -15.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:29:28,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.24ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:28,324 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:28,324 INFO L158 Benchmark]: RCFGBuilder took 810.84ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 46.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 16:29:28,325 INFO L158 Benchmark]: CodeCheck took 23092.81ms. Allocated memory was 109.1MB in the beginning and 272.6MB in the end (delta: 163.6MB). Free memory was 46.0MB in the beginning and 212.8MB in the end (delta: -166.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:28,326 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 272.6MB. Free memory is still 212.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:28,329 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, 105 locations, 55 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2861 SdHoareTripleChecker+Valid, 17.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2141 mSDsluCounter, 2492 SdHoareTripleChecker+Invalid, 14.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1939 mSDsCounter, 2500 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7697 IncrementalHoareTripleChecker+Invalid, 10197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2500 mSolverCounterUnsat, 553 mSDtfsCounter, 7697 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2938 GetRequests, 2658 SyntacticMatches, 34 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25198 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 33 PerfectInterpolantSequences, 2/6 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: 1049]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1049. Possible FailurePath: [L1006] SLL* list = malloc(sizeof(SLL)); [L1007] list->next = ((void*)0) VAL [list={-1:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1034] end = ((void*)0) [L1035] end = list VAL [end={-1:0}, list={-1:0}] [L1038] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1039] EXPR end->colour VAL [end={-1:0}, end->colour=1, list={-1:0}] [L1039] COND FALSE !(!(BLACK == end->colour)) [L1041] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}] [L1043] EXPR end->colour VAL [end={-1:0}, end->colour=1, list={-1:0}] [L1043] COND FALSE !(RED == end->colour) [L1049] EXPR end->next VAL [end={-1:0}, end->next={0:0}, list={-1:0}] [L1049] COND TRUE !(end->next) [L1049] reach_error() VAL [end={-1:0}, list={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 109.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.91ms. Allocated memory is still 109.1MB. Free memory was 61.1MB in the beginning and 76.1MB in the end (delta: -15.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.24ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.15ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.84ms. Allocated memory is still 109.1MB. Free memory was 72.2MB in the beginning and 46.4MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 23092.81ms. Allocated memory was 109.1MB in the beginning and 272.6MB in the end (delta: 163.6MB). Free memory was 46.0MB in the beginning and 212.8MB in the end (delta: -166.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 272.6MB. Free memory is still 212.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 16:29:28,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/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_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/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 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 --- 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 16:29:30,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:30,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:30,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:30,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:30,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:30,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:30,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:30,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:30,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:30,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:30,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:30,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:30,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:30,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:30,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:30,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:30,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:30,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:30,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:30,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:30,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:30,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:30,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:30,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:30,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:30,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:30,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:30,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:31,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:31,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:31,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:31,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:31,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:31,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:31,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:31,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:31,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:31,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:31,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:31,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:31,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-10-17 16:29:31,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:31,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:31,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:31,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:31,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:31,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:31,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:29:31,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:31,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:31,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:31,066 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:29:31,067 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:29:31,067 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:29:31,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:31,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:29:31,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:29:31,068 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:29:31,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:31,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:31,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:31,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:31,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:31,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:31,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:31,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:31,070 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:29:31,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:29:31,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:29:31,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:29:31,071 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_5f0cc726-9147-4791-acdf-0f0648db24cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95643fe6222ef6bf06c5549a97aa2ed3c03be56764b1592b76d2122ae82e7069 [2022-10-17 16:29:31,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:31,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:31,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:31,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:31,552 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:31,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2022-10-17 16:29:31,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/6c69bf8bf/f629d5c277644d3d8fb025c9be3a4699/FLAG8037e6bf7 [2022-10-17 16:29:32,305 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:32,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-2.i [2022-10-17 16:29:32,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/6c69bf8bf/f629d5c277644d3d8fb025c9be3a4699/FLAG8037e6bf7 [2022-10-17 16:29:32,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0cc726-9147-4791-acdf-0f0648db24cc/bin/ukojak-92XMlrwhuB/data/6c69bf8bf/f629d5c277644d3d8fb025c9be3a4699 [2022-10-17 16:29:32,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:32,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:32,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:32,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:32,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:32,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:32" (1/1) ... [2022-10-17 16:29:32,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1754e1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:32, skipping insertion in model container [2022-10-17 16:29:32,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:32" (1/1) ... [2022-10-17 16:29:32,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:32,688 INFO L178 MainTranslator]: Built tables and reachable declarations