./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4 --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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- 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-2329fc7 [2022-12-14 20:27:01,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:27:01,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:27:01,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:27:01,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:27:01,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:27:01,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:27:01,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:27:01,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:27:01,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:27:01,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:27:01,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:27:01,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:27:01,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:27:01,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:27:01,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:27:01,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:27:01,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:27:01,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:27:01,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:27:01,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:27:01,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:27:01,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:27:01,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:27:01,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:27:01,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:27:01,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:27:01,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:27:01,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:27:01,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:27:01,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:27:01,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:27:01,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:27:01,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:27:01,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:27:01,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:27:01,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:27:01,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:27:01,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:27:01,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:27:01,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:27:01,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 20:27:01,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:27:01,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:27:01,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:27:01,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:27:01,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:27:01,435 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:27:01,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:27:01,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:27:01,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:27:01,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:27:01,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:27:01,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:27:01,437 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:27:01,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:27:01,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:27:01,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:27:01,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:27:01,437 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:27:01,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:27:01,438 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2022-12-14 20:27:01,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:27:01,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:27:01,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:27:01,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:27:01,618 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:27:01,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:27:04,261 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:27:04,455 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:27:04,455 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:27:04,468 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/5afb9ad0a/23ab2ec16a454060af4d1e284ede93d4/FLAG7b77251a5 [2022-12-14 20:27:04,480 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/5afb9ad0a/23ab2ec16a454060af4d1e284ede93d4 [2022-12-14 20:27:04,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:27:04,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:27:04,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:27:04,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:27:04,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:27:04,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c83100f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04, skipping insertion in model container [2022-12-14 20:27:04,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:27:04,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:27:04,789 WARN L237 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:27:04,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:27:04,810 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:27:04,851 WARN L237 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:27:04,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:27:04,881 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:27:04,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04 WrapperNode [2022-12-14 20:27:04,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:27:04,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:27:04,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:27:04,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:27:04,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,925 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 174 [2022-12-14 20:27:04,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:27:04,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:27:04,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:27:04,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:27:04,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:27:04,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:27:04,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:27:04,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:27:04,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:04" (1/1) ... [2022-12-14 20:27:04,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:27:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:27:04,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:27:04,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:27:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:27:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:27:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:27:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:27:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:27:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:27:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:27:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:27:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:27:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:27:05,019 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:27:05,134 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:27:05,136 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:27:05,426 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:27:05,560 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:27:05,560 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:27:05,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:05 BoogieIcfgContainer [2022-12-14 20:27:05,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:27:05,563 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:27:05,563 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:27:05,571 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:27:05,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:05" (1/1) ... [2022-12-14 20:27:05,571 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:27:05,575 INFO L158 Benchmark]: Toolchain (without parser) took 1091.32ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 94.3MB in the end (delta: 17.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-14 20:27:05,575 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:27:05,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.75ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 90.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 20:27:05,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 88.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:27:05,577 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:27:05,577 INFO L158 Benchmark]: RCFGBuilder took 607.16ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 95.1MB in the end (delta: -9.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-12-14 20:27:05,578 INFO L158 Benchmark]: CodeCheck took 10.64ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 94.3MB in the end (delta: 823.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:27:05,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.75ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 90.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 88.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.16ms. Allocated memory is still 146.8MB. Free memory was 86.1MB in the beginning and 95.1MB in the end (delta: -9.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * CodeCheck took 10.64ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 94.3MB in the end (delta: 823.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:27:05,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4 --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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- 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-2329fc7 [2022-12-14 20:27:07,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:27:07,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:27:07,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:27:07,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:27:07,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:27:07,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:27:07,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:27:07,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:27:07,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:27:07,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:27:07,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:27:07,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:27:07,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:27:07,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:27:07,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:27:07,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:27:07,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:27:07,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:27:07,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:27:07,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:27:07,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:27:07,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:27:07,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:27:07,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:27:07,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:27:07,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:27:07,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:27:07,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:27:07,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:27:07,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:27:07,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:27:07,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:27:07,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:27:07,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:27:07,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:27:07,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:27:07,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:27:07,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:27:07,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:27:07,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:27:07,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 20:27:07,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:27:07,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:27:07,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:27:07,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:27:07,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:27:07,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:27:07,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:27:07,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:27:07,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:27:07,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:27:07,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:27:07,345 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:27:07,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:27:07,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:27:07,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:27:07,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:27:07,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:27:07,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:27:07,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:27:07,347 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2022-12-14 20:27:07,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:27:07,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:27:07,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:27:07,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:27:07,596 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:27:07,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:27:10,208 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:27:10,368 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:27:10,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:27:10,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/1db57ad68/b047efbb4f6743a6823867c555fe9160/FLAGc896afb23 [2022-12-14 20:27:10,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/data/1db57ad68/b047efbb4f6743a6823867c555fe9160 [2022-12-14 20:27:10,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:27:10,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:27:10,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:27:10,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:27:10,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:27:10,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d32f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10, skipping insertion in model container [2022-12-14 20:27:10,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:27:10,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:27:10,656 WARN L237 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:27:10,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:27:10,673 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:27:10,699 WARN L237 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_4798c05c-97b9-4aec-acb4-f2cde4c5a976/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:27:10,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:27:10,725 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:27:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10 WrapperNode [2022-12-14 20:27:10,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:27:10,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:27:10,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:27:10,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:27:10,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,760 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 171 [2022-12-14 20:27:10,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:27:10,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:27:10,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:27:10,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:27:10,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:27:10,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:27:10,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:27:10,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:27:10,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:10" (1/1) ... [2022-12-14 20:27:10,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:27:10,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:27:10,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:27:10,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:27:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:27:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:27:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 20:27:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:27:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:27:10,850 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:27:10,969 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:27:10,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:27:11,370 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:27:11,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:27:11,526 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:27:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:11 BoogieIcfgContainer [2022-12-14 20:27:11,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:27:11,529 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:27:11,529 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:27:11,536 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:27:11,536 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:11" (1/1) ... [2022-12-14 20:27:11,537 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:27:11,540 INFO L158 Benchmark]: Toolchain (without parser) took 1146.99ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 41.3MB in the end (delta: 10.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,540 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:27:11,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.21ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.94ms. Allocated memory is still 75.5MB. Free memory was 46.8MB in the beginning and 44.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,541 INFO L158 Benchmark]: Boogie Preprocessor took 21.76ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,542 INFO L158 Benchmark]: RCFGBuilder took 745.54ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 42.5MB in the end (delta: -455.6kB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,542 INFO L158 Benchmark]: CodeCheck took 10.08ms. Allocated memory is still 75.5MB. Free memory was 42.5MB in the beginning and 41.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:27:11,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.21ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 46.8MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.94ms. Allocated memory is still 75.5MB. Free memory was 46.8MB in the beginning and 44.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.76ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.54ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 42.5MB in the end (delta: -455.6kB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * CodeCheck took 10.08ms. Allocated memory is still 75.5MB. Free memory was 42.5MB in the beginning and 41.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:27:11,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4798c05c-97b9-4aec-acb4-f2cde4c5a976/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported