./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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-6b4ec56 [2022-11-20 16:44:49,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:49,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:49,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:49,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:49,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:49,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:49,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:49,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:49,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:49,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:49,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:49,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:49,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:49,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:49,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:49,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:49,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:49,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:49,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:49,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:49,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:49,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:49,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:49,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:49,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:49,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:49,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:49,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:49,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:49,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:49,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:49,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:49,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:49,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:49,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:49,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:49,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:49,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:49,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:49,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:49,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 16:44:49,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:49,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:49,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:49,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:49,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:49,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:44:49,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:49,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:49,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:44:49,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:49,483 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:44:49,483 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:44:49,483 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:44:49,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:49,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:44:49,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:49,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:49,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:49,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:49,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:49,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:49,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:49,486 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:44:49,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:44:49,486 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_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-20 16:44:49,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:49,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:49,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:49,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:49,813 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:49,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-20 16:44:53,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:44:53,323 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:44:53,336 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i [2022-11-20 16:44:53,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/216995cab/c7e66fcbf4bd4bb98aac9453cd37a898/FLAGe3c740b78 [2022-11-20 16:44:53,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/216995cab/c7e66fcbf4bd4bb98aac9453cd37a898 [2022-11-20 16:44:53,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:44:53,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:44:53,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:53,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:44:53,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:44:53,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:53" (1/1) ... [2022-11-20 16:44:53,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421ff4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:53, skipping insertion in model container [2022-11-20 16:44:53,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:53" (1/1) ... [2022-11-20 16:44:53,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:44:53,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:44:53,950 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_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 16:44:53,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:54,013 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:44:54,051 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_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 16:44:54,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:54,129 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:44:54,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54 WrapperNode [2022-11-20 16:44:54,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:54,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:54,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:44:54,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:44:54,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,213 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 159 [2022-11-20 16:44:54,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:54,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:44:54,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:44:54,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:44:54,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,267 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:44:54,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:44:54,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:44:54,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:44:54,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:54,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:44:54,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:44:54,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:44:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:44:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:44:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:44:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:44:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:44:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:44:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:44:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:44:54,360 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:44:54,504 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:44:54,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:44:54,961 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:44:54,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:44:54,970 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:44:54,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:54 BoogieIcfgContainer [2022-11-20 16:44:54,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:44:54,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:44:54,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:44:54,984 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:44:54,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:54" (1/1) ... [2022-11-20 16:44:54,986 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) [2022-11-20 16:44:54,990 INFO L158 Benchmark]: Toolchain (without parser) took 1614.22ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 137.6MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:54,990 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 136.3MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:54,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.01ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 99.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 16:44:54,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.72ms. Allocated memory is still 176.2MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:44:54,993 INFO L158 Benchmark]: Boogie Preprocessor took 56.12ms. Allocated memory is still 176.2MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:44:54,993 INFO L158 Benchmark]: RCFGBuilder took 700.64ms. Allocated memory is still 176.2MB. Free memory was 94.3MB in the beginning and 138.7MB in the end (delta: -44.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-20 16:44:54,994 INFO L158 Benchmark]: CodeCheck took 14.57ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 137.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:44:54,997 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 0.52ms. Allocated memory is still 136.3MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.01ms. Allocated memory is still 176.2MB. Free memory was 128.5MB in the beginning and 99.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.72ms. Allocated memory is still 176.2MB. Free memory was 99.1MB in the beginning and 96.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.12ms. Allocated memory is still 176.2MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.64ms. Allocated memory is still 176.2MB. Free memory was 94.3MB in the beginning and 138.7MB in the end (delta: -44.4MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * CodeCheck took 14.57ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 137.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:44:55,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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-6b4ec56 [2022-11-20 16:44:57,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:57,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:57,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:57,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:57,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:57,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:57,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:57,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:57,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:57,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:57,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:57,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:57,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:57,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:57,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:57,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:57,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:57,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:57,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:57,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:57,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:57,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:57,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:57,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:57,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:57,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:57,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:57,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:57,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:57,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:57,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:57,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:57,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:57,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:57,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:57,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:57,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:57,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:57,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:57,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:57,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 16:44:57,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:57,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:57,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:57,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:57,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:57,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:44:57,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:57,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:57,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:44:57,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:57,736 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:44:57,737 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:44:57,737 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:44:57,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:57,737 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:44:57,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:44:57,738 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:44:57,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:44:57,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:57,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:57,739 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:57,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:57,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:57,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:57,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:57,741 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:44:57,741 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:44:57,741 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:44:57,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:44:57,742 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_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-20 16:44:58,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:58,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:58,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:58,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:58,214 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:58,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-20 16:45:01,484 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:01,849 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:01,850 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i [2022-11-20 16:45:01,863 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/16e1fd4e9/53e7e71fe2f14345a09eb0cb58afefbd/FLAGb6c016bff [2022-11-20 16:45:01,882 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/data/16e1fd4e9/53e7e71fe2f14345a09eb0cb58afefbd [2022-11-20 16:45:01,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:01,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:01,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:01,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:01,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:01,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:01" (1/1) ... [2022-11-20 16:45:01,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9351f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:01, skipping insertion in model container [2022-11-20 16:45:01,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:01" (1/1) ... [2022-11-20 16:45:01,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:01,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:02,593 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_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 16:45:02,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:02,663 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:02,726 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_eccefec4-fa58-4a82-947a-a456a5e813d2/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 16:45:02,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:02,889 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:02,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02 WrapperNode [2022-11-20 16:45:02,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:02,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:02,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:02,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:02,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:02,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:02,991 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 155 [2022-11-20 16:45:02,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:02,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:02,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:02,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:03,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:03,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:03,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:03,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:03,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:02" (1/1) ... [2022-11-20 16:45:03,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:03,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:03,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:03,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:45:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:45:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:45:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:45:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:45:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:45:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:45:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:45:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:45:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:45:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:45:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:45:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:03,120 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:45:03,270 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:03,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:03,718 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:03,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:03,727 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:45:03,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:03 BoogieIcfgContainer [2022-11-20 16:45:03,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:03,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:03,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:03,741 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:03,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:03" (1/1) ... [2022-11-20 16:45:03,742 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) [2022-11-20 16:45:03,746 INFO L158 Benchmark]: Toolchain (without parser) took 1850.73ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 57.7MB in the beginning and 66.2MB in the end (delta: -8.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:03,747 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:03,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.43ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 48.2MB in the end (delta: 9.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:03,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.54ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 45.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:03,749 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:03,750 INFO L158 Benchmark]: RCFGBuilder took 701.44ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 67.2MB in the end (delta: -23.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:03,750 INFO L158 Benchmark]: CodeCheck took 14.50ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 66.2MB in the end (delta: 962.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:03,753 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 0.30ms. Allocated memory is still 81.8MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.43ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 48.2MB in the end (delta: 9.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.54ms. Allocated memory is still 81.8MB. Free memory was 48.2MB in the beginning and 45.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.44ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 43.4MB in the beginning and 67.2MB in the end (delta: -23.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 14.50ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 66.2MB in the end (delta: 962.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:45:03,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eccefec4-fa58-4a82-947a-a456a5e813d2/bin/ukojak-pZX7IvK2PQ/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