./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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 18:01:29,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:01:29,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:01:29,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:01:29,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:01:29,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:01:29,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:01:29,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:01:29,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:01:29,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:01:29,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:01:29,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:01:29,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:01:29,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:01:29,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:01:29,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:01:29,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:01:29,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:01:29,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:01:29,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:01:29,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:01:29,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:01:29,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:01:29,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:01:29,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:01:29,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:01:29,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:01:29,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:01:29,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:01:29,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:01:29,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:01:29,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:01:29,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:01:29,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:01:29,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:01:29,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:01:29,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:01:29,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:01:29,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:01:29,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:01:29,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:01:29,263 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:01:29,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:01:29,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:01:29,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:01:29,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:01:29,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:01:29,303 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:01:29,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:01:29,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:01:29,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:01:29,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:01:29,305 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:01:29,306 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:01:29,306 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:01:29,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:01:29,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:01:29,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:01:29,307 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:01:29,307 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:01:29,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:01:29,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:29,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:01:29,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:01:29,308 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:01:29,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:01:29,309 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 18:01:29,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:01:29,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:01:29,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:01:29,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:01:29,578 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:01:29,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 18:01:32,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:01:33,144 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:01:33,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 18:01:33,174 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/a4361b89d/15cf5603ff9a49b8879d2b5c1a846943/FLAG89420e061 [2022-11-20 18:01:33,188 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/a4361b89d/15cf5603ff9a49b8879d2b5c1a846943 [2022-11-20 18:01:33,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:01:33,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:01:33,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:33,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:01:33,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:01:33,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c4706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33, skipping insertion in model container [2022-11-20 18:01:33,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:01:33,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:01:33,704 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 18:01:33,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:33,738 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:01:33,816 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 18:01:33,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:33,858 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:01:33,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33 WrapperNode [2022-11-20 18:01:33,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:33,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:33,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:01:33,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:01:33,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,926 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 189 [2022-11-20 18:01:33,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:33,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:01:33,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:01:33,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:01:33,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:01:33,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:01:33,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:01:33,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:01:33,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:33" (1/1) ... [2022-11-20 18:01:33,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:33,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:01:33,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:01:34,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:01:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:01:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 18:01:34,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 18:01:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:01:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:01:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:01:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:01:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:01:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:01:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:01:34,034 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 18:01:34,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:01:34,261 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:01:34,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:01:35,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:01:35,137 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:01:35,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:35 BoogieIcfgContainer [2022-11-20 18:01:35,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:01:35,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:01:35,141 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:01:35,151 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:01:35,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:35" (1/1) ... [2022-11-20 18:01:35,152 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 18:01:35,156 INFO L158 Benchmark]: Toolchain (without parser) took 1963.20ms. Allocated memory is still 203.4MB. Free memory was 168.5MB in the beginning and 156.6MB in the end (delta: 11.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,157 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:01:35,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.21ms. Allocated memory is still 203.4MB. Free memory was 167.8MB in the beginning and 147.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.18ms. Allocated memory is still 203.4MB. Free memory was 147.7MB in the beginning and 144.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,159 INFO L158 Benchmark]: Boogie Preprocessor took 31.20ms. Allocated memory is still 203.4MB. Free memory was 144.8MB in the beginning and 142.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,159 INFO L158 Benchmark]: RCFGBuilder took 1180.35ms. Allocated memory is still 203.4MB. Free memory was 142.8MB in the beginning and 157.7MB in the end (delta: -14.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,160 INFO L158 Benchmark]: CodeCheck took 14.37ms. Allocated memory is still 203.4MB. Free memory was 157.7MB in the beginning and 156.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:35,163 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 0.50ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.21ms. Allocated memory is still 203.4MB. Free memory was 167.8MB in the beginning and 147.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.18ms. Allocated memory is still 203.4MB. Free memory was 147.7MB in the beginning and 144.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.20ms. Allocated memory is still 203.4MB. Free memory was 144.8MB in the beginning and 142.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.35ms. Allocated memory is still 203.4MB. Free memory was 142.8MB in the beginning and 157.7MB in the end (delta: -14.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * CodeCheck took 14.37ms. Allocated memory is still 203.4MB. Free memory was 157.7MB in the beginning and 156.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:01:35,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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 18:01:37,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:01:37,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:01:37,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:01:37,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:01:37,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:01:37,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:01:37,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:01:37,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:01:37,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:01:37,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:01:37,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:01:37,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:01:37,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:01:37,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:01:37,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:01:37,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:01:37,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:01:37,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:01:37,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:01:37,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:01:37,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:01:37,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:01:37,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:01:37,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:01:37,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:01:37,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:01:37,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:01:37,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:01:37,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:01:37,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:01:37,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:01:37,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:01:37,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:01:37,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:01:37,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:01:37,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:01:37,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:01:37,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:01:37,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:01:37,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:01:37,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 18:01:37,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:01:37,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:01:37,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:01:37,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:01:37,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:01:37,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:01:37,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:01:37,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:01:37,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:01:37,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:01:37,735 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:01:37,735 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:01:37,736 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:01:37,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:01:37,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:01:37,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:01:37,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:01:37,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:01:37,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:01:37,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:01:37,738 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:01:37,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:01:37,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:37,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:01:37,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:01:37,739 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:01:37,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:01:37,740 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:01:37,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:01:37,740 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 18:01:38,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:01:38,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:01:38,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:01:38,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:01:38,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:01:38,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 18:01:41,369 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:01:41,626 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:01:41,627 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 18:01:41,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/27a06ffa5/8adb2f50d32643aa8f63db258904c031/FLAGa8ed6bc3b [2022-11-20 18:01:41,671 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/data/27a06ffa5/8adb2f50d32643aa8f63db258904c031 [2022-11-20 18:01:41,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:01:41,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:01:41,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:41,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:01:41,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:01:41,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:41" (1/1) ... [2022-11-20 18:01:41,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ad4abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:41, skipping insertion in model container [2022-11-20 18:01:41,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:01:41" (1/1) ... [2022-11-20 18:01:41,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:01:41,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:01:42,222 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 18:01:42,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:42,253 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:01:42,289 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_9d963c9b-f564-4b22-bab5-805c03dbe3a8/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 18:01:42,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:01:42,352 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:01:42,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42 WrapperNode [2022-11-20 18:01:42,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:01:42,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:42,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:01:42,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:01:42,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,411 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 186 [2022-11-20 18:01:42,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:01:42,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:01:42,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:01:42,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:01:42,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,455 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:01:42,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:01:42,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:01:42,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:01:42,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:01:42" (1/1) ... [2022-11-20 18:01:42,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:01:42,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:01:42,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:01:42,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 18:01:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:01:42,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:01:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:01:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 18:01:42,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:01:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:01:42,570 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 18:01:42,718 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:01:42,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:01:43,442 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:01:43,832 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:01:43,832 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:01:43,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:43 BoogieIcfgContainer [2022-11-20 18:01:43,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:01:43,836 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:01:43,836 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:01:43,845 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:01:43,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:01:43" (1/1) ... [2022-11-20 18:01:43,847 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 18:01:43,852 INFO L158 Benchmark]: Toolchain (without parser) took 2174.30ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.6MB in the beginning and 60.9MB in the end (delta: -12.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:43,853 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:01:43,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.34ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 48.7MB in the end (delta: -356.7kB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-20 18:01:43,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.22ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:43,855 INFO L158 Benchmark]: Boogie Preprocessor took 62.41ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:01:43,856 INFO L158 Benchmark]: RCFGBuilder took 1360.42ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 61.5MB in the end (delta: -17.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-20 18:01:43,857 INFO L158 Benchmark]: CodeCheck took 15.03ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 634.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:01:43,866 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 0.28ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.34ms. Allocated memory is still 73.4MB. Free memory was 48.3MB in the beginning and 48.7MB in the end (delta: -356.7kB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.22ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.41ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1360.42ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 43.9MB in the beginning and 61.5MB in the end (delta: -17.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * CodeCheck took 15.03ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 60.9MB in the end (delta: 634.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:01:43,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d963c9b-f564-4b22-bab5-805c03dbe3a8/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