./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- 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 17:13:18,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:13:18,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:13:18,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:13:18,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:13:18,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:13:18,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:13:18,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:13:18,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:13:18,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:13:18,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:13:18,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:13:18,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:13:18,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:13:18,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:13:18,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:13:18,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:13:18,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:13:18,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:13:18,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:13:18,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:13:18,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:13:18,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:13:18,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:13:18,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:13:18,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:13:18,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:13:18,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:13:18,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:13:18,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:13:18,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:13:18,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:13:18,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:13:18,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:13:19,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:13:19,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:13:19,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:13:19,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:13:19,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:13:19,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:13:19,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:13:19,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:13:19,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:13:19,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:13:19,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:13:19,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:13:19,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:13:19,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:13:19,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:13:19,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:13:19,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:13:19,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:13:19,035 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:13:19,036 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:13:19,036 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:13:19,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:13:19,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:13:19,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:13:19,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:13:19,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:13:19,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:13:19,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:19,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:13:19,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:13:19,039 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:13:19,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:13:19,039 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2022-11-20 17:13:19,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:13:19,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:13:19,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:13:19,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:13:19,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:13:19,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-11-20 17:13:22,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:13:22,609 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:13:22,610 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-11-20 17:13:22,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/5e6562f62/22a98d9f69e74880bb1424be9743b682/FLAG9e187f415 [2022-11-20 17:13:22,637 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/5e6562f62/22a98d9f69e74880bb1424be9743b682 [2022-11-20 17:13:22,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:13:22,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:13:22,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:22,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:13:22,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:13:22,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:22" (1/1) ... [2022-11-20 17:13:22,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce0e56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:22, skipping insertion in model container [2022-11-20 17:13:22,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:22" (1/1) ... [2022-11-20 17:13:22,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:13:22,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:13:23,074 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-11-20 17:13:23,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:23,110 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:13:23,180 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-11-20 17:13:23,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:23,230 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:13:23,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23 WrapperNode [2022-11-20 17:13:23,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:23,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:23,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:13:23,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:13:23,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,284 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 189 [2022-11-20 17:13:23,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:23,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:13:23,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:13:23,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:13:23,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:13:23,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:13:23,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:13:23,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:13:23,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:23" (1/1) ... [2022-11-20 17:13:23,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:23,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:13:23,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:13:23,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:13:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:13:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:13:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:13:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:13:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:13:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:13:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:13:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:13:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:13:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:13:23,413 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 17:13:23,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:13:23,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:13:24,179 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:13:24,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:13:24,556 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:13:24,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:24 BoogieIcfgContainer [2022-11-20 17:13:24,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:13:24,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:13:24,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:13:24,576 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:13:24,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:24" (1/1) ... [2022-11-20 17:13:24,577 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 17:13:24,586 INFO L158 Benchmark]: Toolchain (without parser) took 1944.30ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 114.1MB in the beginning and 136.1MB in the end (delta: -22.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,587 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 155.2MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:24,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.37ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 93.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 91.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,590 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,591 INFO L158 Benchmark]: RCFGBuilder took 1245.63ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 88.9MB in the beginning and 137.2MB in the end (delta: -48.3MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,592 INFO L158 Benchmark]: CodeCheck took 19.54ms. Allocated memory is still 207.6MB. Free memory was 137.2MB in the beginning and 136.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:24,603 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 0.62ms. Allocated memory is still 155.2MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.37ms. Allocated memory is still 155.2MB. Free memory was 114.1MB in the beginning and 93.4MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 91.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.87ms. Allocated memory is still 155.2MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1245.63ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 88.9MB in the beginning and 137.2MB in the end (delta: -48.3MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * CodeCheck took 19.54ms. Allocated memory is still 207.6MB. Free memory was 137.2MB in the beginning and 136.1MB 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 17:13:24,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- 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 17:13:27,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:13:27,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:13:27,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:13:27,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:13:27,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:13:27,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:13:27,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:13:27,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:13:27,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:13:27,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:13:27,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:13:27,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:13:27,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:13:27,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:13:27,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:13:27,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:13:27,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:13:27,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:13:27,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:13:27,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:13:27,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:13:27,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:13:27,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:13:27,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:13:27,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:13:27,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:13:27,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:13:27,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:13:27,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:13:27,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:13:27,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:13:27,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:13:27,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:13:27,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:13:27,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:13:27,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:13:27,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:13:27,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:13:27,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:13:27,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:13:27,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 17:13:27,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:13:27,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:13:27,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:13:27,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:13:27,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:13:27,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:13:27,190 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:13:27,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:13:27,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:13:27,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:13:27,191 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:13:27,192 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:13:27,192 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:13:27,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:13:27,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:13:27,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:13:27,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:13:27,193 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:13:27,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:13:27,194 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:13:27,194 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:13:27,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:13:27,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:27,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:13:27,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:13:27,195 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:13:27,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:13:27,196 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:13:27,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:13:27,196 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2022-11-20 17:13:27,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:13:27,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:13:27,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:13:27,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:13:27,645 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:13:27,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-11-20 17:13:30,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:13:31,067 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:13:31,068 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2022-11-20 17:13:31,093 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/a46600951/b9298bcf1a184a0a8ef6cd1f82ed8b76/FLAG245fcd0b2 [2022-11-20 17:13:31,107 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/data/a46600951/b9298bcf1a184a0a8ef6cd1f82ed8b76 [2022-11-20 17:13:31,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:13:31,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:13:31,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:31,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:13:31,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:13:31,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570162f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31, skipping insertion in model container [2022-11-20 17:13:31,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:13:31,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:13:31,614 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-11-20 17:13:31,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:31,655 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:13:31,719 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_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2022-11-20 17:13:31,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:31,776 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:13:31,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31 WrapperNode [2022-11-20 17:13:31,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:31,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:31,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:13:31,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:13:31,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,889 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 186 [2022-11-20 17:13:31,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:31,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:13:31,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:13:31,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:13:31,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:13:31,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:13:31,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:13:31,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:13:31,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:31" (1/1) ... [2022-11-20 17:13:31,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:31,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:13:31,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:13:31,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:13:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:13:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:13:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:13:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:13:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:13:32,027 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 17:13:32,174 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:13:32,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:13:32,917 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:13:33,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:13:33,305 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:13:33,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:33 BoogieIcfgContainer [2022-11-20 17:13:33,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:13:33,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:13:33,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:13:33,319 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:13:33,319 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:33" (1/1) ... [2022-11-20 17:13:33,320 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 17:13:33,326 INFO L158 Benchmark]: Toolchain (without parser) took 2213.58ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 66.4MB in the beginning and 103.5MB in the end (delta: -37.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:13:33,327 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:33,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.83ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 44.7MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:13:33,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.24ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 69.1MB in the end (delta: -24.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-20 17:13:33,330 INFO L158 Benchmark]: Boogie Preprocessor took 55.41ms. Allocated memory is still 90.2MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:33,330 INFO L158 Benchmark]: RCFGBuilder took 1361.22ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 67.1MB in the beginning and 104.5MB in the end (delta: -37.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:33,331 INFO L158 Benchmark]: CodeCheck took 15.07ms. Allocated memory is still 130.0MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 965.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:33,341 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 90.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.83ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 44.7MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.24ms. Allocated memory is still 90.2MB. Free memory was 44.7MB in the beginning and 69.1MB in the end (delta: -24.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.41ms. Allocated memory is still 90.2MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1361.22ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 67.1MB in the beginning and 104.5MB in the end (delta: -37.4MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * CodeCheck took 15.07ms. Allocated memory is still 130.0MB. Free memory was 104.5MB in the beginning and 103.5MB in the end (delta: 965.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:13:33,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967c75e1-f9ea-4e5a-a2fc-1ff6fe634aa4/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