./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:55:48,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:55:48,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:55:48,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:55:48,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:55:48,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:55:48,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:55:48,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:55:48,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:55:48,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:55:48,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:55:48,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:55:48,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:55:48,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:55:48,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:55:48,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:55:48,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:55:48,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:55:48,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:55:48,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:55:48,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:55:48,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:55:48,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:55:48,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:55:48,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:55:48,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:55:48,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:55:48,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:55:48,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:55:48,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:55:48,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:55:49,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:55:49,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:55:49,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:55:49,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:55:49,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:55:49,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:55:49,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:55:49,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:55:49,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:55:49,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:55:49,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 20:55:49,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:55:49,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:55:49,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:55:49,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:55:49,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:55:49,033 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:55:49,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:55:49,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:55:49,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:55:49,035 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:55:49,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:55:49,035 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:55:49,035 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:55:49,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:55:49,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:55:49,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:55:49,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:55:49,036 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:55:49,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:55:49,036 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_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-12-14 20:55:49,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:55:49,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:55:49,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:55:49,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:55:49,253 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:55:49,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-12-14 20:55:51,838 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:55:52,060 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:55:52,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-12-14 20:55:52,076 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/9447d2de5/6805ecc731dc4517af9037e28b3f7ba3/FLAGb8c5f19d5 [2022-12-14 20:55:52,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/9447d2de5/6805ecc731dc4517af9037e28b3f7ba3 [2022-12-14 20:55:52,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:55:52,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:55:52,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:55:52,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:55:52,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:55:52,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52, skipping insertion in model container [2022-12-14 20:55:52,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:55:52,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:55:52,350 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_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-12-14 20:55:52,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:55:52,365 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:55:52,394 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_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-12-14 20:55:52,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:55:52,419 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:55:52,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52 WrapperNode [2022-12-14 20:55:52,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:55:52,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:55:52,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:55:52,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:55:52,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,453 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 189 [2022-12-14 20:55:52,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:55:52,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:55:52,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:55:52,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:55:52,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:55:52,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:55:52,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:55:52,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:55:52,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:52" (1/1) ... [2022-12-14 20:55:52,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:55:52,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:55:52,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:55:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:55:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:55:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:55:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:55:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:55:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:55:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:55:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:55:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:55:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:55:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:55:52,558 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:55:52,671 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:55:52,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:55:52,991 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:55:53,122 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:55:53,122 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:55:53,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:55:53 BoogieIcfgContainer [2022-12-14 20:55:53,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:55:53,124 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:55:53,124 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:55:53,133 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:55:53,133 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:55:53" (1/1) ... [2022-12-14 20:55:53,134 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:55:53,137 INFO L158 Benchmark]: Toolchain (without parser) took 1044.16ms. Allocated memory is still 207.6MB. Free memory was 138.7MB in the beginning and 122.3MB in the end (delta: 16.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-12-14 20:55:53,138 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 207.6MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:55:53,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.06ms. Allocated memory is still 207.6MB. Free memory was 138.4MB in the beginning and 118.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:55:53,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.24ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 115.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:55:53,140 INFO L158 Benchmark]: Boogie Preprocessor took 22.25ms. Allocated memory is still 207.6MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:55:53,140 INFO L158 Benchmark]: RCFGBuilder took 647.31ms. Allocated memory is still 207.6MB. Free memory was 113.5MB in the beginning and 122.7MB in the end (delta: -9.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 20:55:53,141 INFO L158 Benchmark]: CodeCheck took 11.32ms. Allocated memory is still 207.6MB. Free memory was 122.7MB in the beginning and 122.3MB in the end (delta: 426.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:55:53,144 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 0.19ms. Allocated memory is still 207.6MB. Free memory is still 181.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.06ms. Allocated memory is still 207.6MB. Free memory was 138.4MB in the beginning and 118.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.24ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 115.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.25ms. Allocated memory is still 207.6MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.31ms. Allocated memory is still 207.6MB. Free memory was 113.5MB in the beginning and 122.7MB in the end (delta: -9.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11.32ms. Allocated memory is still 207.6MB. Free memory was 122.7MB in the beginning and 122.3MB in the end (delta: 426.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:55:53,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:55:54,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:55:54,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:55:54,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:55:54,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:55:54,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:55:54,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:55:54,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:55:54,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:55:54,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:55:54,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:55:54,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:55:54,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:55:54,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:55:54,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:55:54,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:55:54,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:55:54,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:55:54,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:55:54,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:55:54,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:55:54,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:55:54,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:55:54,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:55:54,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:55:54,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:55:54,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:55:54,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:55:54,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:55:54,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:55:54,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:55:54,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:55:54,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:55:54,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:55:54,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:55:54,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:55:54,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:55:54,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:55:54,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:55:54,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:55:54,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:55:54,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 20:55:54,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:55:54,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:55:54,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:55:54,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:55:54,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:55:54,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:55:54,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:55:54,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:55:54,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:55:54,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:55:54,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:55:54,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:55:54,948 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:55:54,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:55:54,948 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:55:54,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:55:54,948 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_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-12-14 20:55:55,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:55:55,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:55:55,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:55:55,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:55:55,221 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:55:55,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-12-14 20:55:57,799 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:55:57,971 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:55:57,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-12-14 20:55:57,981 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/433abf082/d7924e60b5bf47a6a524f02fa45adefc/FLAGbf0109380 [2022-12-14 20:55:57,992 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/data/433abf082/d7924e60b5bf47a6a524f02fa45adefc [2022-12-14 20:55:57,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:55:57,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:55:57,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:55:57,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:55:57,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:55:57,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:55:57" (1/1) ... [2022-12-14 20:55:58,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f7f296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58, skipping insertion in model container [2022-12-14 20:55:58,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:55:57" (1/1) ... [2022-12-14 20:55:58,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:55:58,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:55:58,259 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_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-12-14 20:55:58,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:55:58,281 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:55:58,321 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_727ad917-e8af-43e1-b921-26293b22f19e/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-12-14 20:55:58,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:55:58,363 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:55:58,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58 WrapperNode [2022-12-14 20:55:58,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:55:58,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:55:58,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:55:58,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:55:58,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,414 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 186 [2022-12-14 20:55:58,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:55:58,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:55:58,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:55:58,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:55:58,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:55:58,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:55:58,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:55:58,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:55:58,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:55:58" (1/1) ... [2022-12-14 20:55:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:55:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:55:58,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:55:58,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:55:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 20:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:55:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:55:58,505 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:55:58,627 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:55:58,629 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:55:59,065 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:55:59,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:55:59,278 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:55:59,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:55:59 BoogieIcfgContainer [2022-12-14 20:55:59,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:55:59,281 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:55:59,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:55:59,290 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:55:59,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:55:59" (1/1) ... [2022-12-14 20:55:59,291 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:55:59,294 INFO L158 Benchmark]: Toolchain (without parser) took 1298.12ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.6MB in the beginning and 44.2MB in the end (delta: -7.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-14 20:55:59,295 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:55:59,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.26ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.3MB in the beginning and 52.1MB in the end (delta: -15.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-12-14 20:55:59,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.98ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:55:59,297 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 47.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:55:59,298 INFO L158 Benchmark]: RCFGBuilder took 833.39ms. Allocated memory is still 81.8MB. Free memory was 47.6MB in the beginning and 45.4MB in the end (delta: 2.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-14 20:55:59,298 INFO L158 Benchmark]: CodeCheck took 11.26ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:55:59,302 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 0.16ms. Allocated memory is still 65.0MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.26ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.3MB in the beginning and 52.1MB in the end (delta: -15.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.98ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 81.8MB. Free memory was 49.7MB in the beginning and 47.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.39ms. Allocated memory is still 81.8MB. Free memory was 47.6MB in the beginning and 45.4MB in the end (delta: 2.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * CodeCheck took 11.26ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:55:59,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ad917-e8af-43e1-b921-26293b22f19e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported