./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:20:19,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:20:19,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:20:19,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:20:19,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:20:19,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:20:19,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:20:19,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:20:19,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:20:19,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:20:19,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:20:19,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:20:19,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:20:19,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:20:19,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:20:19,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:20:19,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:20:19,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:20:19,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:20:19,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:20:19,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:20:19,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:20:19,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:20:19,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:20:19,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:20:19,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:20:19,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:20:19,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:20:19,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:20:19,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:20:19,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:20:19,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:20:19,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:20:19,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:20:19,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:20:19,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:20:19,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:20:19,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:20:19,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:20:19,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:20:19,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:20:19,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:20:19,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:20:19,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:20:19,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:20:19,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:20:19,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:20:19,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:20:19,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:20:19,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:20:19,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:20:19,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:20:19,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:20:19,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:20:19,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:20:19,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:20:19,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:20:19,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:20:19,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:20:19,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:20:19,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:20:19,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:20:19,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:20:19,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:19,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:20:19,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:20:19,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:20:19,296 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:20:19,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:20:19,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:20:19,297 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 17:20:19,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:20:19,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:20:19,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:20:19,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:20:19,636 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:20:19,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:20:22,680 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:20:22,909 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:20:22,910 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:20:22,923 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/77be61247/9c96143ac1dd40aaac4c2dc2ddee9808/FLAG3c179633a [2022-11-20 17:20:22,938 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/77be61247/9c96143ac1dd40aaac4c2dc2ddee9808 [2022-11-20 17:20:22,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:20:22,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:20:22,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:22,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:20:22,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:20:22,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:22" (1/1) ... [2022-11-20 17:20:22,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fed811b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:22, skipping insertion in model container [2022-11-20 17:20:22,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:22" (1/1) ... [2022-11-20 17:20:22,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:20:22,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:20:23,456 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:20:23,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:23,492 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:23,554 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:20:23,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:23,614 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:23,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23 WrapperNode [2022-11-20 17:20:23,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:23,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:23,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:23,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:23,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,697 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-11-20 17:20:23,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:23,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:23,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:23,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:23,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:23,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:23,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:23,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:23,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:23" (1/1) ... [2022-11-20 17:20:23,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:23,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:23,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:20:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:20:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:20:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:20:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:20:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:20:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:20:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:20:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:20:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:20:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:20:23,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:20:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:23,864 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 17:20:24,019 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:24,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:24,405 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:24,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:24,572 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:20:24,573 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 17:20:24,574 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 17:20:24,578 INFO L158 Benchmark]: Toolchain (without parser) took 1630.61ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 94.3MB in the end (delta: 35.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-20 17:20:24,579 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:24,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.84ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 125.1MB in the end (delta: 3.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:20:24,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.49ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:24,581 INFO L158 Benchmark]: Boogie Preprocessor took 59.92ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:24,582 INFO L158 Benchmark]: RCFGBuilder took 817.87ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 94.3MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 17:20:24,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.84ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 125.1MB in the end (delta: 3.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.49ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.92ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 120.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.87ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 94.3MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:20:24,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:20:27,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:20:27,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:20:27,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:20:27,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:20:27,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:20:27,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:20:27,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:20:27,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:20:27,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:20:27,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:20:27,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:20:27,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:20:27,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:20:27,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:20:27,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:20:27,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:20:27,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:20:27,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:20:27,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:20:27,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:20:27,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:20:27,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:20:27,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:20:27,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:20:27,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:20:27,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:20:27,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:20:27,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:20:27,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:20:27,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:20:27,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:20:27,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:20:27,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:20:27,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:20:27,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:20:27,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:20:27,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:20:27,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:20:27,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:20:27,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:20:27,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 17:20:27,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:20:27,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:20:27,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:20:27,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:20:27,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:20:27,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:20:27,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:20:27,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:20:27,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:20:27,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:20:27,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:20:27,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:20:27,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:20:27,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:20:27,299 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:20:27,299 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:20:27,299 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:20:27,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:20:27,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:20:27,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:20:27,300 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:20:27,300 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:20:27,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:20:27,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:27,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:20:27,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:20:27,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:20:27,301 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:20:27,302 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:20:27,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:20:27,302 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:20:27,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:20:27,303 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-20 17:20:27,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:20:27,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:20:27,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:20:27,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:20:27,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:20:27,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:20:30,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:20:31,083 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:20:31,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-20 17:20:31,096 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/b8970cb07/6781b258dba5419882c6ee5931e931b7/FLAGb0be36ee2 [2022-11-20 17:20:31,116 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/data/b8970cb07/6781b258dba5419882c6ee5931e931b7 [2022-11-20 17:20:31,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:20:31,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:20:31,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:31,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:20:31,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:20:31,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4036227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31, skipping insertion in model container [2022-11-20 17:20:31,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:20:31,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:20:31,639 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:20:31,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:31,674 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:31,715 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_0e1af4bc-7b99-451f-855f-c4d14fbea67a/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-20 17:20:31,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:31,760 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:31,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31 WrapperNode [2022-11-20 17:20:31,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:31,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:31,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:31,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:31,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,860 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-11-20 17:20:31,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:31,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:31,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:31,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:31,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:31,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:31,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:31,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:31,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:31" (1/1) ... [2022-11-20 17:20:31,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:31,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:32,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:20:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:20:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:20:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:20:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:20:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:20:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:20:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:20:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:20:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:20:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:20:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:20:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:20:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:32,047 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 17:20:32,236 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:32,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:32,654 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:32,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:32,821 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:20:32,821 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 17:20:32,822 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 17:20:32,827 INFO L158 Benchmark]: Toolchain (without parser) took 1704.84ms. Allocated memory is still 102.8MB. Free memory was 79.6MB in the beginning and 49.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-20 17:20:32,827 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:32,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.68ms. Allocated memory is still 102.8MB. Free memory was 79.4MB in the beginning and 58.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:20:32,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.15ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 82.8MB in the end (delta: -24.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-20 17:20:32,829 INFO L158 Benchmark]: Boogie Preprocessor took 76.74ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:32,830 INFO L158 Benchmark]: RCFGBuilder took 885.89ms. Allocated memory is still 102.8MB. Free memory was 80.7MB in the beginning and 49.9MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 17:20:32,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.68ms. Allocated memory is still 102.8MB. Free memory was 79.4MB in the beginning and 58.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.15ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 82.8MB in the end (delta: -24.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.74ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 885.89ms. Allocated memory is still 102.8MB. Free memory was 80.7MB in the beginning and 49.9MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:20:32,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e1af4bc-7b99-451f-855f-c4d14fbea67a/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?