./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/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_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- 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 [2022-12-15 02:32:56,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:32:56,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:32:56,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:32:56,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:32:56,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:32:56,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:32:56,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:32:56,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:32:56,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:32:56,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:32:56,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:32:56,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:32:56,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:32:56,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:32:56,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:32:56,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:32:56,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:32:56,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:32:56,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:32:56,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:32:56,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:32:56,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:32:56,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:32:56,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:32:56,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:32:56,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:32:56,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:32:56,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:32:56,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:32:56,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:32:56,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:32:56,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:32:56,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:32:56,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:32:56,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:32:56,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:32:56,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:32:56,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:32:56,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:32:56,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:32:56,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:32:56,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:32:56,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:32:56,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:32:56,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:32:56,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:32:56,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:32:56,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:32:56,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:32:56,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:32:56,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:32:56,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:32:56,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:32:56,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:32:56,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:32:56,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:32:56,612 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:32:56,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:32:56,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:32:56,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:32:56,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:32:56,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:32:56,613 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:32:56,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:32:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:32:56,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:32:56,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:32:56,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:32:56,614 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:32:56,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:32:56,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:32:56,614 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_0302941c-19e9-4460-9840-b0125e4b616f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2022-12-15 02:32:56,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:32:56,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:32:56,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:32:56,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:32:56,828 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:32:56,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-12-15 02:32:59,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:32:59,556 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:32:59,556 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-12-15 02:32:59,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/584690a32/6d113a77cbde48a89f17e058bf1dfe91/FLAG6704022ab [2022-12-15 02:32:59,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/584690a32/6d113a77cbde48a89f17e058bf1dfe91 [2022-12-15 02:32:59,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:32:59,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:32:59,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:32:59,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:32:59,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:32:59,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac1ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59, skipping insertion in model container [2022-12-15 02:32:59,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:32:59,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:32:59,824 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_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-12-15 02:32:59,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:32:59,838 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:32:59,866 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_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-12-15 02:32:59,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:32:59,891 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:32:59,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59 WrapperNode [2022-12-15 02:32:59,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:32:59,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:32:59,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:32:59,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:32:59,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,924 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-12-15 02:32:59,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:32:59,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:32:59,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:32:59,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:32:59,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:32:59,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:32:59,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:32:59,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:32:59,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:32:59" (1/1) ... [2022-12-15 02:32:59,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:32:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:32:59,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:32:59,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:32:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:32:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:32:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:32:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:32:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:32:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:32:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:32:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:32:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:32:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:32:59,998 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:33:00,098 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:33:00,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:33:00,322 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:33:00,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:33:00,381 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:33:00,382 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:33:00,382 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 02:33:00,385 INFO L158 Benchmark]: Toolchain (without parser) took 807.43ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 68.7MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-12-15 02:33:00,386 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:33:00,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.59ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 99.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:33:00,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.88ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:00,387 INFO L158 Benchmark]: Boogie Preprocessor took 20.81ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:00,387 INFO L158 Benchmark]: RCFGBuilder took 438.53ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 68.7MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 02:33:00,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.59ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 99.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.88ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.81ms. Allocated memory is still 153.1MB. Free memory was 96.9MB in the beginning and 95.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.53ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 68.7MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. 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. [2022-12-15 02:33:00,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/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_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/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_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- 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 [2022-12-15 02:33:02,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:33:02,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:33:02,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:33:02,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:33:02,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:33:02,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:33:02,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:33:02,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:33:02,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:33:02,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:33:02,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:33:02,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:33:02,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:33:02,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:33:02,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:33:02,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:33:02,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:33:02,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:33:02,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:33:02,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:33:02,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:33:02,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:33:02,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:33:02,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:33:02,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:33:02,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:33:02,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:33:02,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:33:02,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:33:02,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:33:02,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:33:02,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:33:02,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:33:02,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:33:02,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:33:02,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:33:02,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:33:02,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:33:02,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:33:02,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:33:02,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:33:02,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:33:02,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:33:02,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:33:02,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:33:02,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:33:02,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:33:02,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:33:02,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:33:02,147 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:33:02,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:33:02,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:33:02,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:33:02,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:33:02,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:33:02,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:02,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:33:02,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:33:02,155 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:33:02,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:33:02,155 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_0302941c-19e9-4460-9840-b0125e4b616f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2022-12-15 02:33:02,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:33:02,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:33:02,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:33:02,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:33:02,374 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:33:02,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-12-15 02:33:05,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:33:05,196 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:33:05,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2022-12-15 02:33:05,209 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/924aa4f24/f14ade336d754b2889fe447acb2802b5/FLAG8b320e55b [2022-12-15 02:33:05,220 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/data/924aa4f24/f14ade336d754b2889fe447acb2802b5 [2022-12-15 02:33:05,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:33:05,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:33:05,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:05,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:33:05,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:33:05,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a5cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05, skipping insertion in model container [2022-12-15 02:33:05,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:33:05,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:33:05,567 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_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-12-15 02:33:05,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:05,590 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:33:05,630 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_0302941c-19e9-4460-9840-b0125e4b616f/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2022-12-15 02:33:05,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:33:05,687 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:33:05,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05 WrapperNode [2022-12-15 02:33:05,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:33:05,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:05,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:33:05,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:33:05,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,728 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-12-15 02:33:05,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:33:05,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:33:05,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:33:05,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:33:05,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,756 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:33:05,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:33:05,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:33:05,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:33:05,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:33:05" (1/1) ... [2022-12-15 02:33:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:33:05,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:33:05,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:33:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:33:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:33:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:33:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:33:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:33:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:33:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:33:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:33:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:33:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:33:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:33:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:33:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:33:05,828 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:33:05,943 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:33:05,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:33:06,183 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:33:06,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:33:06,248 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:33:06,249 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:33:06,249 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-15 02:33:06,252 INFO L158 Benchmark]: Toolchain (without parser) took 1028.07ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 56.7MB in the end (delta: 5.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-15 02:33:06,252 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:33:06,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.60ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-12-15 02:33:06,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.09ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:06,253 INFO L158 Benchmark]: Boogie Preprocessor took 31.90ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:33:06,254 INFO L158 Benchmark]: RCFGBuilder took 489.02ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 56.7MB in the end (delta: -1.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-12-15 02:33:06,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.60ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 59.9MB in the end (delta: 2.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.09ms. Allocated memory is still 86.0MB. Free memory was 59.9MB in the beginning and 57.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.90ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 55.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.02ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 56.7MB in the end (delta: -1.4MB). Peak memory consumption was 29.0MB. 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. [2022-12-15 02:33:06,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0302941c-19e9-4460-9840-b0125e4b616f/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?