./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/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_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ --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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:26:06,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:26:06,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:26:06,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:26:06,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:26:06,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:26:06,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:26:06,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:26:06,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:26:06,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:26:06,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:26:06,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:26:06,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:26:06,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:26:06,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:26:06,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:26:06,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:26:06,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:26:06,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:26:06,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:26:06,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:26:06,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:26:06,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:26:06,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:26:06,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:26:06,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:26:06,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:26:06,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:26:06,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:26:06,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:26:06,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:26:06,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:26:06,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:26:06,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:26:06,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:26:06,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:26:06,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:26:06,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:26:06,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:26:06,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:26:06,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:26:06,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:26:06,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:26:06,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:26:06,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:26:06,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:26:06,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:26:06,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:26:06,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:26:06,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:26:06,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:26:06,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:26:06,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:26:06,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:26:06,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:26:06,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:26:06,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:26:06,529 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:26:06,529 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:26:06,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:26:06,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:26:06,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:26:06,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:26:06,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:26:06,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:26:06,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:26:06,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:26:06,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:26:06,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:26:06,532 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:26:06,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:26:06,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:26:06,533 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_cfa01b61-a964-4f2a-8467-b31663339d61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-11-20 18:26:06,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:26:06,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:26:06,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:26:06,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:26:06,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:26:06,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-20 18:26:09,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:26:10,112 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:26:10,112 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-20 18:26:10,124 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/1ee79b7bf/6b8aa7fd0741441d8d5e56fa0433ab37/FLAG7731b2383 [2022-11-20 18:26:10,139 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/1ee79b7bf/6b8aa7fd0741441d8d5e56fa0433ab37 [2022-11-20 18:26:10,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:26:10,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:26:10,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:10,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:26:10,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:26:10,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738aa80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10, skipping insertion in model container [2022-11-20 18:26:10,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:26:10,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:26:10,528 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_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-20 18:26:10,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:10,555 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:26:10,629 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_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-20 18:26:10,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:10,677 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:26:10,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10 WrapperNode [2022-11-20 18:26:10,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:10,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:10,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:26:10,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:26:10,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,768 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-11-20 18:26:10,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:10,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:26:10,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:26:10,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:26:10,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:26:10,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:26:10,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:26:10,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:26:10,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:10" (1/1) ... [2022-11-20 18:26:10,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:26:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:26:10,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:26:10,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:26:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:26:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 18:26:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 18:26:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:26:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 18:26:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 18:26:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:26:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:26:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:26:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:26:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:26:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:26:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 18:26:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 18:26:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:26:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:26:10,974 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:26:11,188 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:26:11,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:26:11,533 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:26:11,649 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:26:11,649 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:26:11,650 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 18:26:11,651 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 18:26:11,662 INFO L158 Benchmark]: Toolchain (without parser) took 1518.08ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.7MB in the beginning and 105.9MB in the end (delta: -16.2MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-11-20 18:26:11,663 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:26:11,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.77ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 69.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:26:11,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.67ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:26:11,665 INFO L158 Benchmark]: Boogie Preprocessor took 68.14ms. Allocated memory is still 130.0MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:26:11,666 INFO L158 Benchmark]: RCFGBuilder took 821.80ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 64.9MB in the beginning and 105.9MB in the end (delta: -41.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-20 18:26:11,669 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 130.0MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.77ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 69.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.67ms. Allocated memory is still 130.0MB. Free memory was 69.1MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.14ms. Allocated memory is still 130.0MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 821.80ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 64.9MB in the beginning and 105.9MB in the end (delta: -41.0MB). Peak memory consumption was 11.7MB. 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 18:26:11,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/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_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ --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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:26:14,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:26:14,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:26:14,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:26:14,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:26:14,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:26:14,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:26:14,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:26:14,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:26:14,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:26:14,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:26:14,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:26:14,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:26:14,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:26:14,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:26:14,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:26:14,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:26:14,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:26:14,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:26:14,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:26:14,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:26:14,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:26:14,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:26:14,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:26:14,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:26:14,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:26:14,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:26:14,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:26:14,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:26:14,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:26:14,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:26:14,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:26:14,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:26:14,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:26:14,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:26:14,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:26:14,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:26:14,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:26:14,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:26:14,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:26:14,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:26:14,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:26:14,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:26:14,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:26:14,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:26:14,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:26:14,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:26:14,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:26:14,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:26:14,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:26:14,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:26:14,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:26:14,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:26:14,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:26:14,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:26:14,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:26:14,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:26:14,300 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:26:14,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:26:14,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:26:14,301 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:26:14,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:26:14,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:26:14,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:26:14,302 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:26:14,302 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:26:14,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:26:14,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:26:14,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:26:14,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:26:14,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:26:14,303 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:26:14,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:26:14,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:26:14,304 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:26:14,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:26:14,305 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_cfa01b61-a964-4f2a-8467-b31663339d61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-11-20 18:26:14,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:26:14,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:26:14,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:26:14,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:26:14,708 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:26:14,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-20 18:26:17,791 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:26:18,066 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:26:18,067 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-20 18:26:18,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/6a5ec99d9/8a697ab21ea541758738c79cd8825af2/FLAG2b63915c9 [2022-11-20 18:26:18,097 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/data/6a5ec99d9/8a697ab21ea541758738c79cd8825af2 [2022-11-20 18:26:18,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:26:18,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:26:18,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:18,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:26:18,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:26:18,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64363155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18, skipping insertion in model container [2022-11-20 18:26:18,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:26:18,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:26:18,529 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_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-20 18:26:18,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:18,552 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:26:18,612 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_cfa01b61-a964-4f2a-8467-b31663339d61/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-20 18:26:18,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:26:18,675 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:26:18,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18 WrapperNode [2022-11-20 18:26:18,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:26:18,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:18,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:26:18,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:26:18,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,751 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-11-20 18:26:18,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:26:18,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:26:18,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:26:18,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:26:18,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:26:18,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:26:18,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:26:18,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:26:18,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:26:18" (1/1) ... [2022-11-20 18:26:18,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:26:18,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:26:18,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:26:18,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:26:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:26:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 18:26:18,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 18:26:18,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 18:26:18,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 18:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:26:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:26:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:26:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:26:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:26:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 18:26:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 18:26:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 18:26:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:26:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:26:18,920 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:26:19,070 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:26:19,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:26:19,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:26:19,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:26:19,688 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:26:19,689 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 18:26:19,690 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 18:26:19,694 INFO L158 Benchmark]: Toolchain (without parser) took 1592.46ms. Allocated memory is still 79.7MB. Free memory was 39.1MB in the beginning and 38.0MB in the end (delta: 1.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-20 18:26:19,695 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:26:19,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.65ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 46.6MB in the end (delta: -7.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-20 18:26:19,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.04ms. Allocated memory is still 79.7MB. Free memory was 46.6MB in the beginning and 44.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:19,697 INFO L158 Benchmark]: Boogie Preprocessor took 60.93ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 41.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:19,697 INFO L158 Benchmark]: RCFGBuilder took 878.81ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.0MB in the end (delta: 3.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 18:26:19,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.65ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 46.6MB in the end (delta: -7.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.04ms. Allocated memory is still 79.7MB. Free memory was 46.6MB in the beginning and 44.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.93ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 41.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 878.81ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 38.0MB in the end (delta: 3.7MB). Peak memory consumption was 13.1MB. 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 18:26:19,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa01b61-a964-4f2a-8467-b31663339d61/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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?