./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 b5237d83 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 21:50:43,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:50:43,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:50:43,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:50:43,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:50:43,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:50:43,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:50:43,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:50:43,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:50:43,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:50:43,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:50:43,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:50:43,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:50:43,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:50:43,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:50:43,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:50:43,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:50:43,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:50:43,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:50:43,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:50:43,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:50:43,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:50:43,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:50:43,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:50:43,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:50:43,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:50:43,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:50:43,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:50:43,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:50:43,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:50:43,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:50:43,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:50:43,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:50:43,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:50:43,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:50:43,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:50:43,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:50:43,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:50:43,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:50:43,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:50:43,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:50:43,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:50:43,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:50:43,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:50:43,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:50:43,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:50:43,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:50:43,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:50:43,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:50:43,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:50:43,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:50:43,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:50:43,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:50:43,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:50:43,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:50:43,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:50:43,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:50:43,123 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:50:43,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:50:43,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:50:43,124 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:50:43,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:50:43,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:50:43,125 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:50:43,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:50:43,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:43,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:50:43,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:50:43,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:50:43,126 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:50:43,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:50:43,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:50:43,127 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-11-21 21:50:43,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:50:43,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:50:43,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:50:43,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:50:43,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:50:43,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-21 21:50:46,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:46,777 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:46,778 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-21 21:50:46,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/d2a9039f0/fa87fd4356f743f2941fa6776f678db6/FLAG5163d2ce7 [2022-11-21 21:50:46,802 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/d2a9039f0/fa87fd4356f743f2941fa6776f678db6 [2022-11-21 21:50:46,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:46,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:46,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:46,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:46,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:46,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:46" (1/1) ... [2022-11-21 21:50:46,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351dd4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:46, skipping insertion in model container [2022-11-21 21:50:46,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:46" (1/1) ... [2022-11-21 21:50:46,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:46,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:47,168 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-21 21:50:47,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:47,195 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:47,268 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-21 21:50:47,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:47,325 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:47,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47 WrapperNode [2022-11-21 21:50:47,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:47,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:47,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:47,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:47,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,374 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-11-21 21:50:47,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:47,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:47,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:47,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:47,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:47,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:47,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:47,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:47,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:47" (1/1) ... [2022-11-21 21:50:47,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:47,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:47,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:50:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 21:50:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 21:50:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:50:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 21:50:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 21:50:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:50:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:50:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:50:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 21:50:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 21:50:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:47,488 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 21:50:47,618 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:47,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:47,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:48,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:48,105 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 21:50:48,105 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 21:50:48,106 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) [2022-11-21 21:50:48,110 INFO L158 Benchmark]: Toolchain (without parser) took 1303.88ms. Allocated memory is still 241.2MB. Free memory was 193.3MB in the beginning and 141.0MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-21 21:50:48,111 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:48,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.57ms. Allocated memory is still 241.2MB. Free memory was 193.3MB in the beginning and 172.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 21:50:48,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.56ms. Allocated memory is still 241.2MB. Free memory was 172.4MB in the beginning and 169.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:48,113 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 241.2MB. Free memory was 169.6MB in the beginning and 168.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:48,114 INFO L158 Benchmark]: RCFGBuilder took 705.52ms. Allocated memory is still 241.2MB. Free memory was 168.2MB in the beginning and 141.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 21:50:48,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.57ms. Allocated memory is still 241.2MB. Free memory was 193.3MB in the beginning and 172.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.56ms. Allocated memory is still 241.2MB. Free memory was 172.4MB in the beginning and 169.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 241.2MB. Free memory was 169.6MB in the beginning and 168.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.52ms. Allocated memory is still 241.2MB. Free memory was 168.2MB in the beginning and 141.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 21:50:48,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 21:50:50,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:50:50,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:50:50,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:50:50,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:50:50,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:50:50,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:50:50,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:50:50,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:50:50,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:50:50,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:50:50,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:50:50,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:50:50,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:50:50,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:50:50,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:50:50,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:50:50,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:50:50,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:50:50,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:50:50,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:50:50,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:50:50,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:50:50,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:50:50,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:50:50,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:50:50,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:50:50,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:50:50,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:50:50,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:50:50,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:50:50,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:50:50,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:50:50,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:50:50,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:50:50,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:50:50,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:50:50,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:50:50,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:50:50,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:50:50,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:50:50,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 21:50:50,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:50:50,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:50:50,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:50:50,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:50:50,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:50:50,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:50:50,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:50:50,567 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:50:50,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:50:50,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:50:50,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:50:50,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:50:50,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:50:50,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:50:50,569 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 21:50:50,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 21:50:50,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:50:50,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 21:50:50,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:50:50,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:50:50,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:50:50,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:50:50,572 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:50:50,572 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:50:50,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:50:50,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:50,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:50:50,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:50:50,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:50:50,574 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 21:50:50,574 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 21:50:50,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:50:50,575 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 21:50:50,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 21:50:50,576 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-11-21 21:50:50,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:50:50,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:50:50,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:50:50,967 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:50:50,968 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:50:50,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-21 21:50:54,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:50:54,382 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:50:54,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-11-21 21:50:54,394 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/a3aa49655/026d5abcd8344a60a9daf7204474fd8e/FLAG2343ec679 [2022-11-21 21:50:54,415 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/data/a3aa49655/026d5abcd8344a60a9daf7204474fd8e [2022-11-21 21:50:54,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:50:54,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:50:54,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:54,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:50:54,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:50:54,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:54,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21afabfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54, skipping insertion in model container [2022-11-21 21:50:54,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:54,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:50:54,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:50:54,864 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-21 21:50:54,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:54,896 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:50:54,936 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_b1339449-15be-4bd7-bba4-e99bc113ef8f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-11-21 21:50:54,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:50:54,978 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:50:54,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54 WrapperNode [2022-11-21 21:50:54,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:50:54,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:54,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:50:54,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:50:54,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,026 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-11-21 21:50:55,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:50:55,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:50:55,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:50:55,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:50:55,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:50:55,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:50:55,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:50:55,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:50:55,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:50:54" (1/1) ... [2022-11-21 21:50:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:50:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:50:55,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:50:55,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:50:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 21:50:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 21:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 21:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 21:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 21:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:50:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:50:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 21:50:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 21:50:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 21:50:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:50:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:50:55,201 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 21:50:55,374 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:50:55,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:50:55,750 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:50:55,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:50:55,856 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 21:50:55,856 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 21:50:55,857 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) [2022-11-21 21:50:55,861 INFO L158 Benchmark]: Toolchain (without parser) took 1441.98ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.8MB in the beginning and 33.7MB in the end (delta: -956.5kB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-21 21:50:55,862 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:50:55,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.37ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 46.6MB in the end (delta: -14.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-21 21:50:55,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.83ms. 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. [2022-11-21 21:50:55,864 INFO L158 Benchmark]: Boogie Preprocessor took 76.46ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:50:55,864 INFO L158 Benchmark]: RCFGBuilder took 749.96ms. Allocated memory is still 79.7MB. Free memory was 41.8MB in the beginning and 33.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-21 21:50:55,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.37ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 46.6MB in the end (delta: -14.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.83ms. 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 76.46ms. Allocated memory is still 79.7MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.96ms. Allocated memory is still 79.7MB. Free memory was 41.8MB in the beginning and 33.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.9MB. 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. [2022-11-21 21:50:55,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1339449-15be-4bd7-bba4-e99bc113ef8f/bin/ukojak-jW3SillKbg/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?