./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:48:02,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:48:02,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:48:02,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:48:02,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:48:02,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:48:02,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:48:02,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:48:02,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:48:02,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:48:02,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:48:02,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:48:02,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:48:02,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:48:02,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:48:02,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:48:02,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:48:02,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:48:02,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:48:02,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:48:02,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:48:02,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:48:02,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:48:02,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:48:02,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:48:03,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:48:03,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:48:03,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:48:03,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:48:03,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:48:03,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:48:03,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:48:03,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:48:03,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:48:03,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:48:03,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:48:03,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:48:03,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:48:03,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:48:03,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:48:03,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:48:03,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:48:03,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:48:03,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:48:03,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:48:03,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:48:03,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:48:03,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:48:03,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:48:03,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:48:03,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:48:03,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:48:03,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:48:03,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:48:03,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:48:03,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:48:03,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:48:03,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:48:03,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:48:03,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:48:03,055 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:48:03,056 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:48:03,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:48:03,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:03,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:48:03,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:48:03,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:48:03,057 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:48:03,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:48:03,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:48:03,058 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2021-11-23 01:48:03,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:48:03,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:48:03,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:48:03,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:48:03,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:48:03,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2021-11-23 01:48:03,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/c4e98ad72/b6e2e7571ae147ebbf68b7e2240a3054/FLAG70f969465 [2021-11-23 01:48:04,000 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:48:04,001 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2021-11-23 01:48:04,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/c4e98ad72/b6e2e7571ae147ebbf68b7e2240a3054/FLAG70f969465 [2021-11-23 01:48:04,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/c4e98ad72/b6e2e7571ae147ebbf68b7e2240a3054 [2021-11-23 01:48:04,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:48:04,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:48:04,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:04,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:48:04,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:48:04,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:04" (1/1) ... [2021-11-23 01:48:04,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b32edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:04, skipping insertion in model container [2021-11-23 01:48:04,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:04" (1/1) ... [2021-11-23 01:48:04,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:48:04,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:48:04,834 WARN L230 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2021-11-23 01:48:04,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:04,867 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:48:04,937 WARN L230 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2021-11-23 01:48:04,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:05,004 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:48:05,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05 WrapperNode [2021-11-23 01:48:05,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:05,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:05,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:48:05,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:48:05,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,096 INFO L137 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2021-11-23 01:48:05,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:05,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:48:05,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:48:05,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:48:05,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:48:05,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:48:05,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:48:05,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:48:05,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:05" (1/1) ... [2021-11-23 01:48:05,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:48:05,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:48:05,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:48:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:48:05,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:48:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:48:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:48:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:48:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:48:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:48:05,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:48:05,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:48:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:48:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:48:05,272 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:48:05,483 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:48:05,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:48:05,843 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:48:05,930 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:48:05,930 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:48:05,931 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:48:05,933 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:304) 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) [2021-11-23 01:48:05,938 INFO L158 Benchmark]: Toolchain (without parser) took 1650.71ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 39.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 01:48:05,939 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:48:05,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 716.42ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 64.6MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:48:05,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.09ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:48:05,944 INFO L158 Benchmark]: Boogie Preprocessor took 54.81ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:48:05,944 INFO L158 Benchmark]: RCFGBuilder took 782.14ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 39.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:48:05,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 716.42ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 64.6MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.09ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.81ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.14ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 39.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:48:05,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:48:08,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:48:08,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:48:08,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:48:08,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:48:08,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:48:08,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:48:08,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:48:08,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:48:08,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:48:08,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:48:08,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:48:08,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:48:08,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:48:08,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:48:08,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:48:08,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:48:08,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:48:08,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:48:08,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:48:08,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:48:08,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:48:08,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:48:08,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:48:08,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:48:08,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:48:08,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:48:08,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:48:08,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:48:08,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:48:08,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:48:08,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:48:08,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:48:08,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:48:08,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:48:08,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:48:08,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:48:08,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:48:08,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:48:08,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:48:08,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:48:08,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:48:08,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:48:08,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:48:08,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:48:08,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:48:08,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:48:08,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:48:08,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:48:08,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:48:08,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:48:08,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:48:08,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:48:08,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:48:08,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:48:08,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:48:08,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:48:08,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:48:08,840 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:48:08,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:48:08,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:08,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:48:08,841 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:48:08,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:48:08,842 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e12b29ddb474fc17e74c2b71eb245022640b1de10fdbbb130c7f22e13cd3653f [2021-11-23 01:48:09,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:48:09,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:48:09,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:48:09,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:48:09,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:48:09,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2021-11-23 01:48:09,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/8a770841c/7fb26b1892c34cb69ce0b94a138d3a81/FLAG2e7dc2f15 [2021-11-23 01:48:10,055 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:48:10,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i [2021-11-23 01:48:10,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/8a770841c/7fb26b1892c34cb69ce0b94a138d3a81/FLAG2e7dc2f15 [2021-11-23 01:48:10,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/data/8a770841c/7fb26b1892c34cb69ce0b94a138d3a81 [2021-11-23 01:48:10,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:48:10,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:48:10,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:10,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:48:10,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:48:10,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:10" (1/1) ... [2021-11-23 01:48:10,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243584f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:10, skipping insertion in model container [2021-11-23 01:48:10,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:10" (1/1) ... [2021-11-23 01:48:10,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:48:10,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:48:10,904 WARN L230 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2021-11-23 01:48:10,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:10,932 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:48:10,974 WARN L230 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_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-1.i[31166,31179] [2021-11-23 01:48:10,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:11,023 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:48:11,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11 WrapperNode [2021-11-23 01:48:11,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:11,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:11,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:48:11,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:48:11,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,079 INFO L137 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2021-11-23 01:48:11,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:11,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:48:11,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:48:11,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:48:11,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:48:11,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:48:11,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:48:11,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:48:11,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:11" (1/1) ... [2021-11-23 01:48:11,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:48:11,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:48:11,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:48:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:48:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:48:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:48:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:48:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:48:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:48:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:48:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:48:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:48:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:48:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:48:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:48:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:48:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:48:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:48:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:48:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:48:11,250 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:48:11,453 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:48:11,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:48:11,816 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:48:12,008 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:48:12,008 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:48:12,009 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:48:12,010 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:304) 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) [2021-11-23 01:48:12,013 INFO L158 Benchmark]: Toolchain (without parser) took 1716.38ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.2MB in the beginning and 53.1MB in the end (delta: -13.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-23 01:48:12,014 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:48:12,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.97ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 32.3MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:48:12,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.91ms. Allocated memory is still 60.8MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:48:12,016 INFO L158 Benchmark]: Boogie Preprocessor took 53.08ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 55.7MB in the end (delta: -26.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 01:48:12,017 INFO L158 Benchmark]: RCFGBuilder took 877.52ms. Allocated memory is still 73.4MB. Free memory was 55.7MB in the beginning and 53.1MB in the end (delta: 2.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-11-23 01:48:12,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.97ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 32.3MB in the end (delta: 6.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.91ms. Allocated memory is still 60.8MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.08ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 55.7MB in the end (delta: -26.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 877.52ms. Allocated memory is still 73.4MB. Free memory was 55.7MB in the beginning and 53.1MB in the end (delta: 2.7MB). Peak memory consumption was 23.5MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:48:12,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d9ccde-ad45-4fcc-b1e6-ce1e357f0907/bin/ukojak-LBtLqBUTdQ/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?