./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB --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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- 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-dbf71c6-m [2022-10-17 17:02:35,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:35,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:35,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:35,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:35,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:35,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:35,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:35,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:35,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:35,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:35,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:35,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:35,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:35,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:35,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:35,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:35,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:35,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:35,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:35,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:35,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:35,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:35,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:35,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:35,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:35,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:35,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:35,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:35,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:35,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:35,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:35,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:35,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:35,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:35,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:35,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:35,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:35,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:35,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:35,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:35,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:35,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:35,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:35,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:35,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:35,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:35,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:35,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:35,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:35,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:35,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:35,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:35,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:35,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:35,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:35,284 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:35,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:35,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:35,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:35,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:35,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:35,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:35,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:35,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:35,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:35,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:35,287 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:35,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:35,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:35,289 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2022-10-17 17:02:35,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:35,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:35,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:35,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:35,616 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:35,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-10-17 17:02:35,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/3d0772a8d/6d89a65156c04a6e904a187b04b923aa/FLAG373601370 [2022-10-17 17:02:36,300 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:36,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-10-17 17:02:36,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/3d0772a8d/6d89a65156c04a6e904a187b04b923aa/FLAG373601370 [2022-10-17 17:02:36,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/3d0772a8d/6d89a65156c04a6e904a187b04b923aa [2022-10-17 17:02:36,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:36,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:36,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:36,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:36,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:36,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:36" (1/1) ... [2022-10-17 17:02:36,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1525f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:36, skipping insertion in model container [2022-10-17 17:02:36,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:36" (1/1) ... [2022-10-17 17:02:36,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:36,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:37,112 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-10-17 17:02:37,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:37,130 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:37,168 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-10-17 17:02:37,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:37,216 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:37,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37 WrapperNode [2022-10-17 17:02:37,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:37,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:37,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:37,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:37,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,269 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-10-17 17:02:37,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:37,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:37,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:37,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:37,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:37,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:37,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:37,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:37,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:37" (1/1) ... [2022-10-17 17:02:37,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:37,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:37,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:37,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 17:02:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 17:02:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 17:02:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 17:02:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:02:37,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:02:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 17:02:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 17:02:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:37,391 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:02:37,521 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:37,523 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:37,930 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:38,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:38,074 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:02:38,075 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 17:02:38,084 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) [2022-10-17 17:02:38,088 INFO L158 Benchmark]: Toolchain (without parser) took 1488.14ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 41.0MB in the end (delta: 26.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-10-17 17:02:38,089 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:38,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.55ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 71.2MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:38,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.79ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 68.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:38,093 INFO L158 Benchmark]: Boogie Preprocessor took 36.38ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 67.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:38,095 INFO L158 Benchmark]: RCFGBuilder took 778.32ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 41.0MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:38,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.55ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 71.2MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.79ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 68.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.38ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 67.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 778.32ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 41.0MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:02:38,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB --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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- 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-dbf71c6-m [2022-10-17 17:02:40,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:40,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:40,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:40,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:40,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:40,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:40,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:40,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:40,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:40,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:40,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:40,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:40,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:40,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:40,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:40,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:40,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:40,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:40,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:40,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:40,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:40,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:40,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:40,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:40,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:40,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:40,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:40,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:40,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:40,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:40,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:40,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:40,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:40,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:40,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:40,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:40,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:40,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:40,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:40,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:40,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:02:40,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:40,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:40,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:40,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:40,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:40,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:40,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:40,762 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:40,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:40,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:40,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:40,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:40,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:40,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:02:40,764 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:02:40,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:02:40,765 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:40,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:40,765 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:40,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:40,766 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:40,766 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:40,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:40,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:40,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:40,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:40,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:40,768 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:02:40,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:02:40,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:40,768 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:02:40,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:02:40,769 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2022-10-17 17:02:41,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:41,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:41,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:41,174 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:41,175 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:41,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-10-17 17:02:41,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/189dbadbc/355ea8faa9504e6380d081a1b71aa272/FLAG8f1ecc618 [2022-10-17 17:02:41,834 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:41,835 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-10-17 17:02:41,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/189dbadbc/355ea8faa9504e6380d081a1b71aa272/FLAG8f1ecc618 [2022-10-17 17:02:42,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/data/189dbadbc/355ea8faa9504e6380d081a1b71aa272 [2022-10-17 17:02:42,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:42,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:42,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:42,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:42,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:42,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7593dd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42, skipping insertion in model container [2022-10-17 17:02:42,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:42,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:42,603 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-10-17 17:02:42,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:42,644 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:42,718 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_528f2f1e-2377-404b-b6d6-a8c94235ac7a/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-10-17 17:02:42,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:42,790 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:42,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42 WrapperNode [2022-10-17 17:02:42,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:42,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:42,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:42,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:42,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,875 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-10-17 17:02:42,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:42,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:42,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:42,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:42,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,914 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:42,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:42,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:42,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:42,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:42" (1/1) ... [2022-10-17 17:02:42,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:42,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:42,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:42,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:02:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 17:02:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 17:02:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 17:02:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:02:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:02:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:02:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 17:02:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 17:02:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:43,029 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:02:43,183 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:43,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:43,718 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:43,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:43,954 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:02:43,956 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 17:02:43,956 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) [2022-10-17 17:02:43,961 INFO L158 Benchmark]: Toolchain (without parser) took 1846.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.0MB in the beginning and 44.8MB in the end (delta: -10.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-10-17 17:02:43,962 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:43,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.26ms. Allocated memory is still 58.7MB. Free memory was 33.8MB in the beginning and 30.3MB in the end (delta: 3.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:02:43,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.27ms. Allocated memory is still 58.7MB. Free memory was 30.3MB in the beginning and 28.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:43,964 INFO L158 Benchmark]: Boogie Preprocessor took 44.92ms. Allocated memory is still 58.7MB. Free memory was 28.0MB in the beginning and 26.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:43,965 INFO L158 Benchmark]: RCFGBuilder took 1037.41ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 25.8MB in the beginning and 44.8MB in the end (delta: -19.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-10-17 17:02:43,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.26ms. Allocated memory is still 58.7MB. Free memory was 33.8MB in the beginning and 30.3MB in the end (delta: 3.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.27ms. Allocated memory is still 58.7MB. Free memory was 30.3MB in the beginning and 28.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.92ms. Allocated memory is still 58.7MB. Free memory was 28.0MB in the beginning and 26.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.41ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 25.8MB in the beginning and 44.8MB in the end (delta: -19.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:02:44,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_528f2f1e-2377-404b-b6d6-a8c94235ac7a/bin/ukojak-92XMlrwhuB/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?