./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:07:30,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:07:30,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:07:30,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:07:30,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:07:30,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:07:30,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:07:30,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:07:30,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:07:30,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:07:30,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:07:30,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:07:30,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:07:30,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:07:30,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:07:30,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:07:30,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:07:30,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:07:30,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:07:30,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:07:30,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:07:30,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:07:30,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:07:30,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:07:30,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:07:30,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:07:30,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:07:30,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:07:30,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:07:30,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:07:30,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:07:30,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:07:30,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:07:30,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:07:30,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:07:30,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:07:30,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:07:30,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:07:30,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:07:30,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:07:30,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:07:30,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:07:30,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:07:30,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:07:30,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:07:30,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:07:30,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:07:30,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:07:30,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:07:30,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:07:30,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:07:30,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:07:30,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:07:30,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:07:30,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:07:30,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:07:30,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:07:30,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:07:30,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:07:30,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:07:30,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:07:30,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:07:30,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:07:30,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:07:30,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:07:30,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:07:30,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:07:30,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:07:30,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:07:30,643 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:07:30,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:07:30,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:07:30,643 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_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-12-15 02:07:30,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:07:30,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:07:30,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:07:30,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:07:30,855 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:07:30,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-15 02:07:33,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:07:33,625 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:07:33,626 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-15 02:07:33,633 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/8f9a7e124/b50756ef53124a14ae0ab377bb5772ef/FLAG3393fe036 [2022-12-15 02:07:34,015 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/8f9a7e124/b50756ef53124a14ae0ab377bb5772ef [2022-12-15 02:07:34,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:07:34,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:07:34,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:07:34,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:07:34,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:07:34,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe3a13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34, skipping insertion in model container [2022-12-15 02:07:34,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:07:34,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:07:34,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-15 02:07:34,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:07:34,272 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:07:34,298 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-15 02:07:34,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:07:34,321 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:07:34,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34 WrapperNode [2022-12-15 02:07:34,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:07:34,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:07:34,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:07:34,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:07:34,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,351 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-15 02:07:34,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:07:34,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:07:34,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:07:34,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:07:34,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:07:34,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:07:34,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:07:34,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:07:34,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:34" (1/1) ... [2022-12-15 02:07:34,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:07:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:07:34,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:07:34,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:07:34,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:07:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:07:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:07:34,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:07:34,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:07:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 02:07:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 02:07:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:07:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:07:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:07:34,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:07:34,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:07:34,432 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:07:34,529 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:07:34,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:07:34,744 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:07:34,788 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:07:34,788 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:07:34,789 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:07:34,790 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 02:07:34,793 INFO L158 Benchmark]: Toolchain (without parser) took 774.09ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 85.0MB in the beginning and 116.1MB in the end (delta: -31.1MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-12-15 02:07:34,793 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:07:34,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.72ms. Allocated memory is still 123.7MB. Free memory was 84.7MB in the beginning and 64.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:07:34,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.18ms. Allocated memory is still 123.7MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:07:34,795 INFO L158 Benchmark]: Boogie Preprocessor took 19.55ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:07:34,795 INFO L158 Benchmark]: RCFGBuilder took 419.95ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 116.1MB in the end (delta: -55.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-12-15 02:07:34,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.72ms. Allocated memory is still 123.7MB. Free memory was 84.7MB in the beginning and 64.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.18ms. Allocated memory is still 123.7MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.55ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 60.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.95ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 116.1MB in the end (delta: -55.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:07:34,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:07:36,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:07:36,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:07:36,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:07:36,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:07:36,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:07:36,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:07:36,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:07:36,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:07:36,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:07:36,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:07:36,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:07:36,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:07:36,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:07:36,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:07:36,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:07:36,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:07:36,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:07:36,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:07:36,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:07:36,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:07:36,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:07:36,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:07:36,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:07:36,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:07:36,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:07:36,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:07:36,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:07:36,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:07:36,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:07:36,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:07:36,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:07:36,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:07:36,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:07:36,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:07:36,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:07:36,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:07:36,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:07:36,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:07:36,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:07:36,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:07:36,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:07:36,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:07:36,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:07:36,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:07:36,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:07:36,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:07:36,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:07:36,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:07:36,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:07:36,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:07:36,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:07:36,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:07:36,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:07:36,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:07:36,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:07:36,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:07:36,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:07:36,571 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:07:36,571 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:07:36,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:07:36,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:07:36,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:07:36,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:07:36,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:07:36,572 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:07:36,572 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:07:36,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:07:36,573 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:07:36,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:07:36,573 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_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-12-15 02:07:36,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:07:36,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:07:36,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:07:36,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:07:36,794 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:07:36,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-15 02:07:39,394 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:07:39,569 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:07:39,569 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-15 02:07:39,579 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/fffb66405/0d5159d4ea80465cb84f71c17dc6b3eb/FLAG4824af29f [2022-12-15 02:07:39,595 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/data/fffb66405/0d5159d4ea80465cb84f71c17dc6b3eb [2022-12-15 02:07:39,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:07:39,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:07:39,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:07:39,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:07:39,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:07:39,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ee2aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39, skipping insertion in model container [2022-12-15 02:07:39,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:07:39,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:07:39,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-15 02:07:39,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:07:39,896 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:07:39,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-15 02:07:39,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:07:39,947 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:07:39,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39 WrapperNode [2022-12-15 02:07:39,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:07:39,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:07:39,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:07:39,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:07:39,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,979 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-12-15 02:07:39,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:07:39,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:07:39,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:07:39,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:07:39,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:39,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:40,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:40,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:40,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:07:40,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:07:40,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:07:40,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:07:40,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:07:39" (1/1) ... [2022-12-15 02:07:40,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:07:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:07:40,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:07:40,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:07:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:07:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:07:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:07:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:07:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:07:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:07:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 02:07:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:07:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:07:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:07:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:07:40,068 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:07:40,194 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:07:40,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:07:40,409 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:07:40,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:07:40,460 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:07:40,460 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:07:40,461 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 02:07:40,465 INFO L158 Benchmark]: Toolchain (without parser) took 865.51ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 30.9MB in the end (delta: 11.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-12-15 02:07:40,465 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:07:40,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.34ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-12-15 02:07:40,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.21ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:07:40,467 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 33.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:07:40,467 INFO L158 Benchmark]: RCFGBuilder took 459.12ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 30.9MB in the end (delta: 2.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-15 02:07:40,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.34ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.21ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 33.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.12ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 30.9MB in the end (delta: 2.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:07:40,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_941e40ba-274b-436e-9a7d-af99f4a4a227/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?