./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4 --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 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 [2022-12-14 23:39:35,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:39:35,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:39:35,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:39:35,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:39:35,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:39:35,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:39:35,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:39:35,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:39:35,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:39:35,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:39:35,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:39:35,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:39:35,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:39:35,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:39:35,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:39:35,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:39:35,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:39:35,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:39:35,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:39:35,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:39:35,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:39:35,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:39:35,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:39:35,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:39:35,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:39:35,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:39:35,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:39:35,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:39:35,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:39:35,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:39:35,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:39:35,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:39:35,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:39:35,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:39:35,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:39:35,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:39:35,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:39:35,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:39:35,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:39:35,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:39:35,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:39:35,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:39:35,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:39:35,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:39:35,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:39:35,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:39:35,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:39:35,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:39:35,173 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:39:35,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:39:35,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:39:35,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:39:35,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:39:35,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:39:35,175 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:39:35,175 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:39:35,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:39:35,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:35,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:39:35,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:39:35,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:39:35,176 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:39:35,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:39:35,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:39:35,176 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-12-14 23:39:35,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:39:35,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:39:35,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:39:35,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:39:35,383 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:39:35,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-14 23:39:37,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:39:38,164 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:39:38,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-14 23:39:38,173 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/0b92f03d9/c15f2125d65a42e3aa97ae3e63c2e376/FLAG859157aa8 [2022-12-14 23:39:38,526 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/0b92f03d9/c15f2125d65a42e3aa97ae3e63c2e376 [2022-12-14 23:39:38,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:39:38,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:39:38,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:38,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:39:38,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:39:38,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca21e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38, skipping insertion in model container [2022-12-14 23:39:38,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:39:38,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:39:38,775 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-14 23:39:38,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:38,793 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:39:38,821 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-14 23:39:38,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:38,845 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:39:38,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38 WrapperNode [2022-12-14 23:39:38,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:38,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:38,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:39:38,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:39:38,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,877 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2022-12-14 23:39:38,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:38,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:39:38,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:39:38,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:39:38,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:39:38,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:39:38,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:39:38,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:39:38,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:38" (1/1) ... [2022-12-14 23:39:38,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:39:38,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:39:38,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:39:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:39:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 23:39:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 23:39:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 23:39:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:39:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-14 23:39:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-14 23:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 23:39:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 23:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:39:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:39:38,959 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:39:39,049 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:39:39,051 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:39:39,224 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:39:39,293 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:39:39,294 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:39:39,294 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 23:39:39,295 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-14 23:39:39,299 INFO L158 Benchmark]: Toolchain (without parser) took 769.01ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 92.2MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:39,300 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:39:39,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.23ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 119.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:39:39,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.65ms. Allocated memory is still 192.9MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:39,301 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 192.9MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:39,302 INFO L158 Benchmark]: RCFGBuilder took 400.28ms. Allocated memory is still 192.9MB. Free memory was 115.3MB in the beginning and 92.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:39,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.23ms. Allocated memory is still 192.9MB. Free memory was 139.2MB in the beginning and 119.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.65ms. Allocated memory is still 192.9MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 192.9MB. Free memory was 116.9MB in the beginning and 115.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.28ms. Allocated memory is still 192.9MB. Free memory was 115.3MB in the beginning and 92.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:39:39,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4 --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 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 [2022-12-14 23:39:40,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:39:40,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:39:40,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:39:40,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:39:40,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:39:40,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:39:40,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:39:40,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:39:40,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:39:40,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:39:40,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:39:40,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:39:40,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:39:40,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:39:40,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:39:40,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:39:40,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:39:40,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:39:40,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:39:41,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:39:41,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:39:41,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:39:41,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:39:41,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:39:41,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:39:41,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:39:41,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:39:41,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:39:41,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:39:41,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:39:41,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:39:41,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:39:41,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:39:41,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:39:41,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:39:41,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:39:41,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:39:41,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:39:41,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:39:41,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:39:41,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 23:39:41,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:39:41,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:39:41,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:39:41,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:39:41,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:39:41,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:39:41,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:39:41,056 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:39:41,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:39:41,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:39:41,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:39:41,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:39:41,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:39:41,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:39:41,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:39:41,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:39:41,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:39:41,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:39:41,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:41,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:39:41,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:39:41,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:39:41,060 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:39:41,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:39:41,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:39:41,060 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:39:41,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:39:41,060 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-12-14 23:39:41,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:39:41,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:39:41,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:39:41,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:39:41,293 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:39:41,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-14 23:39:43,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:39:44,077 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:39:44,078 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-12-14 23:39:44,086 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/5c347b04f/dee76adba9ff452282af0c0c860662ef/FLAGcd62c77d3 [2022-12-14 23:39:44,097 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/data/5c347b04f/dee76adba9ff452282af0c0c860662ef [2022-12-14 23:39:44,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:39:44,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:39:44,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:44,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:39:44,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:39:44,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5220b8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44, skipping insertion in model container [2022-12-14 23:39:44,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:39:44,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:39:44,405 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-14 23:39:44,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:44,431 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:39:44,471 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_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-12-14 23:39:44,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:39:44,510 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:39:44,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44 WrapperNode [2022-12-14 23:39:44,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:39:44,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:44,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:39:44,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:39:44,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,543 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-12-14 23:39:44,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:39:44,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:39:44,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:39:44,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:39:44,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:39:44,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:39:44,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:39:44,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:39:44,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:44" (1/1) ... [2022-12-14 23:39:44,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:39:44,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:39:44,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:39:44,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:39:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:39:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 23:39:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 23:39:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 23:39:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 23:39:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:39:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 23:39:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-14 23:39:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-14 23:39:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 23:39:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 23:39:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:39:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:39:44,640 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:39:44,756 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:39:44,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:39:44,947 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:39:44,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:39:44,997 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:39:44,997 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 23:39:44,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2022-12-14 23:39:45,001 INFO L158 Benchmark]: Toolchain (without parser) took 900.86ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 57.7MB in the end (delta: 20.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 23:39:45,001 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:39:45,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.25ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 56.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 23:39:45,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.11ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 54.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:45,002 INFO L158 Benchmark]: Boogie Preprocessor took 23.55ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:39:45,003 INFO L158 Benchmark]: RCFGBuilder took 432.11ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 57.7MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 23:39:45,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.25ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 56.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.11ms. Allocated memory is still 100.7MB. Free memory was 56.3MB in the beginning and 54.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.55ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.11ms. Allocated memory is still 100.7MB. Free memory was 51.9MB in the beginning and 57.7MB in the end (delta: -5.8MB). Peak memory consumption was 4.2MB. 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. [2022-12-14 23:39:45,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa5e1e3d-5f1b-4ca7-b8ca-4fbda6ca300e/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?