./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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 02:50:22,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:50:22,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:50:22,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:50:22,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:50:22,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:50:22,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:50:22,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:50:22,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:50:22,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:50:22,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:50:22,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:50:22,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:50:22,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:50:22,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:50:22,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:50:22,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:50:22,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:50:22,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:50:22,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:50:22,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:50:22,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:50:22,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:50:22,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:50:22,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:50:22,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:50:22,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:50:22,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:50:22,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:50:22,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:50:22,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:50:22,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:50:22,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:50:22,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:50:22,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:50:22,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:50:22,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:50:22,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:50:22,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:50:22,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:50:22,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:50:22,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:50:22,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:50:22,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:50:22,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:50:22,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:50:22,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:50:22,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:50:22,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:50:22,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:50:22,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:50:22,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:22,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:50:22,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:50:22,252 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-12-15 02:50:22,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:50:22,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:50:22,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:50:22,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:50:22,447 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:50:22,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 02:50:24,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:50:25,168 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:50:25,168 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 02:50:25,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/fa1f96272/c6f25c596b8646f88803d534f1be7267/FLAG66c40b950 [2022-12-15 02:50:25,555 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/fa1f96272/c6f25c596b8646f88803d534f1be7267 [2022-12-15 02:50:25,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:50:25,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:50:25,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:25,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:50:25,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:50:25,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afc940c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25, skipping insertion in model container [2022-12-15 02:50:25,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:50:25,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:50:25,780 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 02:50:25,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:25,797 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:50:25,827 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 02:50:25,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:25,851 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:50:25,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25 WrapperNode [2022-12-15 02:50:25,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:25,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:25,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:50:25,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:50:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,881 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2022-12-15 02:50:25,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:25,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:50:25,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:50:25,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:50:25,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:50:25,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:50:25,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:50:25,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:50:25,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:25" (1/1) ... [2022-12-15 02:50:25,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:50:25,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:50:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:50:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:50:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:50:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:50:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:50:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:50:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:50:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:50:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:50:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:50:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:50:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:50:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 02:50:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 02:50:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:50:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:50:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:50:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:50:25,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:50:25,963 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 02:50:26,061 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:50:26,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:50:26,236 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:50:26,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:50:26,296 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:50:26,297 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:50:26,297 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:50:26,301 INFO L158 Benchmark]: Toolchain (without parser) took 741.12ms. Allocated memory is still 161.5MB. Free memory was 123.3MB in the beginning and 76.9MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-15 02:50:26,302 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:50:26,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.97ms. Allocated memory is still 161.5MB. Free memory was 122.9MB in the beginning and 103.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:50:26,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.97ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:50:26,303 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:50:26,304 INFO L158 Benchmark]: RCFGBuilder took 398.61ms. Allocated memory is still 161.5MB. Free memory was 99.3MB in the beginning and 76.9MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:50:26,307 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 161.5MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.97ms. Allocated memory is still 161.5MB. Free memory was 122.9MB in the beginning and 103.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.97ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.61ms. Allocated memory is still 161.5MB. Free memory was 99.3MB in the beginning and 76.9MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:50:26,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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 02:50:27,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:50:27,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:50:27,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:50:27,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:50:27,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:50:27,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:50:27,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:50:27,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:50:27,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:50:27,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:50:27,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:50:27,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:50:27,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:50:27,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:50:27,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:50:27,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:50:27,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:50:27,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:50:27,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:50:27,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:50:27,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:50:27,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:50:27,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:50:27,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:50:27,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:50:27,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:50:27,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:50:27,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:50:27,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:50:27,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:50:27,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:50:27,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:50:27,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:50:27,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:50:27,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:50:27,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:50:27,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:50:27,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:50:27,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:50:27,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:50:27,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 02:50:27,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:50:27,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:50:27,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:50:27,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:50:27,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:50:27,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:50:27,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:50:27,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:50:27,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:50:27,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:50:27,979 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:50:27,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:50:27,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:50:27,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:27,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:50:27,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:50:27,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:50:27,981 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:50:27,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:50:27,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:50:27,981 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:50:27,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:50:27,981 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-12-15 02:50:28,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:50:28,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:50:28,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:50:28,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:50:28,239 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:50:28,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 02:50:30,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:50:30,937 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:50:30,937 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-12-15 02:50:30,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/e5b1443df/0a12dfc3ba1d408387b1cdcc77ee0978/FLAG83540b00a [2022-12-15 02:50:31,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/data/e5b1443df/0a12dfc3ba1d408387b1cdcc77ee0978 [2022-12-15 02:50:31,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:50:31,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:50:31,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:31,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:50:31,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:50:31,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd90c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31, skipping insertion in model container [2022-12-15 02:50:31,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:50:31,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:50:31,573 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 02:50:31,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:31,593 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:50:31,646 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_6e0620ea-297b-422e-8e7b-617cc6b2e87e/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-12-15 02:50:31,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:31,685 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:50:31,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31 WrapperNode [2022-12-15 02:50:31,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:31,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:31,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:50:31,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:50:31,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,719 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-12-15 02:50:31,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:31,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:50:31,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:50:31,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:50:31,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,739 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:50:31,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:50:31,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:50:31,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:50:31,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:31" (1/1) ... [2022-12-15 02:50:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:50:31,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:50:31,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:50:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:50:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 02:50:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-15 02:50:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:50:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:50:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:50:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:50:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 02:50:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-15 02:50:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-15 02:50:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 02:50:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 02:50:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:50:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:50:31,804 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 02:50:31,925 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:50:31,927 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:50:32,129 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:50:32,191 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:50:32,191 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:50:32,192 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 02:50:32,193 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:50:32,196 INFO L158 Benchmark]: Toolchain (without parser) took 878.73ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 68.4MB in the end (delta: -3.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-12-15 02:50:32,197 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:50:32,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 68.4MB in the end (delta: -3.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-15 02:50:32,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.92ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:50:32,198 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:50:32,199 INFO L158 Benchmark]: RCFGBuilder took 452.45ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 68.4MB in the end (delta: -4.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-12-15 02:50:32,201 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 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 68.4MB in the end (delta: -3.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.92ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 96.5MB. Free memory was 66.0MB in the beginning and 64.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.45ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 68.4MB in the end (delta: -4.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:50:32,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e0620ea-297b-422e-8e7b-617cc6b2e87e/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?