./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/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_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- 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 01:47:52,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:47:52,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:47:52,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:47:52,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:47:52,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:47:52,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:47:52,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:47:52,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:47:52,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:47:52,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:47:52,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:47:52,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:47:52,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:47:52,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:47:52,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:47:52,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:47:52,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:47:52,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:47:52,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:47:52,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:47:52,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:47:52,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:47:52,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:47:52,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:47:52,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:47:52,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:47:52,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:47:52,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:47:52,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:47:52,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:47:52,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:47:52,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:47:52,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:47:52,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:47:52,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:47:52,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:47:52,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:47:52,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:47:52,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:47:52,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:47:52,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:47:52,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:47:52,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:47:52,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:47:52,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:47:52,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:47:52,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:47:52,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:47:52,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:47:52,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:47:52,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:47:52,811 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:47:52,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:47:52,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:47:52,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:47:52,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:47:52,812 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:47:52,812 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:47:52,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:47:52,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:47:52,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:47:52,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:47:52,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:47:52,814 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:47:52,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:47:52,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:47:52,814 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_f2005559-16bb-4609-906b-d15d2dce5087/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-12-15 01:47:52,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:47:53,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:47:53,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:47:53,016 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:47:53,016 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:47:53,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-12-15 01:47:55,654 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:47:55,855 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:47:55,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-12-15 01:47:55,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/5920cf885/224cd1ff6fc84196a3ada4617d48fb84/FLAG4b8491c08 [2022-12-15 01:47:55,875 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/5920cf885/224cd1ff6fc84196a3ada4617d48fb84 [2022-12-15 01:47:55,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:47:55,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:47:55,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:47:55,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:47:55,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:47:55,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:47:55" (1/1) ... [2022-12-15 01:47:55,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c790f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:55, skipping insertion in model container [2022-12-15 01:47:55,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:47:55" (1/1) ... [2022-12-15 01:47:55,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:47:55,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:47:56,116 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-12-15 01:47:56,119 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-12-15 01:47:56,121 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-12-15 01:47:56,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:47:56,132 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:47:56,156 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-12-15 01:47:56,158 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-12-15 01:47:56,159 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-12-15 01:47:56,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:47:56,180 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:47:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56 WrapperNode [2022-12-15 01:47:56,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:47:56,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:47:56,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:47:56,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:47:56,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,210 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 128 [2022-12-15 01:47:56,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:47:56,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:47:56,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:47:56,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:47:56,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:47:56,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:47:56,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:47:56,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:47:56,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:47:56" (1/1) ... [2022-12-15 01:47:56,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:47:56,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:47:56,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:47:56,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 01:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 01:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:47:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:47:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 01:47:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 01:47:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:47:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:47:56,288 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 01:47:56,382 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:47:56,385 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:47:56,604 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:47:56,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:47:56,659 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 01:47:56,659 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 01:47:56,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 01:47:56,664 INFO L158 Benchmark]: Toolchain (without parser) took 785.59ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 84.6MB in the beginning and 109.0MB in the end (delta: -24.4MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-12-15 01:47:56,665 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:47:56,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 64.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 01:47:56,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.29ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 62.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:47:56,666 INFO L158 Benchmark]: Boogie Preprocessor took 17.96ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:47:56,667 INFO L158 Benchmark]: RCFGBuilder took 433.06ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 60.5MB in the beginning and 109.0MB in the end (delta: -48.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-12-15 01:47:56,669 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 117.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.26ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 64.4MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.29ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 62.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.96ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 60.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.06ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 60.5MB in the beginning and 109.0MB in the end (delta: -48.5MB). Peak memory consumption was 21.3MB. 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 01:47:56,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/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_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/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_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- 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 01:47:58,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:47:58,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:47:58,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:47:58,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:47:58,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:47:58,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:47:58,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:47:58,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:47:58,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:47:58,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:47:58,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:47:58,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:47:58,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:47:58,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:47:58,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:47:58,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:47:58,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:47:58,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:47:58,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:47:58,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:47:58,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:47:58,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:47:58,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:47:58,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:47:58,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:47:58,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:47:58,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:47:58,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:47:58,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:47:58,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:47:58,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:47:58,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:47:58,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:47:58,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:47:58,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:47:58,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:47:58,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:47:58,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:47:58,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:47:58,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:47:58,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 01:47:58,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:47:58,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:47:58,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:47:58,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:47:58,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:47:58,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:47:58,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:47:58,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:47:58,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:47:58,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:47:58,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:47:58,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:47:58,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:47:58,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:47:58,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:47:58,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:47:58,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:47:58,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:47:58,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:47:58,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:47:58,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:47:58,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:47:58,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:47:58,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:47:58,415 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:47:58,415 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:47:58,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:47:58,416 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:47:58,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:47:58,416 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_f2005559-16bb-4609-906b-d15d2dce5087/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-12-15 01:47:58,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:47:58,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:47:58,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:47:58,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:47:58,670 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:47:58,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-12-15 01:48:01,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:48:01,482 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:48:01,483 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-12-15 01:48:01,490 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/6920f2e38/eef06d32a3de4ee09df7e62cbda638cd/FLAG026f7e83f [2022-12-15 01:48:01,503 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/data/6920f2e38/eef06d32a3de4ee09df7e62cbda638cd [2022-12-15 01:48:01,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:48:01,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:48:01,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:48:01,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:48:01,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:48:01,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c41927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01, skipping insertion in model container [2022-12-15 01:48:01,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:48:01,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:48:01,817 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-12-15 01:48:01,820 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-12-15 01:48:01,822 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-12-15 01:48:01,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:48:01,839 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:48:01,874 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-12-15 01:48:01,876 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-12-15 01:48:01,878 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_f2005559-16bb-4609-906b-d15d2dce5087/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-12-15 01:48:01,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:48:01,911 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:48:01,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01 WrapperNode [2022-12-15 01:48:01,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:48:01,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:48:01,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:48:01,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:48:01,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,953 INFO L138 Inliner]: procedures = 180, calls = 34, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 126 [2022-12-15 01:48:01,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:48:01,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:48:01,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:48:01,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:48:01,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:48:01,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:48:01,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:48:01,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:48:01,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:01" (1/1) ... [2022-12-15 01:48:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:48:01,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:48:02,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:48:02,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:48:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 01:48:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 01:48:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 01:48:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:48:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:48:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-15 01:48:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-15 01:48:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:48:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:48:02,054 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 01:48:02,158 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:48:02,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:48:02,397 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:48:02,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:48:02,439 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 01:48:02,440 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-15 01:48:02,440 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 01:48:02,443 INFO L158 Benchmark]: Toolchain (without parser) took 936.78ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.6MB in the beginning and 41.6MB in the end (delta: -9.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-12-15 01:48:02,444 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:48:02,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.63ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 47.2MB in the end (delta: -14.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-12-15 01:48:02,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.42ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 44.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:48:02,445 INFO L158 Benchmark]: Boogie Preprocessor took 29.56ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:48:02,446 INFO L158 Benchmark]: RCFGBuilder took 457.99ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 41.9MB in the end (delta: 843.5kB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-12-15 01:48:02,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.63ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 47.2MB in the end (delta: -14.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.42ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 44.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.56ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.99ms. Allocated memory is still 81.8MB. Free memory was 42.8MB in the beginning and 41.9MB in the end (delta: 843.5kB). Peak memory consumption was 6.2MB. 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. [2022-12-15 01:48:02,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2005559-16bb-4609-906b-d15d2dce5087/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?