./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 ................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 ............................................................................................................................................................................................................. 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? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:48:08,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:48:08,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:48:08,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:48:08,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:48:09,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:48:09,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:48:09,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:48:09,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:48:09,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:48:09,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:48:09,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:48:09,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:48:09,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:48:09,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:48:09,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:48:09,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:48:09,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:48:09,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:48:09,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:48:09,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:48:09,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:48:09,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:48:09,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:48:09,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:48:09,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:48:09,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:48:09,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:48:09,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:48:09,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:48:09,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:48:09,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:48:09,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:48:09,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:48:09,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:48:09,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:48:09,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:48:09,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:48:09,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:48:09,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:48:09,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:48:09,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:48:09,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:48:09,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:48:09,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:48:09,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:48:09,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:48:09,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:48:09,153 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:48:09,153 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:48:09,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:48:09,154 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:48:09,155 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:48:09,155 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:48:09,156 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:48:09,156 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:48:09,156 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:48:09,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:48:09,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:48:09,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:48:09,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:48:09,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:48:09,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:48:09,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:48:09,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:48:09,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:48:09,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:48:09,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:48:09,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:48:09,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:48:09,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:48:09,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:48:09,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:09,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:48:09,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:48:09,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:48:09,165 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:48:09,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:48:09,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:48:09,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:48:09,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:48:09,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-10-24 10:48:09,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:48:09,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:48:09,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:48:09,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:48:09,647 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:48:09,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-24 10:48:09,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/e6056f532/303b8521c643473dbb03d62d0e2e1f8e/FLAG922776329 [2021-10-24 10:48:10,586 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:48:10,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-24 10:48:10,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/e6056f532/303b8521c643473dbb03d62d0e2e1f8e/FLAG922776329 [2021-10-24 10:48:10,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/e6056f532/303b8521c643473dbb03d62d0e2e1f8e [2021-10-24 10:48:10,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:48:10,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:48:10,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:10,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:48:10,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:48:10,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:10" (1/1) ... [2021-10-24 10:48:10,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488d44c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:10, skipping insertion in model container [2021-10-24 10:48:10,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:10" (1/1) ... [2021-10-24 10:48:10,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:48:10,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:48:11,302 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-24 10:48:11,593 WARN L228 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-24 10:48:11,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:11,618 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:48:11,651 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-24 10:48:11,678 WARN L228 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-24 10:48:11,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:11,729 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:48:11,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11 WrapperNode [2021-10-24 10:48:11,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:11,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:11,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:48:11,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:48:11,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:11,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:48:11,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:48:11,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:48:11,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:48:11,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:48:11,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:48:11,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:48:11,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:11" (1/1) ... [2021-10-24 10:48:11,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:11,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:48:11,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:48:11,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:48:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:48:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-24 10:48:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-24 10:48:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:48:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 10:48:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:48:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:48:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:48:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 10:48:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:48:11,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:48:11,955 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 10:48:12,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:48:12,776 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-24 10:48:12,777 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-10-24 10:48:12,779 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:302) 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) [2021-10-24 10:48:12,785 INFO L168 Benchmark]: Toolchain (without parser) took 1980.83 ms. Allocated memory is still 115.3 MB. Free memory was 78.2 MB in the beginning and 62.2 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:12,786 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 115.3 MB. Free memory is still 96.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:48:12,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 922.25 ms. Allocated memory is still 115.3 MB. Free memory was 78.0 MB in the beginning and 82.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:12,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.21 ms. Allocated memory is still 115.3 MB. Free memory was 82.2 MB in the beginning and 80.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:48:12,790 INFO L168 Benchmark]: Boogie Preprocessor took 45.57 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:12,791 INFO L168 Benchmark]: RCFGBuilder took 933.42 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 62.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:12,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 115.3 MB. Free memory is still 96.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 922.25 ms. Allocated memory is still 115.3 MB. Free memory was 78.0 MB in the beginning and 82.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.21 ms. Allocated memory is still 115.3 MB. Free memory was 82.2 MB in the beginning and 80.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.57 ms. Allocated memory is still 115.3 MB. Free memory was 80.5 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 933.42 ms. Allocated memory is still 115.3 MB. Free memory was 78.9 MB in the beginning and 62.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-24 10:48:12,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:48:15,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:48:15,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:48:16,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:48:16,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:48:16,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:48:16,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:48:16,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:48:16,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:48:16,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:48:16,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:48:16,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:48:16,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:48:16,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:48:16,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:48:16,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:48:16,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:48:16,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:48:16,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:48:16,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:48:16,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:48:16,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:48:16,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:48:16,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:48:16,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:48:16,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:48:16,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:48:16,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:48:16,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:48:16,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:48:16,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:48:16,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:48:16,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:48:16,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:48:16,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:48:16,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:48:16,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:48:16,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:48:16,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:48:16,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:48:16,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:48:16,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:48:16,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:48:16,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:48:16,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:48:16,208 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:48:16,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:48:16,209 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:48:16,209 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:48:16,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:48:16,210 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:48:16,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:48:16,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:48:16,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:48:16,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:48:16,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:48:16,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:48:16,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:48:16,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:48:16,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:48:16,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:48:16,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:48:16,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:48:16,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:48:16,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:48:16,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:48:16,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:48:16,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:48:16,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:16,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:48:16,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:48:16,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:48:16,218 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:48:16,218 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:48:16,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:48:16,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:48:16,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:48:16,219 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-10-24 10:48:16,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:48:16,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:48:16,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:48:16,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:48:16,730 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:48:16,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-24 10:48:16,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/6a5597ab7/cd0832e7cdc748a09785335168215a48/FLAG2ddea1b1f [2021-10-24 10:48:17,650 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:48:17,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-24 10:48:17,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/6a5597ab7/cd0832e7cdc748a09785335168215a48/FLAG2ddea1b1f [2021-10-24 10:48:17,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/data/6a5597ab7/cd0832e7cdc748a09785335168215a48 [2021-10-24 10:48:17,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:48:17,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:48:17,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:17,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:48:17,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:48:17,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:17" (1/1) ... [2021-10-24 10:48:17,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1610ed07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:17, skipping insertion in model container [2021-10-24 10:48:17,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:17" (1/1) ... [2021-10-24 10:48:17,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:48:17,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:48:18,146 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-24 10:48:18,423 WARN L228 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-24 10:48:18,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:18,459 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:48:18,496 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-24 10:48:18,540 WARN L228 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_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-24 10:48:18,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:18,608 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:48:18,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18 WrapperNode [2021-10-24 10:48:18,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:18,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:18,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:48:18,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:48:18,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:18,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:48:18,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:48:18,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:48:18,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:48:18,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:48:18,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:48:18,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:48:18,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:18" (1/1) ... [2021-10-24 10:48:18,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:18,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:48:18,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:48:18,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:48:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 10:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-24 10:48:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-24 10:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 10:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 10:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-24 10:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 10:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:48:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:48:18,895 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 10:48:19,738 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:48:19,738 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-24 10:48:19,740 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-10-24 10:48:19,741 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:302) 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) [2021-10-24 10:48:19,751 INFO L168 Benchmark]: Toolchain (without parser) took 1894.12 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 46.2 MB in the beginning and 56.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:19,752 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 67.1 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:48:19,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.75 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 41.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:19,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 39.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:19,758 INFO L168 Benchmark]: Boogie Preprocessor took 86.87 ms. Allocated memory is still 67.1 MB. Free memory was 39.3 MB in the beginning and 37.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:19,759 INFO L168 Benchmark]: RCFGBuilder took 967.63 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 37.6 MB in the beginning and 56.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:19,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 67.1 MB. Free memory is still 48.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 754.75 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 41.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 39.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.87 ms. Allocated memory is still 67.1 MB. Free memory was 39.3 MB in the beginning and 37.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 967.63 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 37.6 MB in the beginning and 56.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-24 10:48:19,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca44bb3-ee3d-4eaf-a7f1-4fb6cf376c14/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...