./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:41,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:41,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:41,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:41,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:41,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:41,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:41,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:41,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:41,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:41,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:41,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:41,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:41,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:41,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:41,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:41,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:41,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:41,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:41,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:41,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:41,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:41,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:41,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:41,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:41,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:41,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:41,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:41,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:41,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:41,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:41,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:41,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:41,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:41,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:41,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:41,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:41,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:41,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:41,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:41,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:41,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 13:22:41,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:41,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:41,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:41,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:41,842 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:41,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:41,842 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:41,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:22:41,843 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:41,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:41,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:22:41,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:22:41,849 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:41,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:22:41,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:22:41,850 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:22:41,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:41,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:22:41,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:22:41,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:22:41,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:22:41,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:41,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:41,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:41,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:41,853 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:22:41,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:41,854 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:22:41,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:41,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:41,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:41,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:41,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:41,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:41,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:41,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:41,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:41,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:22:41,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:22:41,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:41,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:41,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:41,860 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_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-19 13:22:42,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:42,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:42,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:42,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:42,184 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:42,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 13:22:42,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/4aa3b8373/fc6c6f37b1b845839af9d2fc2b219303/FLAG67fdb898b [2021-11-19 13:22:42,961 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:42,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 13:22:42,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/4aa3b8373/fc6c6f37b1b845839af9d2fc2b219303/FLAG67fdb898b [2021-11-19 13:22:43,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/4aa3b8373/fc6c6f37b1b845839af9d2fc2b219303 [2021-11-19 13:22:43,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:43,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:43,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:43,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:43,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:43,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658395f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43, skipping insertion in model container [2021-11-19 13:22:43,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:43,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:43,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 13:22:43,697 WARN L230 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_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 13:22:43,702 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:43,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:22:43,727 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 13:22:43,773 WARN L230 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_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 13:22:43,775 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:43,829 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:22:43,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43 WrapperNode [2021-11-19 13:22:43,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:43,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:43,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:22:43,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:22:43,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,928 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2021-11-19 13:22:43,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:43,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:22:43,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:22:43,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:22:43,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:22:43,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:22:43,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:22:43,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:22:43,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:43" (1/1) ... [2021-11-19 13:22:43,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:44,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:22:44,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:22:44,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:22:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:22:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-19 13:22:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-19 13:22:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:22:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 13:22:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:22:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:22:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:22:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:22:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 13:22:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:22:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:22:44,083 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:22:44,229 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:22:44,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:22:44,603 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:22:44,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:22:44,772 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 13:22:44,778 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-19 13:22:44,779 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:304) 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) [2021-11-19 13:22:44,785 INFO L158 Benchmark]: Toolchain (without parser) took 1525.41ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 47.3MB in the beginning and 75.7MB in the end (delta: -28.4MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-19 13:22:44,789 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:22:44,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.07ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 64.1MB in the end (delta: -17.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 13:22:44,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.63ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 61.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:22:44,793 INFO L158 Benchmark]: Boogie Preprocessor took 39.44ms. Allocated memory is still 102.8MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:22:44,794 INFO L158 Benchmark]: RCFGBuilder took 812.51ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 75.7MB in the end (delta: -16.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-19 13:22:44,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.07ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 64.1MB in the end (delta: -17.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.63ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 61.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.44ms. Allocated memory is still 102.8MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.51ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 75.7MB in the end (delta: -16.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 13:22:44,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:22:47,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:22:47,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:22:47,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:22:47,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:22:47,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:22:47,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:22:47,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:22:47,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:22:47,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:22:47,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:22:47,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:22:47,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:22:47,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:22:47,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:22:47,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:22:47,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:22:47,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:22:47,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:22:47,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:22:47,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:22:47,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:22:47,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:22:47,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:22:47,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:22:47,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:22:47,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:22:47,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:22:47,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:22:47,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:22:47,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:22:47,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:22:47,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:22:47,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:22:47,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:22:47,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:22:47,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:22:47,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:22:47,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:22:47,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:22:47,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:22:47,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2021-11-19 13:22:47,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:22:47,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:22:47,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:22:47,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:22:47,748 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:22:47,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:22:47,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:22:47,749 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:22:47,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:22:47,749 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:22:47,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:22:47,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:22:47,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:22:47,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:22:47,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:22:47,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:22:47,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:47,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:22:47,753 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:22:47,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:22:47,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:22:47,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:22:47,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:22:47,754 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_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-19 13:22:48,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:22:48,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:22:48,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:22:48,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:22:48,289 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:22:48,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 13:22:48,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/729683c3f/79ed5a35789849b89cc9c8d4d95952bc/FLAGe248179a1 [2021-11-19 13:22:49,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:22:49,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-19 13:22:49,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/729683c3f/79ed5a35789849b89cc9c8d4d95952bc/FLAGe248179a1 [2021-11-19 13:22:49,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/data/729683c3f/79ed5a35789849b89cc9c8d4d95952bc [2021-11-19 13:22:49,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:22:49,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:22:49,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:49,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:22:49,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:22:49,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:49" (1/1) ... [2021-11-19 13:22:49,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267caa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:49, skipping insertion in model container [2021-11-19 13:22:49,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:22:49" (1/1) ... [2021-11-19 13:22:49,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:22:49,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:22:49,732 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 13:22:49,894 WARN L230 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_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 13:22:49,898 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:49,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:22:49,925 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-19 13:22:49,956 WARN L230 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_5d27f4ad-4d64-4998-a300-09547baf75d9/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-19 13:22:49,959 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:22:50,011 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:22:50,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50 WrapperNode [2021-11-19 13:22:50,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:22:50,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:50,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:22:50,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:22:50,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,076 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2021-11-19 13:22:50,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:22:50,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:22:50,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:22:50,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:22:50,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:22:50,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:22:50,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:22:50,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:22:50,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:22:50" (1/1) ... [2021-11-19 13:22:50,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:22:50,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:22:50,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:22:50,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:22:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:22:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-19 13:22:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-19 13:22:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 13:22:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:22:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:22:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:22:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:22:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:22:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:22:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 13:22:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:22:50,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:22:50,240 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:22:50,409 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:22:50,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:22:50,832 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:22:51,136 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:22:51,136 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 13:22:51,137 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2021-11-19 13:22:51,138 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:304) 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) [2021-11-19 13:22:51,147 INFO L158 Benchmark]: Toolchain (without parser) took 1734.13ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.7MB in the beginning and 58.3MB in the end (delta: -21.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-19 13:22:51,149 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:22:51,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.78ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 53.7MB in the end (delta: -17.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:22:51,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:22:51,153 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 81.8MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:22:51,154 INFO L158 Benchmark]: RCFGBuilder took 1021.74ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 58.3MB in the end (delta: -9.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-19 13:22:51,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.78ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 53.7MB in the end (delta: -17.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 81.8MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1021.74ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 58.3MB in the end (delta: -9.6MB). Peak memory consumption was 16.5MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-19 13:22:51,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d27f4ad-4d64-4998-a300-09547baf75d9/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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?