./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix037.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix037.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS --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 be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:04:43,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:04:43,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:04:43,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:04:43,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:04:43,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:04:43,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:04:43,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:04:43,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:04:43,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:04:43,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:04:43,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:04:43,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:04:43,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:04:43,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:04:43,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:04:43,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:04:43,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:04:43,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:04:43,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:04:43,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:04:43,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:04:43,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:04:43,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:04:43,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:04:43,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:04:43,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:04:43,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:04:44,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:04:44,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:04:44,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:04:44,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:04:44,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:04:44,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:04:44,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:04:44,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:04:44,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:04:44,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:04:44,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:04:44,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:04:44,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:04:44,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:04:44,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:04:44,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:04:44,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:04:44,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:04:44,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:04:44,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:04:44,058 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:04:44,058 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:04:44,058 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:04:44,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:04:44,060 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:04:44,060 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:04:44,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:04:44,060 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:04:44,060 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:04:44,061 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:04:44,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:04:44,061 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:04:44,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:04:44,062 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:04:44,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:04:44,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:04:44,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:04:44,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:04:44,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:04:44,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:04:44,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:04:44,064 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:04:44,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:04:44,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:04:44,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:04:44,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:04:44,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:04:44,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:04:44,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:44,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:04:44,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:04:44,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:04:44,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:04:44,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:04:44,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:04:44,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:04:44,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:04:44,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be02b321ccd6bac38d207cd4c595c173c1a2ce3b705272ff0087ad749834a1ef [2022-11-19 07:04:44,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:04:44,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:04:44,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:04:44,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:04:44,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:04:44,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix037.opt.i [2022-11-19 07:04:44,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/data/de39e9891/7bd41dc79b424afd9236788321803b00/FLAG4bb2955bf [2022-11-19 07:04:44,965 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:04:44,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/sv-benchmarks/c/pthread-wmm/mix037.opt.i [2022-11-19 07:04:44,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/data/de39e9891/7bd41dc79b424afd9236788321803b00/FLAG4bb2955bf [2022-11-19 07:04:45,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/data/de39e9891/7bd41dc79b424afd9236788321803b00 [2022-11-19 07:04:45,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:04:45,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:04:45,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:45,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:04:45,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:04:45,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:45" (1/1) ... [2022-11-19 07:04:45,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f533214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:45, skipping insertion in model container [2022-11-19 07:04:45,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:04:45" (1/1) ... [2022-11-19 07:04:45,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:04:45,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:04:45,581 WARN L234 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_30404f12-59e9-4753-a83b-908d4aa65032/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2022-11-19 07:04:45,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:45,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:04:45,934 WARN L234 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_30404f12-59e9-4753-a83b-908d4aa65032/sv-benchmarks/c/pthread-wmm/mix037.opt.i[944,957] [2022-11-19 07:04:46,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:04:46,077 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:04:46,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46 WrapperNode [2022-11-19 07:04:46,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:04:46,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:46,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:04:46,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:04:46,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,142 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 536 [2022-11-19 07:04:46,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:04:46,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:04:46,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:04:46,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:04:46,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:04:46,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:04:46,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:04:46,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:04:46,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (1/1) ... [2022-11-19 07:04:46,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:04:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:04:46,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:04:46,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30404f12-59e9-4753-a83b-908d4aa65032/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:04:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:04:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:04:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:04:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:04:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:04:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 07:04:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 07:04:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 07:04:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 07:04:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 07:04:46,281 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 07:04:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-19 07:04:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-19 07:04:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:04:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:04:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:04:46,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:04:46,284 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:04:46,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:04:46,485 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:04:47,853 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:05:59,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:05:59,711 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:05:59,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:05:59 BoogieIcfgContainer [2022-11-19 07:05:59,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:05:59,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:05:59,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:05:59,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:05:59,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:04:45" (1/3) ... [2022-11-19 07:05:59,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474741bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:05:59, skipping insertion in model container [2022-11-19 07:05:59,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:04:46" (2/3) ... [2022-11-19 07:05:59,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474741bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:05:59, skipping insertion in model container [2022-11-19 07:05:59,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:05:59" (3/3) ... [2022-11-19 07:05:59,726 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037.opt.i [2022-11-19 07:05:59,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:05:59,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:05:59,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 200 error locations. [2022-11-19 07:05:59,746 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:06:09,606 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:06:09,645 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:06:09,659 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 339 transitions, 698 flow [2022-11-19 07:06:09,662 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 339 transitions, 698 flow [2022-11-19 07:06:09,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 339 transitions, 698 flow