./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/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_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/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_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/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 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed --- 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 08:06:36,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:06:36,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:06:36,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:06:36,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:06:36,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:06:36,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:06:36,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:06:36,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:06:36,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:06:36,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:06:36,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:06:36,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:06:36,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:06:36,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:06:36,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:06:36,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:06:36,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:06:36,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:06:36,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:06:36,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:06:36,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:06:36,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:06:36,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:06:36,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:06:36,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:06:36,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:06:36,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:06:36,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:06:36,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:06:36,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:06:36,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:06:36,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:06:36,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:06:36,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:06:36,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:06:36,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:06:36,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:06:36,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:06:36,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:06:36,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:06:36,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:06:36,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:06:36,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:06:36,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:06:36,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:06:36,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:06:36,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:06:36,301 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:06:36,301 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:06:36,301 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:06:36,301 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:06:36,303 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:06:36,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:06:36,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:06:36,303 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:06:36,304 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:06:36,304 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:06:36,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:06:36,304 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:06:36,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:06:36,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:06:36,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:06:36,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:06:36,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:06:36,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:06:36,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:06:36,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:06:36,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:06:36,308 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:06:36,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:06:36,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:06:36,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:06:36,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:06:36,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:06:36,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:06:36,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:06:36,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:06:36,310 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:06:36,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:06:36,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:06:36,311 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:06:36,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:06:36,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:06:36,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:06:36,312 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_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed [2022-11-19 08:06:36,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:06:36,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:06:36,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:06:36,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:06:36,740 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:06:36,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2022-11-19 08:06:36,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/data/fdd740681/299baaf000df4fbda70341f569ad1c2b/FLAGa954e798d [2022-11-19 08:06:37,544 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:06:37,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2022-11-19 08:06:37,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/data/fdd740681/299baaf000df4fbda70341f569ad1c2b/FLAGa954e798d [2022-11-19 08:06:37,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/data/fdd740681/299baaf000df4fbda70341f569ad1c2b [2022-11-19 08:06:37,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:06:37,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:06:37,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:06:37,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:06:37,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:06:37,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:37" (1/1) ... [2022-11-19 08:06:37,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8a56c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:37, skipping insertion in model container [2022-11-19 08:06:37,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:37" (1/1) ... [2022-11-19 08:06:37,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:06:37,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:06:38,207 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_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i[1001,1014] [2022-11-19 08:06:38,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:06:38,492 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:06:38,506 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_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i[1001,1014] [2022-11-19 08:06:38,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:06:38,617 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:06:38,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38 WrapperNode [2022-11-19 08:06:38,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:06:38,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:06:38,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:06:38,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:06:38,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,721 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 492 [2022-11-19 08:06:38,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:06:38,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:06:38,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:06:38,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:06:38,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,810 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:06:38,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:06:38,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:06:38,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:06:38,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (1/1) ... [2022-11-19 08:06:38,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:06:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:06:38,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:06:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e280cf-c88e-4a1f-a6df-1d2c0a5abfe2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:06:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:06:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:06:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:06:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:06:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:06:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-19 08:06:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-19 08:06:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-19 08:06:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-19 08:06:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-19 08:06:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-19 08:06:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:06:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:06:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:06:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:06:38,947 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 08:06:39,227 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:06:39,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:06:40,727 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:07:27,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:07:27,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:07:27,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:27 BoogieIcfgContainer [2022-11-19 08:07:27,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:07:27,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:07:27,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:07:27,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:07:27,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:37" (1/3) ... [2022-11-19 08:07:27,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10145b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:27, skipping insertion in model container [2022-11-19 08:07:27,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:38" (2/3) ... [2022-11-19 08:07:27,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10145b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:27, skipping insertion in model container [2022-11-19 08:07:27,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:27" (3/3) ... [2022-11-19 08:07:27,603 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016_power.opt_rmo.opt.i [2022-11-19 08:07:27,614 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:07:27,627 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:07:27,627 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 220 error locations. [2022-11-19 08:07:27,628 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:07:36,401 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 08:07:36,451 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:07:36,471 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 339 transitions, 693 flow [2022-11-19 08:07:36,475 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 339 transitions, 693 flow [2022-11-19 08:07:36,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 339 transitions, 693 flow [2022-11-19 08:07:39,763 INFO L130 PetriNetUnfolder]: 2/336 cut-off events. [2022-11-19 08:07:39,763 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 08:07:39,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 336 events. 2/336 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1843 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2022-11-19 08:07:39,804 INFO L119 LiptonReduction]: Number of co-enabled transitions 59114 [2022-11-19 08:08:42,185 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 2510 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:08:55,929 WARN L233 SmtUtils]: Spent 13.65s on a formula simplification. DAG size of input: 2510 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:09:09,245 WARN L233 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 2510 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:09:23,832 WARN L233 SmtUtils]: Spent 14.51s on a formula simplification. DAG size of input: 2667 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:09:38,436 WARN L233 SmtUtils]: Spent 14.53s on a formula simplification. DAG size of input: 2676 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:09:48,288 WARN L233 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 2522 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:10:01,335 WARN L233 SmtUtils]: Spent 12.97s on a formula simplification. DAG size of input: 2522 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:10:21,421 WARN L233 SmtUtils]: Spent 7.64s on a formula simplification. DAG size of input: 2310 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:10:31,593 WARN L233 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 2741 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:11:09,199 WARN L233 SmtUtils]: Spent 37.46s on a formula simplification. DAG size of input: 4825 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:11:49,135 WARN L233 SmtUtils]: Spent 39.86s on a formula simplification. DAG size of input: 4827 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:12:40,640 WARN L233 SmtUtils]: Spent 51.42s on a formula simplification. DAG size of input: 5251 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:13:24,986 WARN L233 SmtUtils]: Spent 44.20s on a formula simplification. DAG size of input: 5251 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:14:07,418 WARN L233 SmtUtils]: Spent 42.33s on a formula simplification. DAG size of input: 4827 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:14:49,822 WARN L233 SmtUtils]: Spent 42.32s on a formula simplification. DAG size of input: 4827 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:15:39,039 WARN L233 SmtUtils]: Spent 49.13s on a formula simplification. DAG size of input: 5293 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)