./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:54:08,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:54:08,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:54:08,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:54:08,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:54:08,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:54:08,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:54:08,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:54:08,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:54:08,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:54:08,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:54:08,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:54:08,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:54:08,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:54:08,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:54:08,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:54:08,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:54:08,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:54:08,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:54:08,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:54:08,654 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:54:08,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:54:08,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:54:08,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:54:08,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:54:08,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:54:08,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:54:08,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:54:08,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:54:08,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:54:08,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:54:08,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:54:08,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:54:08,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:54:08,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:54:08,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:54:08,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:54:08,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:54:08,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:54:08,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:54:08,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:54:08,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:54:08,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:54:08,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:54:08,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:54:08,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:54:08,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:54:08,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:54:08,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:54:08,706 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:54:08,706 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:54:08,706 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:54:08,707 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:54:08,707 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:54:08,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:54:08,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:54:08,708 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:54:08,708 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:54:08,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:54:08,709 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:54:08,709 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:54:08,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:54:08,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:54:08,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:54:08,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:54:08,712 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:54:08,712 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:54:08,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:54:08,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:54:08,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:54:08,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:54:08,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:54:08,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:54:08,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:54:08,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:54:08,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:54:08,715 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:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35f6655b445fc5bf4a2ebfcafed490ee38fb52115875b19e3a717aa5f56b5e77 [2022-04-18 19:54:08,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:54:08,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:54:08,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:54:08,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:54:08,959 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:54:08,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2022-04-18 19:54:09,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/85690902c/956099fdf597497496d2b63e7071aeb9/FLAG726d388e5 [2022-04-18 19:54:09,464 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:54:09,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2022-04-18 19:54:09,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/85690902c/956099fdf597497496d2b63e7071aeb9/FLAG726d388e5 [2022-04-18 19:54:09,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/85690902c/956099fdf597497496d2b63e7071aeb9 [2022-04-18 19:54:09,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:54:09,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:54:09,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:54:09,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:54:09,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:54:09,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:54:09" (1/1) ... [2022-04-18 19:54:09,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2b7f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:09, skipping insertion in model container [2022-04-18 19:54:09,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:54:09" (1/1) ... [2022-04-18 19:54:09,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:54:09,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:54:09,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i[994,1007] [2022-04-18 19:54:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:54:10,281 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 19:54:10,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i[994,1007] [2022-04-18 19:54:10,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 19:54:10,444 INFO L208 MainTranslator]: Completed translation [2022-04-18 19:54:10,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10 WrapperNode [2022-04-18 19:54:10,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:54:10,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 19:54:10,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 19:54:10,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 19:54:10,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,535 INFO L137 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 321 [2022-04-18 19:54:10,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 19:54:10,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 19:54:10,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 19:54:10,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 19:54:10,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 19:54:10,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 19:54:10,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 19:54:10,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 19:54:10,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:54:10" (1/1) ... [2022-04-18 19:54:10,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:54:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:54:10,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 19:54:10,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 19:54:10,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 19:54:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 19:54:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 19:54:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 19:54:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 19:54:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 19:54:10,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 19:54:10,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 19:54:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 19:54:10,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 19:54:10,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 19:54:10,710 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 19:54:10,915 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 19:54:10,916 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 19:54:12,249 INFO L275 CfgBuilder]: Performing block encoding