./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:04:05,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:04:05,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:04:05,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:04:05,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:04:05,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:04:05,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:04:05,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:04:05,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:04:05,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:04:05,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:04:05,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:04:05,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:04:05,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:04:05,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:04:05,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:04:05,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:04:05,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:04:05,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:04:05,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:04:05,284 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:04:05,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:04:05,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:04:05,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:04:05,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:04:05,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:04:05,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:04:05,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:04:05,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:04:05,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:04:05,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:04:05,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:04:05,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:04:05,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:04:05,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:04:05,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:04:05,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:04:05,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:04:05,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:04:05,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:04:05,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:04:05,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:04:05,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 18:04:05,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:04:05,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:04:05,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:04:05,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:04:05,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:04:05,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:04:05,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 18:04:05,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 18:04:05,337 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 18:04:05,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:04:05,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:04:05,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:04:05,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:04:05,339 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:04:05,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:04:05,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:04:05,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:04:05,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:04:05,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:04:05,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 18:04:05,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 18:04:05,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:04:05,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:04:05,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:04:05,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:04:05,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:04:05,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 18:04:05,342 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 18:04:05,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:04:05,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 18:04:05,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 18:04:05,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:04:05,343 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 18:04:05,343 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 18:04:05,343 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2022-04-18 18:04:05,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:04:05,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:04:05,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:04:05,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:04:05,639 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:04:05,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2022-04-18 18:04:05,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/966412ef7/12277e5ab6af445c95588d759370abe8/FLAG0ec09b3e2 [2022-04-18 18:04:06,165 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:04:06,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2022-04-18 18:04:06,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/966412ef7/12277e5ab6af445c95588d759370abe8/FLAG0ec09b3e2 [2022-04-18 18:04:06,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/966412ef7/12277e5ab6af445c95588d759370abe8 [2022-04-18 18:04:06,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:04:06,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:04:06,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:04:06,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:04:06,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:04:06,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:04:06" (1/1) ... [2022-04-18 18:04:06,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682312ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:06, skipping insertion in model container [2022-04-18 18:04:06,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:04:06" (1/1) ... [2022-04-18 18:04:06,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:04:06,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:04:06,692 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/safe019_rmo.opt.i[992,1005] [2022-04-18 18:04:06,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:04:06,929 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:04:06,944 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/safe019_rmo.opt.i[992,1005] [2022-04-18 18:04:07,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:04:07,057 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:04:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07 WrapperNode [2022-04-18 18:04:07,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:04:07,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:04:07,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:04:07,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:04:07,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,165 INFO L137 Inliner]: procedures = 177, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 336 [2022-04-18 18:04:07,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:04:07,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:04:07,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:04:07,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:04:07,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:04:07,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:04:07,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:04:07,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:04:07,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:04:07" (1/1) ... [2022-04-18 18:04:07,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:04:07,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 18:04:07,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 18:04:07,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 18:04:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:04:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:04:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 18:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 18:04:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 18:04:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 18:04:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 18:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 18:04:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 18:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 18:04:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 18:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:04:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 18:04:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:04:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:04:07,381 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 18:04:07,636 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:04:07,638 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:04:09,128 INFO L275 CfgBuilder]: Performing block encoding