./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053.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/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:14:41,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:14:41,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:14:41,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:14:41,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:14:41,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:14:41,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:14:41,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:14:41,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:14:41,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:14:41,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:14:41,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:14:41,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:14:41,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:14:41,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:14:41,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:14:41,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:14:41,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:14:41,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:14:41,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:14:41,426 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:14:41,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:14:41,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:14:41,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:14:41,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:14:41,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:14:41,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:14:41,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:14:41,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:14:41,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:14:41,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:14:41,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:14:41,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:14:41,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:14:41,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:14:41,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:14:41,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:14:41,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:14:41,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:14:41,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:14:41,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:14:41,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:14:41,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:14:41,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:14:41,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:14:41,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:14:41,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:14:41,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:14:41,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:14:41,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:14:41,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:14:41,464 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:14:41,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:14:41,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:14:41,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:14:41,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:14:41,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:14:41,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:14:41,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:14:41,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:14:41,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:14:41,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:14:41,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:14:41,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:14:41,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:14:41,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:14:41,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:14:41,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:14:41,468 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6 [2022-04-18 16:14:41,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:14:41,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:14:41,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:14:41,675 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:14:41,675 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:14:41,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053.opt.i [2022-04-18 16:14:41,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac35167dd/9fa98a0b2eac4612bca35108cb439add/FLAG69467d284 [2022-04-18 16:14:42,111 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:14:42,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053.opt.i [2022-04-18 16:14:42,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac35167dd/9fa98a0b2eac4612bca35108cb439add/FLAG69467d284 [2022-04-18 16:14:42,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac35167dd/9fa98a0b2eac4612bca35108cb439add [2022-04-18 16:14:42,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:14:42,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:14:42,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:14:42,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:14:42,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:14:42,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2899c5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42, skipping insertion in model container [2022-04-18 16:14:42,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:14:42,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:14:42,365 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/mix053.opt.i[944,957] [2022-04-18 16:14:42,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:14:42,541 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:14:42,555 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/mix053.opt.i[944,957] [2022-04-18 16:14:42,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:14:42,612 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:14:42,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42 WrapperNode [2022-04-18 16:14:42,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:14:42,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:14:42,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:14:42,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:14:42,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,674 INFO L137 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 511 [2022-04-18 16:14:42,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:14:42,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:14:42,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:14:42,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:14:42,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:14:42,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:14:42,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:14:42,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:14:42,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (1/1) ... [2022-04-18 16:14:42,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:14:42,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:14:42,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:14:42,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:14:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:14:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:14:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:14:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:14:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:14:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:14:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:14:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:14:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:14:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:14:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:14:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 16:14:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 16:14:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:14:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:14:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:14:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:14:42,793 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 16:14:42,960 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:14:42,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:14:43,722 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:16:31,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:16:31,692 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:16:31,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:16:31 BoogieIcfgContainer [2022-04-18 16:16:31,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:16:31,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:16:31,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:16:31,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:16:31,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:14:42" (1/3) ... [2022-04-18 16:16:31,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44286cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:16:31, skipping insertion in model container [2022-04-18 16:16:31,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:14:42" (2/3) ... [2022-04-18 16:16:31,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44286cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:16:31, skipping insertion in model container [2022-04-18 16:16:31,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:16:31" (3/3) ... [2022-04-18 16:16:31,708 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053.opt.i [2022-04-18 16:16:31,711 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:16:31,711 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:16:31,712 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 195 error locations. [2022-04-18 16:16:31,712 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:16:41,295 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:16:41,326 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:16:41,330 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:16:41,331 INFO L341 AbstractCegarLoop]: Starting to check reachability of 357 error locations. [2022-04-18 16:16:41,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 340 places, 329 transitions, 678 flow [2022-04-18 16:16:41,678 INFO L129 PetriNetUnfolder]: 2/325 cut-off events. [2022-04-18 16:16:41,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:16:41,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 325 events. 2/325 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1716 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 285. Up to 2 conditions per place. [2022-04-18 16:16:41,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 340 places, 329 transitions, 678 flow [2022-04-18 16:16:41,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 325 transitions, 662 flow [2022-04-18 16:16:41,710 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2022-04-18 16:16:41,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:16:41,711 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:16:41,711 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:16:41,712 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 353 more)] === [2022-04-18 16:16:41,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:16:41,719 INFO L85 PathProgramCache]: Analyzing trace with hash -803462357, now seen corresponding path program 1 times [2022-04-18 16:16:41,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:16:41,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897102061] [2022-04-18 16:16:41,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:16:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:16:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:16:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:16:42,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:16:42,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897102061] [2022-04-18 16:16:42,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897102061] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:16:42,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:16:42,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:16:42,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197954057] [2022-04-18 16:16:42,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:16:42,464 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:16:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:16:42,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:16:42,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:16:42,489 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 329 [2022-04-18 16:16:42,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 325 transitions, 662 flow. Second operand has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:42,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:16:42,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 329 [2022-04-18 16:16:42,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:16:55,255 INFO L129 PetriNetUnfolder]: 3756/12857 cut-off events. [2022-04-18 16:16:55,255 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-04-18 16:16:55,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18153 conditions, 12857 events. 3756/12857 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 148522 event pairs, 3756 based on Foata normal form. 560/12614 useless extension candidates. Maximal degree in co-relation 18098. Up to 5121 conditions per place. [2022-04-18 16:16:55,357 INFO L132 encePairwiseOnDemand]: 134/329 looper letters, 20 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2022-04-18 16:16:55,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 129 transitions, 310 flow [2022-04-18 16:16:55,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:16:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:16:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 441 transitions. [2022-04-18 16:16:55,372 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6702127659574468 [2022-04-18 16:16:55,373 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 441 transitions. [2022-04-18 16:16:55,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 441 transitions. [2022-04-18 16:16:55,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:16:55,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 441 transitions. [2022-04-18 16:16:55,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:55,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:55,388 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:55,389 INFO L186 Difference]: Start difference. First operand has 336 places, 325 transitions, 662 flow. Second operand 2 states and 441 transitions. [2022-04-18 16:16:55,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 129 transitions, 310 flow [2022-04-18 16:16:55,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 129 transitions, 306 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:16:55,396 INFO L242 Difference]: Finished difference. Result has 139 places, 129 transitions, 266 flow [2022-04-18 16:16:55,397 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=266, PETRI_PLACES=139, PETRI_TRANSITIONS=129} [2022-04-18 16:16:55,400 INFO L335 CegarLoopForPetriNet]: 336 programPoint places, -197 predicate places. [2022-04-18 16:16:55,400 INFO L478 AbstractCegarLoop]: Abstraction has has 139 places, 129 transitions, 266 flow [2022-04-18 16:16:55,400 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:55,401 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:16:55,401 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:16:55,401 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:16:55,402 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 353 more)] === [2022-04-18 16:16:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:16:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1919806405, now seen corresponding path program 1 times [2022-04-18 16:16:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:16:55,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867100126] [2022-04-18 16:16:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:16:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:16:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:16:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:16:55,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:16:55,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867100126] [2022-04-18 16:16:55,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867100126] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:16:55,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:16:55,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:16:55,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311431569] [2022-04-18 16:16:55,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:16:55,736 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:16:55,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:16:55,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:16:55,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:16:55,742 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 329 [2022-04-18 16:16:55,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 129 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:16:55,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:16:55,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 329 [2022-04-18 16:16:55,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand