./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.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/safe003_tso.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 cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:21:15,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:21:15,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:21:15,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:21:15,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:21:15,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:21:15,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:21:15,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:21:15,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:21:15,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:21:15,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:21:15,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:21:15,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:21:15,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:21:15,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:21:15,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:21:15,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:21:15,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:21:15,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:21:15,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:21:15,443 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:21:15,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:21:15,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:21:15,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:21:15,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:21:15,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:21:15,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:21:15,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:21:15,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:21:15,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:21:15,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:21:15,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:21:15,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:21:15,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:21:15,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:21:15,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:21:15,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:21:15,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:21:15,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:21:15,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:21:15,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:21:15,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:21:15,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:21:15,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:21:15,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:21:15,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:21:15,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:21:15,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:21:15,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:21:15,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:21:15,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:21:15,489 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:21:15,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:21:15,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:21:15,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:21:15,490 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:21:15,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:21:15,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:21:15,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:21:15,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:21:15,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:21:15,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:21:15,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:21:15,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:21:15,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:21:15,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:21:15,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:21:15,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 [2022-04-18 16:21:15,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:21:15,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:21:15,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:21:15,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:21:15,709 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:21:15,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2022-04-18 16:21:15,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b46d7553/c089d6ecedfc4a8f89a38f62947c30e4/FLAGf96cecc9d [2022-04-18 16:21:16,182 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:21:16,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.i [2022-04-18 16:21:16,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b46d7553/c089d6ecedfc4a8f89a38f62947c30e4/FLAGf96cecc9d [2022-04-18 16:21:16,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b46d7553/c089d6ecedfc4a8f89a38f62947c30e4 [2022-04-18 16:21:16,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:21:16,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:21:16,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:21:16,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:21:16,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:21:16,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cd60ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16, skipping insertion in model container [2022-04-18 16:21:16,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:21:16,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:21:16,402 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/safe003_tso.i[945,958] [2022-04-18 16:21:16,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:21:16,553 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:21:16,562 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/safe003_tso.i[945,958] [2022-04-18 16:21:16,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:21:16,621 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:21:16,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16 WrapperNode [2022-04-18 16:21:16,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:21:16,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:21:16,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:21:16,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:21:16,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,673 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-04-18 16:21:16,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:21:16,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:21:16,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:21:16,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:21:16,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:21:16,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:21:16,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:21:16,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:21:16,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (1/1) ... [2022-04-18 16:21:16,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:21:16,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:21:16,732 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 16:21:16,737 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 16:21:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:21:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:21:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:21:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:21:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:21:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:21:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:21:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:21:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:21:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:21:16,763 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 16:21:16,857 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:21:16,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:21:17,061 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:21:17,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:21:17,122 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:21:17,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:21:17 BoogieIcfgContainer [2022-04-18 16:21:17,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:21:17,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:21:17,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:21:17,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:21:17,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:21:16" (1/3) ... [2022-04-18 16:21:17,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19581284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:21:17, skipping insertion in model container [2022-04-18 16:21:17,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:21:16" (2/3) ... [2022-04-18 16:21:17,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19581284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:21:17, skipping insertion in model container [2022-04-18 16:21:17,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:21:17" (3/3) ... [2022-04-18 16:21:17,129 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.i [2022-04-18 16:21:17,132 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:21:17,132 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:21:17,133 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-04-18 16:21:17,133 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:21:17,162 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:21:17,210 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:21:17,215 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 16:21:17,216 INFO L341 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-04-18 16:21:17,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2022-04-18 16:21:17,255 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2022-04-18 16:21:17,256 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:21:17,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 123 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-04-18 16:21:17,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2022-04-18 16:21:17,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2022-04-18 16:21:17,265 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2022-04-18 16:21:17,265 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:21:17,266 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:21:17,266 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] [2022-04-18 16:21:17,266 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-04-18 16:21:17,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:21:17,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1571496005, now seen corresponding path program 1 times [2022-04-18 16:21:17,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:21:17,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468465356] [2022-04-18 16:21:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:21:17,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:21:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:21:17,434 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 16:21:17,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:21:17,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468465356] [2022-04-18 16:21:17,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468465356] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:21:17,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:21:17,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:21:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293307001] [2022-04-18 16:21:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:21:17,444 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:21:17,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:21:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:21:17,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:21:17,469 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 119 [2022-04-18 16:21:17,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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 16:21:17,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:21:17,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 119 [2022-04-18 16:21:17,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:21:17,660 INFO L129 PetriNetUnfolder]: 396/829 cut-off events. [2022-04-18 16:21:17,660 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-04-18 16:21:17,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 829 events. 396/829 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4738 event pairs, 396 based on Foata normal form. 54/816 useless extension candidates. Maximal degree in co-relation 1451. Up to 609 conditions per place. [2022-04-18 16:21:17,669 INFO L132 encePairwiseOnDemand]: 95/119 looper letters, 14 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2022-04-18 16:21:17,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 91 transitions, 219 flow [2022-04-18 16:21:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:21:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:21:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 198 transitions. [2022-04-18 16:21:17,678 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8319327731092437 [2022-04-18 16:21:17,679 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 198 transitions. [2022-04-18 16:21:17,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 198 transitions. [2022-04-18 16:21:17,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:21:17,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 198 transitions. [2022-04-18 16:21:17,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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 16:21:17,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 16:21:17,689 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 16:21:17,690 INFO L186 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 2 states and 198 transitions. [2022-04-18 16:21:17,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 91 transitions, 219 flow [2022-04-18 16:21:17,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 91 transitions, 216 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-04-18 16:21:17,694 INFO L242 Difference]: Finished difference. Result has 99 places, 91 transitions, 188 flow [2022-04-18 16:21:17,695 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=99, PETRI_TRANSITIONS=91} [2022-04-18 16:21:17,698 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, -25 predicate places. [2022-04-18 16:21:17,698 INFO L478 AbstractCegarLoop]: Abstraction has has 99 places, 91 transitions, 188 flow [2022-04-18 16:21:17,698 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.0) internal successors, (162), 2 states have internal predecessors, (162), 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 16:21:17,698 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:21:17,698 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] [2022-04-18 16:21:17,698 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:21:17,699 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-04-18 16:21:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:21:17,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1047941039, now seen corresponding path program 1 times [2022-04-18 16:21:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:21:17,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118119656] [2022-04-18 16:21:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:21:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:21:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:21:17,779 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 16:21:17,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:21:17,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118119656] [2022-04-18 16:21:17,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118119656] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:21:17,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:21:17,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:21:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878495983] [2022-04-18 16:21:17,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:21:17,781 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:21:17,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:21:17,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:21:17,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:21:17,782 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 119 [2022-04-18 16:21:17,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 91 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 16:21:17,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:21:17,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 119 [2022-04-18 16:21:17,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:21:18,023 INFO L129 PetriNetUnfolder]: 684/2901 cut-off events. [2022-04-18 16:21:18,024 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:21:18,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3970 conditions, 2901 events. 684/2901 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 25868 event pairs, 252 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 3967. Up to 624 conditions per place. [2022-04-18 16:21:18,038 INFO L132 encePairwiseOnDemand]: 117/119 looper letters, 24 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2022-04-18 16:21:18,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 99 transitions, 254 flow [2022-04-18 16:21:18,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:21:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:21:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2022-04-18 16:21:18,043 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7198879551820728 [2022-04-18 16:21:18,044 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:21:18,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 16:21:18,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 16:21:18,048 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 16:21:18,048 INFO L186 Difference]: Start difference. First operand has 99 places, 91 transitions, 188 flow. Second operand 3 states and 257 transitions. [2022-04-18 16:21:18,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 99 transitions, 254 flow [2022-04-18 16:21:18,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 99 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:21:18,051 INFO L242 Difference]: Finished difference. Result has 100 places, 90 transitions, 188 flow [2022-04-18 16:21:18,052 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=100, PETRI_TRANSITIONS=90} [2022-04-18 16:21:18,052 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, -24 predicate places. [2022-04-18 16:21:18,052 INFO L478 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 188 flow [2022-04-18 16:21:18,053 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 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 16:21:18,053 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:21:18,053 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] [2022-04-18 16:21:18,054 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:21:18,054 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2022-04-18 16:21:18,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:21:18,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1388098241, now seen corresponding path program 1 times [2022-04-18 16:21:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:21:18,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382840251] [2022-04-18 16:21:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:21:18,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:21:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:21:18,109 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 16:21:18,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:21:18,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382840251] [2022-04-18 16:21:18,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382840251] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:21:18,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:21:18,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:21:18,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996047515] [2022-04-18 16:21:18,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:21:18,112 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:21:18,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:21:18,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:21:18,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:21:18,114 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 119 [2022-04-18 16:21:18,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 16:21:18,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:21:18,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 119 [2022-04-18 16:21:18,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:21:18,306 INFO L129 PetriNetUnfolder]: 684/2312 cut-off events. [2022-04-18 16:21:18,306 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:21:18,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3383 conditions, 2312 events. 684/2312 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 18886 event pairs, 396 based on Foata normal form. 0/2184 useless extension candidates. Maximal degree in co-relation 3379. Up to 609 conditions per place. [2022-04-18 16:21:18,313 INFO L132 encePairwiseOnDemand]: 117/119 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-04-18 16:21:18,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 254 flow [2022-04-18 16:21:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:21:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:21:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2022-04-18 16:21:18,315 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7198879551820728 [2022-04-18 16:21:18,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:21:18,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2022-04-18 16:21:18,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 16:21:18,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 16:21:18,318 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 16:21:18,318 INFO L186 Difference]: Start difference. First operand has 100 places, 90 transitions, 188 flow. Second operand 3 states and 257 transitions. [2022-04-18 16:21:18,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 254 flow [2022-04-18 16:21:18,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:21:18,321 INFO L242 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-04-18 16:21:18,321 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-04-18 16:21:18,323 INFO L335 CegarLoopForPetriNet]: 124 programPoint places, -24 predicate places. [2022-04-18 16:21:18,323 INFO L478 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-04-18 16:21:18,323 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 16:21:18,325 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining) [2022-04-18 16:21:18,325 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining) [2022-04-18 16:21:18,326 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining) [2022-04-18 16:21:18,326 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining) [2022-04-18 16:21:18,326 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining) [2022-04-18 16:21:18,326 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining) [2022-04-18 16:21:18,327 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining) [2022-04-18 16:21:18,327 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining) [2022-04-18 16:21:18,327 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining) [2022-04-18 16:21:18,330 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining) [2022-04-18 16:21:18,331 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining) [2022-04-18 16:21:18,332 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining) [2022-04-18 16:21:18,333 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining) [2022-04-18 16:21:18,334 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining) [2022-04-18 16:21:18,334 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining) [2022-04-18 16:21:18,334 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining) [2022-04-18 16:21:18,335 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining) [2022-04-18 16:21:18,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining) [2022-04-18 16:21:18,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining) [2022-04-18 16:21:18,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining) [2022-04-18 16:21:18,336 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining) [2022-04-18 16:21:18,337 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining) [2022-04-18 16:21:18,338 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining) [2022-04-18 16:21:18,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining) [2022-04-18 16:21:18,340 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining) [2022-04-18 16:21:18,343 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining) [2022-04-18 16:21:18,343 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:21:18,347 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-18 16:21:18,351 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:21:18,351 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:21:18,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:21:18 BasicIcfg [2022-04-18 16:21:18,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:21:18,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:21:18,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:21:18,359 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:21:18,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:21:17" (3/4) ... [2022-04-18 16:21:18,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:21:18,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 16:21:18,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 16:21:18,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 16:21:18,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2022-04-18 16:21:18,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-04-18 16:21:18,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:21:18,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:21:18,420 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:21:18,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:21:18,421 INFO L158 Benchmark]: Toolchain (without parser) took 2209.10ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 74.5MB in the beginning and 73.6MB in the end (delta: 871.5kB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,421 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:21:18,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.64ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 73.6MB in the end (delta: 657.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.43ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:21:18,422 INFO L158 Benchmark]: Boogie Preprocessor took 34.66ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,422 INFO L158 Benchmark]: RCFGBuilder took 414.98ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 44.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,422 INFO L158 Benchmark]: TraceAbstraction took 1232.85ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 77.8MB in the end (delta: -33.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,423 INFO L158 Benchmark]: Witness Printer took 61.71ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 73.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:21:18,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.64ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 73.6MB in the end (delta: 657.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.43ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 71.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.66ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 414.98ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 44.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1232.85ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 44.2MB in the beginning and 77.8MB in the end (delta: -33.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 61.71ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 73.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 157 locations, 42 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:21:18,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE