./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.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 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 02:40:00,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:40:00,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:40:00,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:40:00,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:40:00,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:40:00,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:40:00,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:40:00,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:40:00,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:40:00,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:40:00,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:40:00,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:40:00,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:40:00,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:40:00,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:40:00,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:40:00,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:40:00,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:40:00,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:40:00,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:40:00,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:40:00,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:40:00,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:40:00,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:40:00,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:40:00,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:40:00,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:40:00,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:40:00,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:40:00,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:40:00,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:40:00,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:40:00,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:40:00,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:40:00,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:40:00,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:40:00,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:40:00,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:40:00,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:40:00,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:40:00,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:40:00,717 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:40:00,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:40:00,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:40:00,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:40:00,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:40:00,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:40:00,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:40:00,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:40:00,721 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:40:00,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:40:00,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:40:00,723 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:40:00,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:40:00,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:40:00,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:40:00,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:40:00,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:40:00,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:40:00,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:40:00,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:40:00,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:40:00,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:40:00,726 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aeaf730cbe4eb831d189bfd9925d1660c7714b9e685f389bc2495c0943d6472 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:40:01,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:40:01,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:40:01,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:40:01,068 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:40:01,069 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:40:01,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-08-29 02:40:02,353 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:40:02,615 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:40:02,616 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-08-29 02:40:02,626 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c71aaa0/270cb154fe5447369aa1438144268146/FLAG4ee2f8cb2 [2023-08-29 02:40:02,644 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c71aaa0/270cb154fe5447369aa1438144268146 [2023-08-29 02:40:02,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:40:02,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:40:02,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:40:02,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:40:02,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:40:02,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:40:02" (1/1) ... [2023-08-29 02:40:02,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eafba4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:02, skipping insertion in model container [2023-08-29 02:40:02,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:40:02" (1/1) ... [2023-08-29 02:40:02,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:40:02,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:40:02,865 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2023-08-29 02:40:03,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:40:03,061 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:40:03,071 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2023-08-29 02:40:03,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:40:03,191 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:40:03,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03 WrapperNode [2023-08-29 02:40:03,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:40:03,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:40:03,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:40:03,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:40:03,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,255 INFO L138 Inliner]: procedures = 165, calls = 35, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 174 [2023-08-29 02:40:03,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:40:03,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:40:03,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:40:03,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:40:03,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:40:03,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:40:03,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:40:03,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:40:03,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (1/1) ... [2023-08-29 02:40:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:40:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:40:03,322 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) [2023-08-29 02:40:03,348 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 [2023-08-29 02:40:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:40:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-08-29 02:40:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-08-29 02:40:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:40:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:40:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:40:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:40:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:40:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:40:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:40:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:40:03,363 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 02:40:03,553 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:40:03,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:40:03,934 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:40:03,941 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:40:03,944 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 02:40:03,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:40:03 BoogieIcfgContainer [2023-08-29 02:40:03,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:40:03,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:40:03,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:40:03,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:40:03,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:40:02" (1/3) ... [2023-08-29 02:40:03,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c513f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:40:03, skipping insertion in model container [2023-08-29 02:40:03,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:40:03" (2/3) ... [2023-08-29 02:40:03,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c513f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:40:03, skipping insertion in model container [2023-08-29 02:40:03,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:40:03" (3/3) ... [2023-08-29 02:40:03,955 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2023-08-29 02:40:03,962 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:40:03,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:40:03,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 02:40:03,971 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:40:04,040 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:40:04,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 192 transitions, 389 flow [2023-08-29 02:40:04,131 INFO L130 PetriNetUnfolder]: 10/191 cut-off events. [2023-08-29 02:40:04,131 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:40:04,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 191 events. 10/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 338 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 147. Up to 2 conditions per place. [2023-08-29 02:40:04,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 192 transitions, 389 flow [2023-08-29 02:40:04,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 191 transitions, 385 flow [2023-08-29 02:40:04,162 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:40:04,172 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 191 transitions, 385 flow [2023-08-29 02:40:04,174 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 191 transitions, 385 flow [2023-08-29 02:40:04,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 191 transitions, 385 flow [2023-08-29 02:40:04,209 INFO L130 PetriNetUnfolder]: 10/191 cut-off events. [2023-08-29 02:40:04,210 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:40:04,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 191 events. 10/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 336 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 147. Up to 2 conditions per place. [2023-08-29 02:40:04,216 INFO L119 LiptonReduction]: Number of co-enabled transitions 10120 [2023-08-29 02:40:09,166 INFO L134 LiptonReduction]: Checked pairs total: 49079 [2023-08-29 02:40:09,166 INFO L136 LiptonReduction]: Total number of compositions: 137 [2023-08-29 02:40:09,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:40:09,189 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a5a383e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:40:09,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-08-29 02:40:09,190 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 02:40:09,191 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:40:09,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:09,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 02:40:09,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:09,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash 692, now seen corresponding path program 1 times [2023-08-29 02:40:09,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:09,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693624776] [2023-08-29 02:40:09,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:09,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693624776] [2023-08-29 02:40:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693624776] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:09,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:09,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 02:40:09,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279457810] [2023-08-29 02:40:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:09,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 02:40:09,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:09,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 02:40:09,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 02:40:09,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 329 [2023-08-29 02:40:09,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 82 transitions, 167 flow. Second operand has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 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) [2023-08-29 02:40:09,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:09,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 329 [2023-08-29 02:40:09,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:09,504 INFO L130 PetriNetUnfolder]: 174/629 cut-off events. [2023-08-29 02:40:09,505 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:40:09,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 629 events. 174/629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3545 event pairs, 116 based on Foata normal form. 19/572 useless extension candidates. Maximal degree in co-relation 939. Up to 315 conditions per place. [2023-08-29 02:40:09,513 INFO L137 encePairwiseOnDemand]: 325/329 looper letters, 28 selfloop transitions, 0 changer transitions 0/77 dead transitions. [2023-08-29 02:40:09,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 213 flow [2023-08-29 02:40:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 02:40:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 02:40:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 398 transitions. [2023-08-29 02:40:09,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6048632218844985 [2023-08-29 02:40:09,534 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 398 transitions. [2023-08-29 02:40:09,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 398 transitions. [2023-08-29 02:40:09,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:09,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 398 transitions. [2023-08-29 02:40:09,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 199.0) internal successors, (398), 2 states have internal predecessors, (398), 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) [2023-08-29 02:40:09,544 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) [2023-08-29 02:40:09,544 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) [2023-08-29 02:40:09,545 INFO L175 Difference]: Start difference. First operand has 79 places, 82 transitions, 167 flow. Second operand 2 states and 398 transitions. [2023-08-29 02:40:09,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 213 flow [2023-08-29 02:40:09,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:40:09,550 INFO L231 Difference]: Finished difference. Result has 76 places, 77 transitions, 156 flow [2023-08-29 02:40:09,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=156, PETRI_PLACES=76, PETRI_TRANSITIONS=77} [2023-08-29 02:40:09,563 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -3 predicate places. [2023-08-29 02:40:09,564 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 77 transitions, 156 flow [2023-08-29 02:40:09,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 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) [2023-08-29 02:40:09,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:09,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:40:09,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:40:09,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:09,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:09,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1489878533, now seen corresponding path program 1 times [2023-08-29 02:40:09,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:09,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129856861] [2023-08-29 02:40:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:09,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:10,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:10,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129856861] [2023-08-29 02:40:10,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129856861] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:10,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:10,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:40:10,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416186788] [2023-08-29 02:40:10,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:10,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:40:10,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:10,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:40:10,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:40:10,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 329 [2023-08-29 02:40:10,369 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 139.33333333333334) internal successors, (836), 6 states have internal predecessors, (836), 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) [2023-08-29 02:40:10,369 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:10,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 329 [2023-08-29 02:40:10,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:10,827 INFO L130 PetriNetUnfolder]: 1263/2857 cut-off events. [2023-08-29 02:40:10,827 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:40:10,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5248 conditions, 2857 events. 1263/2857 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 18284 event pairs, 118 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 5245. Up to 1185 conditions per place. [2023-08-29 02:40:10,841 INFO L137 encePairwiseOnDemand]: 291/329 looper letters, 120 selfloop transitions, 45 changer transitions 0/182 dead transitions. [2023-08-29 02:40:10,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 182 transitions, 696 flow [2023-08-29 02:40:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:40:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:40:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 998 transitions. [2023-08-29 02:40:10,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5055724417426545 [2023-08-29 02:40:10,845 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 998 transitions. [2023-08-29 02:40:10,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 998 transitions. [2023-08-29 02:40:10,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:10,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 998 transitions. [2023-08-29 02:40:10,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 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) [2023-08-29 02:40:10,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:10,854 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:10,855 INFO L175 Difference]: Start difference. First operand has 76 places, 77 transitions, 156 flow. Second operand 6 states and 998 transitions. [2023-08-29 02:40:10,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 182 transitions, 696 flow [2023-08-29 02:40:10,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 182 transitions, 696 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:40:10,859 INFO L231 Difference]: Finished difference. Result has 86 places, 122 transitions, 502 flow [2023-08-29 02:40:10,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=502, PETRI_PLACES=86, PETRI_TRANSITIONS=122} [2023-08-29 02:40:10,860 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 7 predicate places. [2023-08-29 02:40:10,860 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 122 transitions, 502 flow [2023-08-29 02:40:10,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.33333333333334) internal successors, (836), 6 states have internal predecessors, (836), 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) [2023-08-29 02:40:10,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:10,861 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:40:10,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:40:10,862 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:10,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:10,862 INFO L85 PathProgramCache]: Analyzing trace with hash 800446112, now seen corresponding path program 1 times [2023-08-29 02:40:10,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:10,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258811197] [2023-08-29 02:40:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:10,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:11,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:11,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258811197] [2023-08-29 02:40:11,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258811197] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:11,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:11,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:40:11,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773796918] [2023-08-29 02:40:11,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:11,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:40:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:11,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:40:11,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:40:11,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 329 [2023-08-29 02:40:11,362 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 122 transitions, 502 flow. Second operand has 6 states, 6 states have (on average 157.66666666666666) internal successors, (946), 6 states have internal predecessors, (946), 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) [2023-08-29 02:40:11,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:11,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 329 [2023-08-29 02:40:11,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:11,980 INFO L130 PetriNetUnfolder]: 1434/3517 cut-off events. [2023-08-29 02:40:11,980 INFO L131 PetriNetUnfolder]: For 1213/1344 co-relation queries the response was YES. [2023-08-29 02:40:11,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8430 conditions, 3517 events. 1434/3517 cut-off events. For 1213/1344 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 22869 event pairs, 162 based on Foata normal form. 40/3147 useless extension candidates. Maximal degree in co-relation 8422. Up to 1412 conditions per place. [2023-08-29 02:40:12,000 INFO L137 encePairwiseOnDemand]: 310/329 looper letters, 158 selfloop transitions, 37 changer transitions 0/248 dead transitions. [2023-08-29 02:40:12,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 248 transitions, 1354 flow [2023-08-29 02:40:12,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:40:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:40:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2023-08-29 02:40:12,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5435663627152989 [2023-08-29 02:40:12,004 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1073 transitions. [2023-08-29 02:40:12,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1073 transitions. [2023-08-29 02:40:12,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:12,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1073 transitions. [2023-08-29 02:40:12,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 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) [2023-08-29 02:40:12,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:12,012 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:12,012 INFO L175 Difference]: Start difference. First operand has 86 places, 122 transitions, 502 flow. Second operand 6 states and 1073 transitions. [2023-08-29 02:40:12,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 248 transitions, 1354 flow [2023-08-29 02:40:12,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 248 transitions, 1354 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:40:12,022 INFO L231 Difference]: Finished difference. Result has 96 places, 158 transitions, 810 flow [2023-08-29 02:40:12,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=96, PETRI_TRANSITIONS=158} [2023-08-29 02:40:12,023 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 17 predicate places. [2023-08-29 02:40:12,024 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 158 transitions, 810 flow [2023-08-29 02:40:12,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.66666666666666) internal successors, (946), 6 states have internal predecessors, (946), 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) [2023-08-29 02:40:12,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:12,025 INFO L208 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] [2023-08-29 02:40:12,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:40:12,025 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:12,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1582309732, now seen corresponding path program 1 times [2023-08-29 02:40:12,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:12,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424257286] [2023-08-29 02:40:12,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:12,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:12,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:12,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424257286] [2023-08-29 02:40:12,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424257286] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:12,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:12,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:40:12,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425367324] [2023-08-29 02:40:12,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:12,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:40:12,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:12,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:40:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:40:12,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 329 [2023-08-29 02:40:12,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 158 transitions, 810 flow. Second operand has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 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) [2023-08-29 02:40:12,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:12,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 329 [2023-08-29 02:40:12,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:13,573 INFO L130 PetriNetUnfolder]: 3189/6361 cut-off events. [2023-08-29 02:40:13,576 INFO L131 PetriNetUnfolder]: For 4700/4859 co-relation queries the response was YES. [2023-08-29 02:40:13,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19498 conditions, 6361 events. 3189/6361 cut-off events. For 4700/4859 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 38939 event pairs, 1516 based on Foata normal form. 0/6008 useless extension candidates. Maximal degree in co-relation 19485. Up to 5564 conditions per place. [2023-08-29 02:40:13,657 INFO L137 encePairwiseOnDemand]: 298/329 looper letters, 200 selfloop transitions, 153 changer transitions 0/367 dead transitions. [2023-08-29 02:40:13,657 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 367 transitions, 2448 flow [2023-08-29 02:40:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:40:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:40:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1032 transitions. [2023-08-29 02:40:13,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5227963525835866 [2023-08-29 02:40:13,661 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1032 transitions. [2023-08-29 02:40:13,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1032 transitions. [2023-08-29 02:40:13,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:13,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1032 transitions. [2023-08-29 02:40:13,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 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) [2023-08-29 02:40:13,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:13,670 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:13,671 INFO L175 Difference]: Start difference. First operand has 96 places, 158 transitions, 810 flow. Second operand 6 states and 1032 transitions. [2023-08-29 02:40:13,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 367 transitions, 2448 flow [2023-08-29 02:40:13,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 367 transitions, 2448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:40:13,701 INFO L231 Difference]: Finished difference. Result has 106 places, 301 transitions, 2198 flow [2023-08-29 02:40:13,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2198, PETRI_PLACES=106, PETRI_TRANSITIONS=301} [2023-08-29 02:40:13,703 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 27 predicate places. [2023-08-29 02:40:13,703 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 301 transitions, 2198 flow [2023-08-29 02:40:13,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.5) internal successors, (831), 6 states have internal predecessors, (831), 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) [2023-08-29 02:40:13,703 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:13,704 INFO L208 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] [2023-08-29 02:40:13,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:40:13,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:13,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:13,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2077655662, now seen corresponding path program 1 times [2023-08-29 02:40:13,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:13,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147427501] [2023-08-29 02:40:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:14,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:14,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147427501] [2023-08-29 02:40:14,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147427501] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:14,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:14,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:40:14,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321517174] [2023-08-29 02:40:14,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:14,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 02:40:14,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:14,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 02:40:14,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 02:40:14,180 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 329 [2023-08-29 02:40:14,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 301 transitions, 2198 flow. Second operand has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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) [2023-08-29 02:40:14,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:14,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 329 [2023-08-29 02:40:14,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:14,991 INFO L130 PetriNetUnfolder]: 2087/5532 cut-off events. [2023-08-29 02:40:14,991 INFO L131 PetriNetUnfolder]: For 6781/7015 co-relation queries the response was YES. [2023-08-29 02:40:15,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17799 conditions, 5532 events. 2087/5532 cut-off events. For 6781/7015 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 43222 event pairs, 121 based on Foata normal form. 67/5279 useless extension candidates. Maximal degree in co-relation 17781. Up to 1531 conditions per place. [2023-08-29 02:40:15,040 INFO L137 encePairwiseOnDemand]: 322/329 looper letters, 111 selfloop transitions, 8 changer transitions 0/354 dead transitions. [2023-08-29 02:40:15,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 354 transitions, 2796 flow [2023-08-29 02:40:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 02:40:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 02:40:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 753 transitions. [2023-08-29 02:40:15,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5721884498480243 [2023-08-29 02:40:15,043 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 753 transitions. [2023-08-29 02:40:15,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 753 transitions. [2023-08-29 02:40:15,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:15,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 753 transitions. [2023-08-29 02:40:15,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 188.25) internal successors, (753), 4 states have internal predecessors, (753), 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) [2023-08-29 02:40:15,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 329.0) internal successors, (1645), 5 states have internal predecessors, (1645), 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) [2023-08-29 02:40:15,048 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 329.0) internal successors, (1645), 5 states have internal predecessors, (1645), 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) [2023-08-29 02:40:15,048 INFO L175 Difference]: Start difference. First operand has 106 places, 301 transitions, 2198 flow. Second operand 4 states and 753 transitions. [2023-08-29 02:40:15,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 354 transitions, 2796 flow [2023-08-29 02:40:15,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 354 transitions, 2650 flow, removed 73 selfloop flow, removed 0 redundant places. [2023-08-29 02:40:15,136 INFO L231 Difference]: Finished difference. Result has 110 places, 306 transitions, 2121 flow [2023-08-29 02:40:15,136 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=2068, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2121, PETRI_PLACES=110, PETRI_TRANSITIONS=306} [2023-08-29 02:40:15,137 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 31 predicate places. [2023-08-29 02:40:15,137 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 306 transitions, 2121 flow [2023-08-29 02:40:15,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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) [2023-08-29 02:40:15,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:15,138 INFO L208 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] [2023-08-29 02:40:15,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:40:15,138 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:15,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:15,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1767393008, now seen corresponding path program 2 times [2023-08-29 02:40:15,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:15,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515755088] [2023-08-29 02:40:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:15,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:15,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:15,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515755088] [2023-08-29 02:40:15,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515755088] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:15,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:15,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:40:15,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212019562] [2023-08-29 02:40:15,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:15,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:40:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:15,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:40:15,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:40:15,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 329 [2023-08-29 02:40:15,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 306 transitions, 2121 flow. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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) [2023-08-29 02:40:15,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:15,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 329 [2023-08-29 02:40:15,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:15,414 INFO L130 PetriNetUnfolder]: 68/335 cut-off events. [2023-08-29 02:40:15,414 INFO L131 PetriNetUnfolder]: For 313/313 co-relation queries the response was YES. [2023-08-29 02:40:15,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 335 events. 68/335 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1315 event pairs, 42 based on Foata normal form. 19/335 useless extension candidates. Maximal degree in co-relation 956. Up to 139 conditions per place. [2023-08-29 02:40:15,417 INFO L137 encePairwiseOnDemand]: 325/329 looper letters, 28 selfloop transitions, 4 changer transitions 0/77 dead transitions. [2023-08-29 02:40:15,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 77 transitions, 476 flow [2023-08-29 02:40:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:40:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:40:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2023-08-29 02:40:15,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5612968591691996 [2023-08-29 02:40:15,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 554 transitions. [2023-08-29 02:40:15,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 554 transitions. [2023-08-29 02:40:15,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:15,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 554 transitions. [2023-08-29 02:40:15,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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) [2023-08-29 02:40:15,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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) [2023-08-29 02:40:15,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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) [2023-08-29 02:40:15,424 INFO L175 Difference]: Start difference. First operand has 110 places, 306 transitions, 2121 flow. Second operand 3 states and 554 transitions. [2023-08-29 02:40:15,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 77 transitions, 476 flow [2023-08-29 02:40:15,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 77 transitions, 296 flow, removed 67 selfloop flow, removed 19 redundant places. [2023-08-29 02:40:15,428 INFO L231 Difference]: Finished difference. Result has 86 places, 77 transitions, 248 flow [2023-08-29 02:40:15,428 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=86, PETRI_TRANSITIONS=77} [2023-08-29 02:40:15,429 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 7 predicate places. [2023-08-29 02:40:15,429 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 77 transitions, 248 flow [2023-08-29 02:40:15,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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) [2023-08-29 02:40:15,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:40:15,430 INFO L208 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] [2023-08-29 02:40:15,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:40:15,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-29 02:40:15,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:40:15,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1575411816, now seen corresponding path program 1 times [2023-08-29 02:40:15,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:40:15,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272516091] [2023-08-29 02:40:15,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:40:15,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:40:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:40:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:40:15,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:40:15,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272516091] [2023-08-29 02:40:15,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272516091] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:40:15,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:40:15,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:40:15,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593142131] [2023-08-29 02:40:15,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:40:15,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:40:15,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:40:15,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:40:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:40:15,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 329 [2023-08-29 02:40:15,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 77 transitions, 248 flow. Second operand has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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) [2023-08-29 02:40:15,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:40:15,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 329 [2023-08-29 02:40:15,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:40:16,020 INFO L130 PetriNetUnfolder]: 143/416 cut-off events. [2023-08-29 02:40:16,020 INFO L131 PetriNetUnfolder]: For 152/152 co-relation queries the response was YES. [2023-08-29 02:40:16,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 416 events. 143/416 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1407 event pairs, 110 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 980. Up to 371 conditions per place. [2023-08-29 02:40:16,022 INFO L137 encePairwiseOnDemand]: 323/329 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-08-29 02:40:16,022 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 84 transitions, 420 flow [2023-08-29 02:40:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:40:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:40:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 864 transitions. [2023-08-29 02:40:16,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4376899696048632 [2023-08-29 02:40:16,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 864 transitions. [2023-08-29 02:40:16,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 864 transitions. [2023-08-29 02:40:16,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:40:16,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 864 transitions. [2023-08-29 02:40:16,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 144.0) internal successors, (864), 6 states have internal predecessors, (864), 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) [2023-08-29 02:40:16,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:16,031 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 329.0) internal successors, (2303), 7 states have internal predecessors, (2303), 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) [2023-08-29 02:40:16,031 INFO L175 Difference]: Start difference. First operand has 86 places, 77 transitions, 248 flow. Second operand 6 states and 864 transitions. [2023-08-29 02:40:16,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 84 transitions, 420 flow [2023-08-29 02:40:16,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 84 transitions, 407 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 02:40:16,033 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2023-08-29 02:40:16,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2023-08-29 02:40:16,034 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, 8 predicate places. [2023-08-29 02:40:16,034 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2023-08-29 02:40:16,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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) [2023-08-29 02:40:16,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2023-08-29 02:40:16,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2023-08-29 02:40:16,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2023-08-29 02:40:16,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2023-08-29 02:40:16,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2023-08-29 02:40:16,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2023-08-29 02:40:16,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:40:16,040 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2023-08-29 02:40:16,044 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:40:16,045 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:40:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:40:16 BasicIcfg [2023-08-29 02:40:16,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:40:16,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:40:16,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:40:16,048 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:40:16,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:40:03" (3/4) ... [2023-08-29 02:40:16,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:40:16,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2023-08-29 02:40:16,060 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-08-29 02:40:16,060 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-29 02:40:16,060 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:40:16,061 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:40:16,101 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:40:16,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:40:16,102 INFO L158 Benchmark]: Toolchain (without parser) took 13454.32ms. Allocated memory was 71.3MB in the beginning and 545.3MB in the end (delta: 474.0MB). Free memory was 47.1MB in the beginning and 286.0MB in the end (delta: -238.9MB). Peak memory consumption was 236.6MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,102 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:40:16,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.50ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.9MB in the beginning and 67.6MB in the end (delta: -20.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,103 INFO L158 Benchmark]: Boogie Preprocessor took 34.25ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 62.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,103 INFO L158 Benchmark]: RCFGBuilder took 656.24ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 66.2MB in the end (delta: -4.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,104 INFO L158 Benchmark]: TraceAbstraction took 12098.16ms. Allocated memory was 94.4MB in the beginning and 545.3MB in the end (delta: 450.9MB). Free memory was 65.5MB in the beginning and 289.1MB in the end (delta: -223.6MB). Peak memory consumption was 228.3MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,104 INFO L158 Benchmark]: Witness Printer took 53.42ms. Allocated memory is still 545.3MB. Free memory was 289.1MB in the beginning and 286.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:40:16,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.50ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.9MB in the beginning and 67.6MB in the end (delta: -20.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.93ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 64.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.25ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 62.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 656.24ms. Allocated memory is still 94.4MB. Free memory was 62.1MB in the beginning and 66.2MB in the end (delta: -4.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12098.16ms. Allocated memory was 94.4MB in the beginning and 545.3MB in the end (delta: 450.9MB). Free memory was 65.5MB in the beginning and 289.1MB in the end (delta: -223.6MB). Peak memory consumption was 228.3MB. Max. memory is 16.1GB. * Witness Printer took 53.42ms. Allocated memory is still 545.3MB. Free memory was 289.1MB in the beginning and 286.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 185 PlacesBefore, 79 PlacesAfterwards, 191 TransitionsBefore, 82 TransitionsAfterwards, 10120 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 26 ConcurrentYvCompositions, 3 ChoiceCompositions, 137 TotalNumberOfCompositions, 49079 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7747, independent: 6675, independent conditional: 0, independent unconditional: 6675, dependent: 1072, dependent conditional: 0, dependent unconditional: 1072, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4523, independent: 4405, independent conditional: 0, independent unconditional: 4405, dependent: 118, dependent conditional: 0, dependent unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7747, independent: 2270, independent conditional: 0, independent unconditional: 2270, dependent: 954, dependent conditional: 0, dependent unconditional: 954, unknown: 4523, unknown conditional: 0, unknown unconditional: 4523] , Statistics on independence cache: Total cache size (in pairs): 287, Positive cache size: 217, Positive conditional cache size: 0, Positive unconditional cache size: 217, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: 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: 728]: 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 3 procedures, 270 locations, 17 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: 12.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1255 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 780 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2349 IncrementalHoareTripleChecker+Invalid, 2674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 325 mSolverCounterUnsat, 1 mSDtfsCounter, 2349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2198occurred in iteration=4, InterpolantAutomatonStates: 33, 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, 1.6s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:40:16,140 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