./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/weaver/unroll-cond-3.wvr.c -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 95e3bac7f28ae020b684175cea363a5866905518c289fbd40a07a7a3764acade --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:56:45,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:56:45,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:56:45,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:56:45,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:56:45,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:56:45,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:56:45,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:56:45,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:56:45,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:56:45,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:56:45,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:56:45,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:56:45,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:56:45,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:56:45,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:56:45,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:56:45,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:56:45,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:56:45,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:56:45,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:56:45,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:56:45,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:56:45,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:56:45,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:56:45,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:56:45,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:56:45,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:56:45,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:56:45,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:56:45,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:56:45,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:56:45,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:56:45,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:56:45,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:56:45,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:56:45,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:56:45,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:56:45,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:56:45,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:56:45,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:56:45,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:56:45,379 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:56:45,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:56:45,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:56:45,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:56:45,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:56:45,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:56:45,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:56:45,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:56:45,384 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:56:45,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:56:45,385 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:56:45,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:56:45,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:56:45,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:56:45,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:56:45,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:56:45,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:56:45,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:56:45,387 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:56:45,387 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:56:45,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:56:45,387 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:56:45,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:56:45,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:56:45,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:56:45,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:56:45,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:45,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:56:45,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:56:45,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:56:45,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:56:45,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:56:45,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:56:45,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:56:45,390 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:56:45,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:56:45,390 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:56:45,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95e3bac7f28ae020b684175cea363a5866905518c289fbd40a07a7a3764acade Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:56:45,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:56:45,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:56:45,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:56:45,719 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:56:45,719 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:56:45,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-08-31 21:56:46,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:56:47,179 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:56:47,179 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-08-31 21:56:47,184 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b7e6665/6ac12192c77e4a6597ec356df29c3d71/FLAG0a4605fc3 [2023-08-31 21:56:47,194 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7b7e6665/6ac12192c77e4a6597ec356df29c3d71 [2023-08-31 21:56:47,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:56:47,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:56:47,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:47,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:56:47,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:56:47,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771df0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47, skipping insertion in model container [2023-08-31 21:56:47,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:56:47,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:56:47,359 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2023-08-31 21:56:47,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:47,372 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:56:47,398 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2023-08-31 21:56:47,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:47,413 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:56:47,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47 WrapperNode [2023-08-31 21:56:47,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:47,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:47,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:56:47,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:56:47,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,463 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 348 [2023-08-31 21:56:47,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:47,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:56:47,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:56:47,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:56:47,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:56:47,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:56:47,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:56:47,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:56:47,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (1/1) ... [2023-08-31 21:56:47,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:56:47,578 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) [2023-08-31 21:56:47,603 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 [2023-08-31 21:56:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:56:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:56:47,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:56:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:56:47,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:56:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:56:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:56:47,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:56:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:56:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:56:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:56:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:56:47,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:56:47,625 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:56:47,793 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:56:47,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:56:48,247 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:56:48,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:56:48,261 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 21:56:48,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:48 BoogieIcfgContainer [2023-08-31 21:56:48,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:56:48,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:56:48,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:56:48,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:56:48,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:56:47" (1/3) ... [2023-08-31 21:56:48,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee740d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:48, skipping insertion in model container [2023-08-31 21:56:48,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:47" (2/3) ... [2023-08-31 21:56:48,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee740d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:48, skipping insertion in model container [2023-08-31 21:56:48,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:48" (3/3) ... [2023-08-31 21:56:48,272 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2023-08-31 21:56:48,279 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:56:48,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:56:48,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-31 21:56:48,287 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:56:48,432 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:56:48,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 414 places, 431 transitions, 878 flow [2023-08-31 21:56:48,632 INFO L130 PetriNetUnfolder]: 24/429 cut-off events. [2023-08-31 21:56:48,633 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:48,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 429 events. 24/429 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1097 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2023-08-31 21:56:48,645 INFO L82 GeneralOperation]: Start removeDead. Operand has 414 places, 431 transitions, 878 flow [2023-08-31 21:56:48,658 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 398 places, 414 transitions, 840 flow [2023-08-31 21:56:48,661 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:56:48,678 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 414 transitions, 840 flow [2023-08-31 21:56:48,682 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 414 transitions, 840 flow [2023-08-31 21:56:48,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 398 places, 414 transitions, 840 flow [2023-08-31 21:56:48,762 INFO L130 PetriNetUnfolder]: 23/414 cut-off events. [2023-08-31 21:56:48,762 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:48,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 414 events. 23/414 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1045 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2023-08-31 21:56:48,781 INFO L119 LiptonReduction]: Number of co-enabled transitions 34320 [2023-08-31 21:56:56,387 INFO L134 LiptonReduction]: Checked pairs total: 137857 [2023-08-31 21:56:56,388 INFO L136 LiptonReduction]: Total number of compositions: 419 [2023-08-31 21:56:56,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:56:56,414 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;@32e33367, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:56:56,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2023-08-31 21:56:56,415 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:56:56,415 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:56:56,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:56,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:56:56,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:56:56,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:56,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1677, now seen corresponding path program 1 times [2023-08-31 21:56:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:56,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295935911] [2023-08-31 21:56:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:56:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295935911] [2023-08-31 21:56:56,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295935911] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:56:56,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680278891] [2023-08-31 21:56:56,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:56,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:56:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:56,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:56:56,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:56:56,557 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 850 [2023-08-31 21:56:56,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 152 transitions, 316 flow. Second operand has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 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) [2023-08-31 21:56:56,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:56,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 850 [2023-08-31 21:56:56,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:56,916 INFO L130 PetriNetUnfolder]: 1125/2816 cut-off events. [2023-08-31 21:56:56,916 INFO L131 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2023-08-31 21:56:56,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4649 conditions, 2816 events. 1125/2816 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 21360 event pairs, 834 based on Foata normal form. 412/2872 useless extension candidates. Maximal degree in co-relation 4119. Up to 1776 conditions per place. [2023-08-31 21:56:56,933 INFO L137 encePairwiseOnDemand]: 813/850 looper letters, 55 selfloop transitions, 0 changer transitions 1/115 dead transitions. [2023-08-31 21:56:56,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 115 transitions, 354 flow [2023-08-31 21:56:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:56:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:56:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 919 transitions. [2023-08-31 21:56:56,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5405882352941176 [2023-08-31 21:56:56,953 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 919 transitions. [2023-08-31 21:56:56,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 919 transitions. [2023-08-31 21:56:56,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:56,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 919 transitions. [2023-08-31 21:56:56,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 459.5) internal successors, (919), 2 states have internal predecessors, (919), 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) [2023-08-31 21:56:56,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 850.0) internal successors, (2550), 3 states have internal predecessors, (2550), 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) [2023-08-31 21:56:56,973 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 850.0) internal successors, (2550), 3 states have internal predecessors, (2550), 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) [2023-08-31 21:56:56,975 INFO L175 Difference]: Start difference. First operand has 146 places, 152 transitions, 316 flow. Second operand 2 states and 919 transitions. [2023-08-31 21:56:56,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 115 transitions, 354 flow [2023-08-31 21:56:56,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 346 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:56:56,983 INFO L231 Difference]: Finished difference. Result has 111 places, 114 transitions, 231 flow [2023-08-31 21:56:56,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=231, PETRI_PLACES=111, PETRI_TRANSITIONS=114} [2023-08-31 21:56:56,989 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -35 predicate places. [2023-08-31 21:56:56,989 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 114 transitions, 231 flow [2023-08-31 21:56:56,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 413.5) internal successors, (827), 2 states have internal predecessors, (827), 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) [2023-08-31 21:56:56,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:56,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:56:56,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:56:56,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:56:57,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1313620055, now seen corresponding path program 1 times [2023-08-31 21:56:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:57,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754225534] [2023-08-31 21:56:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:57,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:56:57,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:57,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754225534] [2023-08-31 21:56:57,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754225534] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:57,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:57,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:57,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642136352] [2023-08-31 21:56:57,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:57,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:57,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:57,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:57,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 850 [2023-08-31 21:56:57,128 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 114 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 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) [2023-08-31 21:56:57,129 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:57,129 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 850 [2023-08-31 21:56:57,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:57,442 INFO L130 PetriNetUnfolder]: 1222/2915 cut-off events. [2023-08-31 21:56:57,443 INFO L131 PetriNetUnfolder]: For 38/50 co-relation queries the response was YES. [2023-08-31 21:56:57,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4930 conditions, 2915 events. 1222/2915 cut-off events. For 38/50 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 21196 event pairs, 592 based on Foata normal form. 1/2660 useless extension candidates. Maximal degree in co-relation 4927. Up to 1995 conditions per place. [2023-08-31 21:56:57,458 INFO L137 encePairwiseOnDemand]: 844/850 looper letters, 62 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2023-08-31 21:56:57,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 115 transitions, 362 flow [2023-08-31 21:56:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1268 transitions. [2023-08-31 21:56:57,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4972549019607843 [2023-08-31 21:56:57,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1268 transitions. [2023-08-31 21:56:57,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1268 transitions. [2023-08-31 21:56:57,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:57,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1268 transitions. [2023-08-31 21:56:57,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 422.6666666666667) internal successors, (1268), 3 states have internal predecessors, (1268), 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) [2023-08-31 21:56:57,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:57,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:57,473 INFO L175 Difference]: Start difference. First operand has 111 places, 114 transitions, 231 flow. Second operand 3 states and 1268 transitions. [2023-08-31 21:56:57,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 115 transitions, 362 flow [2023-08-31 21:56:57,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 115 transitions, 362 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:57,477 INFO L231 Difference]: Finished difference. Result has 109 places, 112 transitions, 237 flow [2023-08-31 21:56:57,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=109, PETRI_TRANSITIONS=112} [2023-08-31 21:56:57,478 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -37 predicate places. [2023-08-31 21:56:57,478 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 112 transitions, 237 flow [2023-08-31 21:56:57,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.6666666666667) internal successors, (1205), 3 states have internal predecessors, (1205), 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) [2023-08-31 21:56:57,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:57,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:57,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:56:57,480 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:56:57,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash 332058596, now seen corresponding path program 1 times [2023-08-31 21:56:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268978559] [2023-08-31 21:56:57,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:56:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268978559] [2023-08-31 21:56:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268978559] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:57,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768926496] [2023-08-31 21:56:57,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:57,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:57,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:57,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 850 [2023-08-31 21:56:57,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 112 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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) [2023-08-31 21:56:57,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:57,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 850 [2023-08-31 21:56:57,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:57,920 INFO L130 PetriNetUnfolder]: 1075/2716 cut-off events. [2023-08-31 21:56:57,921 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2023-08-31 21:56:57,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4549 conditions, 2716 events. 1075/2716 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 20021 event pairs, 871 based on Foata normal form. 0/2429 useless extension candidates. Maximal degree in co-relation 4545. Up to 1753 conditions per place. [2023-08-31 21:56:57,935 INFO L137 encePairwiseOnDemand]: 843/850 looper letters, 54 selfloop transitions, 1 changer transitions 0/106 dead transitions. [2023-08-31 21:56:57,936 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 106 transitions, 335 flow [2023-08-31 21:56:57,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1225 transitions. [2023-08-31 21:56:57,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4803921568627451 [2023-08-31 21:56:57,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1225 transitions. [2023-08-31 21:56:57,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1225 transitions. [2023-08-31 21:56:57,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:57,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1225 transitions. [2023-08-31 21:56:57,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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) [2023-08-31 21:56:57,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:57,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:57,968 INFO L175 Difference]: Start difference. First operand has 109 places, 112 transitions, 237 flow. Second operand 3 states and 1225 transitions. [2023-08-31 21:56:57,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 106 transitions, 335 flow [2023-08-31 21:56:57,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 106 transitions, 335 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:57,972 INFO L231 Difference]: Finished difference. Result has 105 places, 106 transitions, 227 flow [2023-08-31 21:56:57,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=227, PETRI_PLACES=105, PETRI_TRANSITIONS=106} [2023-08-31 21:56:57,973 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -41 predicate places. [2023-08-31 21:56:57,973 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 106 transitions, 227 flow [2023-08-31 21:56:57,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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) [2023-08-31 21:56:57,974 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:57,974 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:57,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:56:57,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:56:57,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1240144024, now seen corresponding path program 1 times [2023-08-31 21:56:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:57,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407088309] [2023-08-31 21:56:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:57,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:56:58,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:58,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407088309] [2023-08-31 21:56:58,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407088309] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:58,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:58,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:58,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115976133] [2023-08-31 21:56:58,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:58,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:58,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:58,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:58,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:58,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 850 [2023-08-31 21:56:58,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 106 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2023-08-31 21:56:58,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:58,134 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 850 [2023-08-31 21:56:58,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:58,463 INFO L130 PetriNetUnfolder]: 1075/2717 cut-off events. [2023-08-31 21:56:58,464 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2023-08-31 21:56:58,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4553 conditions, 2717 events. 1075/2717 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 19996 event pairs, 871 based on Foata normal form. 0/2430 useless extension candidates. Maximal degree in co-relation 4548. Up to 1754 conditions per place. [2023-08-31 21:56:58,477 INFO L137 encePairwiseOnDemand]: 847/850 looper letters, 54 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2023-08-31 21:56:58,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 107 transitions, 341 flow [2023-08-31 21:56:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2023-08-31 21:56:58,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5035294117647059 [2023-08-31 21:56:58,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1284 transitions. [2023-08-31 21:56:58,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1284 transitions. [2023-08-31 21:56:58,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:58,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1284 transitions. [2023-08-31 21:56:58,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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) [2023-08-31 21:56:58,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:58,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:56:58,491 INFO L175 Difference]: Start difference. First operand has 105 places, 106 transitions, 227 flow. Second operand 3 states and 1284 transitions. [2023-08-31 21:56:58,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 107 transitions, 341 flow [2023-08-31 21:56:58,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:58,494 INFO L231 Difference]: Finished difference. Result has 107 places, 107 transitions, 238 flow [2023-08-31 21:56:58,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=107, PETRI_TRANSITIONS=107} [2023-08-31 21:56:58,495 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -39 predicate places. [2023-08-31 21:56:58,495 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 107 transitions, 238 flow [2023-08-31 21:56:58,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2023-08-31 21:56:58,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:58,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:58,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:56:58,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:56:58,497 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1520175715, now seen corresponding path program 1 times [2023-08-31 21:56:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:58,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935626665] [2023-08-31 21:56:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:56:58,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:58,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935626665] [2023-08-31 21:56:58,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935626665] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:58,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:58,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:58,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823951623] [2023-08-31 21:56:58,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:58,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:58,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:58,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:58,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:59,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 850 [2023-08-31 21:56:59,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 107 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 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) [2023-08-31 21:56:59,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:59,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 850 [2023-08-31 21:56:59,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:00,014 INFO L130 PetriNetUnfolder]: 3626/6686 cut-off events. [2023-08-31 21:57:00,015 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:57:00,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12367 conditions, 6686 events. 3626/6686 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 48695 event pairs, 250 based on Foata normal form. 0/5994 useless extension candidates. Maximal degree in co-relation 12361. Up to 2106 conditions per place. [2023-08-31 21:57:00,061 INFO L137 encePairwiseOnDemand]: 845/850 looper letters, 240 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2023-08-31 21:57:00,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 290 transitions, 1092 flow [2023-08-31 21:57:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:57:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:57:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2644 transitions. [2023-08-31 21:57:00,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5184313725490196 [2023-08-31 21:57:00,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2644 transitions. [2023-08-31 21:57:00,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2644 transitions. [2023-08-31 21:57:00,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:00,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2644 transitions. [2023-08-31 21:57:00,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 440.6666666666667) internal successors, (2644), 6 states have internal predecessors, (2644), 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) [2023-08-31 21:57:00,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:00,085 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:00,085 INFO L175 Difference]: Start difference. First operand has 107 places, 107 transitions, 238 flow. Second operand 6 states and 2644 transitions. [2023-08-31 21:57:00,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 290 transitions, 1092 flow [2023-08-31 21:57:00,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 290 transitions, 1088 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:57:00,092 INFO L231 Difference]: Finished difference. Result has 110 places, 106 transitions, 240 flow [2023-08-31 21:57:00,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=110, PETRI_TRANSITIONS=106} [2023-08-31 21:57:00,094 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -36 predicate places. [2023-08-31 21:57:00,094 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 106 transitions, 240 flow [2023-08-31 21:57:00,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.8333333333333) internal successors, (2411), 6 states have internal predecessors, (2411), 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) [2023-08-31 21:57:00,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:00,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:00,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:57:00,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:57:00,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:00,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1064607707, now seen corresponding path program 1 times [2023-08-31 21:57:00,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:00,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321713547] [2023-08-31 21:57:00,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:57:00,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:00,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321713547] [2023-08-31 21:57:00,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321713547] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:00,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:00,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294982758] [2023-08-31 21:57:00,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:00,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:00,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:00,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:00,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 850 [2023-08-31 21:57:00,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2023-08-31 21:57:00,246 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:00,246 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 850 [2023-08-31 21:57:00,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:00,626 INFO L130 PetriNetUnfolder]: 1594/3907 cut-off events. [2023-08-31 21:57:00,626 INFO L131 PetriNetUnfolder]: For 556/556 co-relation queries the response was YES. [2023-08-31 21:57:00,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7204 conditions, 3907 events. 1594/3907 cut-off events. For 556/556 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 28613 event pairs, 522 based on Foata normal form. 0/3585 useless extension candidates. Maximal degree in co-relation 7198. Up to 1716 conditions per place. [2023-08-31 21:57:00,647 INFO L137 encePairwiseOnDemand]: 844/850 looper letters, 85 selfloop transitions, 4 changer transitions 0/139 dead transitions. [2023-08-31 21:57:00,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 139 transitions, 487 flow [2023-08-31 21:57:00,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1311 transitions. [2023-08-31 21:57:00,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5141176470588236 [2023-08-31 21:57:00,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1311 transitions. [2023-08-31 21:57:00,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1311 transitions. [2023-08-31 21:57:00,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:00,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1311 transitions. [2023-08-31 21:57:00,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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) [2023-08-31 21:57:00,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:57:00,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:57:00,659 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 240 flow. Second operand 3 states and 1311 transitions. [2023-08-31 21:57:00,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 139 transitions, 487 flow [2023-08-31 21:57:00,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 139 transitions, 478 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:57:00,663 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 261 flow [2023-08-31 21:57:00,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=261, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2023-08-31 21:57:00,664 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -37 predicate places. [2023-08-31 21:57:00,664 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 261 flow [2023-08-31 21:57:00,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 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) [2023-08-31 21:57:00,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:00,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:00,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:57:00,665 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:57:00,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1561437101, now seen corresponding path program 1 times [2023-08-31 21:57:00,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:00,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088693425] [2023-08-31 21:57:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:00,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:57:00,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:00,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088693425] [2023-08-31 21:57:00,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088693425] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:00,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:00,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:57:00,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634596973] [2023-08-31 21:57:00,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:00,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:57:00,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:00,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:57:00,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:57:00,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 850 [2023-08-31 21:57:00,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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) [2023-08-31 21:57:00,708 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:00,708 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 850 [2023-08-31 21:57:00,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:01,231 INFO L130 PetriNetUnfolder]: 2172/4725 cut-off events. [2023-08-31 21:57:01,232 INFO L131 PetriNetUnfolder]: For 212/212 co-relation queries the response was YES. [2023-08-31 21:57:01,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8646 conditions, 4725 events. 2172/4725 cut-off events. For 212/212 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 32556 event pairs, 476 based on Foata normal form. 0/4304 useless extension candidates. Maximal degree in co-relation 8639. Up to 3176 conditions per place. [2023-08-31 21:57:01,249 INFO L137 encePairwiseOnDemand]: 840/850 looper letters, 82 selfloop transitions, 4 changer transitions 0/128 dead transitions. [2023-08-31 21:57:01,250 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 128 transitions, 473 flow [2023-08-31 21:57:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:57:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:57:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1270 transitions. [2023-08-31 21:57:01,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4980392156862745 [2023-08-31 21:57:01,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1270 transitions. [2023-08-31 21:57:01,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1270 transitions. [2023-08-31 21:57:01,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:01,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1270 transitions. [2023-08-31 21:57:01,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2023-08-31 21:57:01,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:57:01,261 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 850.0) internal successors, (3400), 4 states have internal predecessors, (3400), 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) [2023-08-31 21:57:01,261 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 261 flow. Second operand 3 states and 1270 transitions. [2023-08-31 21:57:01,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 128 transitions, 473 flow [2023-08-31 21:57:01,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 128 transitions, 469 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:57:01,265 INFO L231 Difference]: Finished difference. Result has 105 places, 107 transitions, 273 flow [2023-08-31 21:57:01,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=105, PETRI_TRANSITIONS=107} [2023-08-31 21:57:01,266 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -41 predicate places. [2023-08-31 21:57:01,266 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 107 transitions, 273 flow [2023-08-31 21:57:01,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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) [2023-08-31 21:57:01,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:01,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:57:01,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:57:01,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:01,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1767801012, now seen corresponding path program 1 times [2023-08-31 21:57:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:01,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097303288] [2023-08-31 21:57:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:01,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:57:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097303288] [2023-08-31 21:57:01,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097303288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:01,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:57:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373054526] [2023-08-31 21:57:01,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:01,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:57:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:01,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:57:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:57:01,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 850 [2023-08-31 21:57:01,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 107 transitions, 273 flow. Second operand has 6 states, 6 states have (on average 401.3333333333333) internal successors, (2408), 6 states have internal predecessors, (2408), 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) [2023-08-31 21:57:01,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:01,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 850 [2023-08-31 21:57:01,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:02,747 INFO L130 PetriNetUnfolder]: 2728/5621 cut-off events. [2023-08-31 21:57:02,747 INFO L131 PetriNetUnfolder]: For 340/340 co-relation queries the response was YES. [2023-08-31 21:57:02,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10739 conditions, 5621 events. 2728/5621 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 38222 event pairs, 1625 based on Foata normal form. 0/5174 useless extension candidates. Maximal degree in co-relation 10732. Up to 3300 conditions per place. [2023-08-31 21:57:02,778 INFO L137 encePairwiseOnDemand]: 844/850 looper letters, 240 selfloop transitions, 5 changer transitions 0/286 dead transitions. [2023-08-31 21:57:02,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 286 transitions, 1205 flow [2023-08-31 21:57:02,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:57:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:57:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2622 transitions. [2023-08-31 21:57:02,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5141176470588236 [2023-08-31 21:57:02,785 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2622 transitions. [2023-08-31 21:57:02,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2622 transitions. [2023-08-31 21:57:02,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:02,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2622 transitions. [2023-08-31 21:57:02,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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) [2023-08-31 21:57:02,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:02,799 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:02,799 INFO L175 Difference]: Start difference. First operand has 105 places, 107 transitions, 273 flow. Second operand 6 states and 2622 transitions. [2023-08-31 21:57:02,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 286 transitions, 1205 flow [2023-08-31 21:57:02,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 286 transitions, 1205 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:57:02,804 INFO L231 Difference]: Finished difference. Result has 109 places, 106 transitions, 281 flow [2023-08-31 21:57:02,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=281, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2023-08-31 21:57:02,804 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -37 predicate places. [2023-08-31 21:57:02,805 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 281 flow [2023-08-31 21:57:02,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 401.3333333333333) internal successors, (2408), 6 states have internal predecessors, (2408), 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) [2023-08-31 21:57:02,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:02,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:02,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:57:02,806 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:57:02,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:02,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1091559021, now seen corresponding path program 1 times [2023-08-31 21:57:02,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:02,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322890808] [2023-08-31 21:57:02,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:57:03,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:03,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322890808] [2023-08-31 21:57:03,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322890808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:03,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:03,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:57:03,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223842654] [2023-08-31 21:57:03,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:03,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:57:03,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:03,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:57:03,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:57:03,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 850 [2023-08-31 21:57:03,308 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 281 flow. Second operand has 6 states, 6 states have (on average 373.6666666666667) internal successors, (2242), 6 states have internal predecessors, (2242), 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) [2023-08-31 21:57:03,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:03,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 850 [2023-08-31 21:57:03,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:03,784 INFO L130 PetriNetUnfolder]: 2696/5040 cut-off events. [2023-08-31 21:57:03,784 INFO L131 PetriNetUnfolder]: For 247/249 co-relation queries the response was YES. [2023-08-31 21:57:03,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10345 conditions, 5040 events. 2696/5040 cut-off events. For 247/249 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 31282 event pairs, 1417 based on Foata normal form. 132/4667 useless extension candidates. Maximal degree in co-relation 10337. Up to 2892 conditions per place. [2023-08-31 21:57:03,812 INFO L137 encePairwiseOnDemand]: 819/850 looper letters, 87 selfloop transitions, 29 changer transitions 0/141 dead transitions. [2023-08-31 21:57:03,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 141 transitions, 595 flow [2023-08-31 21:57:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:57:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:57:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2341 transitions. [2023-08-31 21:57:03,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4590196078431373 [2023-08-31 21:57:03,819 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2341 transitions. [2023-08-31 21:57:03,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2341 transitions. [2023-08-31 21:57:03,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:03,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2341 transitions. [2023-08-31 21:57:03,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.1666666666667) internal successors, (2341), 6 states have internal predecessors, (2341), 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) [2023-08-31 21:57:03,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:03,831 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:03,831 INFO L175 Difference]: Start difference. First operand has 109 places, 106 transitions, 281 flow. Second operand 6 states and 2341 transitions. [2023-08-31 21:57:03,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 141 transitions, 595 flow [2023-08-31 21:57:03,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 141 transitions, 577 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:57:03,835 INFO L231 Difference]: Finished difference. Result has 104 places, 101 transitions, 319 flow [2023-08-31 21:57:03,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=319, PETRI_PLACES=104, PETRI_TRANSITIONS=101} [2023-08-31 21:57:03,836 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -42 predicate places. [2023-08-31 21:57:03,836 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 101 transitions, 319 flow [2023-08-31 21:57:03,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.6666666666667) internal successors, (2242), 6 states have internal predecessors, (2242), 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) [2023-08-31 21:57:03,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:57:03,837 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] [2023-08-31 21:57:03,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:57:03,838 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-31 21:57:03,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:57:03,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1121691785, now seen corresponding path program 1 times [2023-08-31 21:57:03,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:57:03,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536751159] [2023-08-31 21:57:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:57:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:57:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:57:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:57:04,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:57:04,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536751159] [2023-08-31 21:57:04,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536751159] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:57:04,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:57:04,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:57:04,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136711045] [2023-08-31 21:57:04,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:57:04,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:57:04,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:57:04,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:57:04,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:57:04,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 850 [2023-08-31 21:57:04,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 319 flow. Second operand has 6 states, 6 states have (on average 402.3333333333333) internal successors, (2414), 6 states have internal predecessors, (2414), 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) [2023-08-31 21:57:04,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:57:04,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 850 [2023-08-31 21:57:04,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:57:05,152 INFO L130 PetriNetUnfolder]: 2303/4736 cut-off events. [2023-08-31 21:57:05,153 INFO L131 PetriNetUnfolder]: For 366/368 co-relation queries the response was YES. [2023-08-31 21:57:05,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10155 conditions, 4736 events. 2303/4736 cut-off events. For 366/368 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 31762 event pairs, 1558 based on Foata normal form. 0/4316 useless extension candidates. Maximal degree in co-relation 10147. Up to 3155 conditions per place. [2023-08-31 21:57:05,170 INFO L137 encePairwiseOnDemand]: 845/850 looper letters, 0 selfloop transitions, 0 changer transitions 276/276 dead transitions. [2023-08-31 21:57:05,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 276 transitions, 1367 flow [2023-08-31 21:57:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:57:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:57:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2616 transitions. [2023-08-31 21:57:05,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5129411764705882 [2023-08-31 21:57:05,177 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2616 transitions. [2023-08-31 21:57:05,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2616 transitions. [2023-08-31 21:57:05,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:57:05,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2616 transitions. [2023-08-31 21:57:05,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 436.0) internal successors, (2616), 6 states have internal predecessors, (2616), 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) [2023-08-31 21:57:05,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:05,189 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 850.0) internal successors, (5950), 7 states have internal predecessors, (5950), 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) [2023-08-31 21:57:05,189 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 319 flow. Second operand 6 states and 2616 transitions. [2023-08-31 21:57:05,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 276 transitions, 1367 flow [2023-08-31 21:57:05,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 276 transitions, 1197 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:57:05,198 INFO L231 Difference]: Finished difference. Result has 103 places, 0 transitions, 0 flow [2023-08-31 21:57:05,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=850, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=103, PETRI_TRANSITIONS=0} [2023-08-31 21:57:05,200 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -43 predicate places. [2023-08-31 21:57:05,200 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 0 transitions, 0 flow [2023-08-31 21:57:05,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 402.3333333333333) internal successors, (2414), 6 states have internal predecessors, (2414), 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) [2023-08-31 21:57:05,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (103 of 104 remaining) [2023-08-31 21:57:05,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (102 of 104 remaining) [2023-08-31 21:57:05,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (101 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (100 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (99 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (98 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (97 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (96 of 104 remaining) [2023-08-31 21:57:05,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (94 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (93 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (91 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 104 remaining) [2023-08-31 21:57:05,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (89 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (88 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (87 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (86 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (85 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (84 of 104 remaining) [2023-08-31 21:57:05,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (83 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (82 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (81 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (80 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (79 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (78 of 104 remaining) [2023-08-31 21:57:05,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (77 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (76 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (75 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (74 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (73 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (72 of 104 remaining) [2023-08-31 21:57:05,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (71 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (68 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (67 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (66 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (65 of 104 remaining) [2023-08-31 21:57:05,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (63 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (62 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (61 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (60 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (59 of 104 remaining) [2023-08-31 21:57:05,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (58 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 104 remaining) [2023-08-31 21:57:05,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 104 remaining) [2023-08-31 21:57:05,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 104 remaining) [2023-08-31 21:57:05,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 104 remaining) [2023-08-31 21:57:05,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (32 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (31 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 104 remaining) [2023-08-31 21:57:05,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (25 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (24 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 104 remaining) [2023-08-31 21:57:05,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (16 of 104 remaining) [2023-08-31 21:57:05,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 104 remaining) [2023-08-31 21:57:05,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 104 remaining) [2023-08-31 21:57:05,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 104 remaining) [2023-08-31 21:57:05,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 104 remaining) [2023-08-31 21:57:05,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 104 remaining) [2023-08-31 21:57:05,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 104 remaining) [2023-08-31 21:57:05,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:57:05,225 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:57:05,231 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:57:05,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:57:05,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:57:05 BasicIcfg [2023-08-31 21:57:05,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:57:05,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:57:05,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:57:05,238 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:57:05,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:48" (3/4) ... [2023-08-31 21:57:05,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:57:05,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:57:05,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:57:05,247 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-31 21:57:05,247 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:57:05,247 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:57:05,247 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:57:05,283 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:57:05,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:57:05,284 INFO L158 Benchmark]: Toolchain (without parser) took 18087.32ms. Allocated memory was 75.5MB in the beginning and 536.9MB in the end (delta: 461.4MB). Free memory was 53.7MB in the beginning and 102.7MB in the end (delta: -49.0MB). Peak memory consumption was 413.7MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,284 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:57:05,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.32ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 40.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.20ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 37.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,285 INFO L158 Benchmark]: Boogie Preprocessor took 71.67ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,286 INFO L158 Benchmark]: RCFGBuilder took 715.49ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 46.0MB in the end (delta: 9.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,286 INFO L158 Benchmark]: TraceAbstraction took 16971.82ms. Allocated memory was 75.5MB in the beginning and 536.9MB in the end (delta: 461.4MB). Free memory was 45.3MB in the beginning and 105.8MB in the end (delta: -60.6MB). Peak memory consumption was 400.6MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,286 INFO L158 Benchmark]: Witness Printer took 46.64ms. Allocated memory is still 536.9MB. Free memory was 105.8MB in the beginning and 102.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:57:05,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.32ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 40.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.20ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 37.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.67ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.49ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 46.0MB in the end (delta: 9.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16971.82ms. Allocated memory was 75.5MB in the beginning and 536.9MB in the end (delta: 461.4MB). Free memory was 45.3MB in the beginning and 105.8MB in the end (delta: -60.6MB). Peak memory consumption was 400.6MB. Max. memory is 16.1GB. * Witness Printer took 46.64ms. Allocated memory is still 536.9MB. Free memory was 105.8MB in the beginning and 102.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 398 PlacesBefore, 146 PlacesAfterwards, 414 TransitionsBefore, 152 TransitionsAfterwards, 34320 CoEnabledTransitionPairs, 8 FixpointIterations, 109 TrivialSequentialCompositions, 241 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 47 ConcurrentYvCompositions, 10 ChoiceCompositions, 419 TotalNumberOfCompositions, 137857 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41831, independent: 40250, independent conditional: 0, independent unconditional: 40250, dependent: 1581, dependent conditional: 0, dependent unconditional: 1581, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19238, independent: 18991, independent conditional: 0, independent unconditional: 18991, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41831, independent: 21259, independent conditional: 0, independent unconditional: 21259, dependent: 1334, dependent conditional: 0, dependent unconditional: 1334, unknown: 19238, unknown conditional: 0, unknown unconditional: 19238] , Statistics on independence cache: Total cache size (in pairs): 1608, Positive cache size: 1477, Positive conditional cache size: 0, Positive unconditional cache size: 1477, Negative cache size: 131, Negative conditional cache size: 0, Negative unconditional cache size: 131, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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 5 procedures, 680 locations, 104 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: 16.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1735 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1131 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 625 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3847 IncrementalHoareTripleChecker+Invalid, 4472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 625 mSolverCounterUnsat, 34 mSDtfsCounter, 3847 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=319occurred in iteration=9, InterpolantAutomatonStates: 41, 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, 1.3s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 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 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:57:05,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE