./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.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 a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:36:33,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:36:33,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:36:33,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:36:33,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:36:33,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:36:33,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:36:33,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:36:33,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:36:33,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:36:33,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:36:33,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:36:33,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:36:33,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:36:33,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:36:33,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:36:33,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:36:33,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:36:33,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:36:33,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:36:33,271 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:36:33,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:36:33,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:36:33,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:36:33,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:36:33,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:36:33,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:36:33,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:36:33,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:36:33,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:36:33,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:36:33,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:36:33,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:36:33,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:36:33,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:36:33,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:36:33,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:36:33,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:36:33,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:36:33,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:36:33,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:36:33,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:36:33,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:36:33,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:36:33,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:36:33,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:36:33,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:36:33,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:36:33,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:36:33,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:36:33,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:36:33,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:36:33,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:36:33,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:36:33,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:36:33,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:36:33,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:36:33,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:36:33,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:36:33,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:36:33,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce [2022-04-18 16:36:33,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:36:33,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:36:33,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:36:33,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:36:33,492 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:36:33,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c [2022-04-18 16:36:33,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c91c19ed/2a244fa651d449acabc67faf5e6e475f/FLAGe6d5e7120 [2022-04-18 16:36:33,975 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:36:33,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c [2022-04-18 16:36:33,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c91c19ed/2a244fa651d449acabc67faf5e6e475f/FLAGe6d5e7120 [2022-04-18 16:36:34,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c91c19ed/2a244fa651d449acabc67faf5e6e475f [2022-04-18 16:36:34,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:36:34,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:36:34,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:36:34,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:36:34,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:36:34,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c33365f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34, skipping insertion in model container [2022-04-18 16:36:34,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:36:34,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:36:34,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2022-04-18 16:36:34,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:36:34,569 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:36:34,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2022-04-18 16:36:34,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:36:34,596 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:36:34,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34 WrapperNode [2022-04-18 16:36:34,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:36:34,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:36:34,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:36:34,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:36:34,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,633 INFO L137 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 232 [2022-04-18 16:36:34,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:36:34,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:36:34,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:36:34,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:36:34,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:36:34,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:36:34,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:36:34,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:36:34,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (1/1) ... [2022-04-18 16:36:34,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:36:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:36:34,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:36:34,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:36:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:36:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:36:34,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:36:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:36:34,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:36:34,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:36:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:36:34,723 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:36:34,800 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:36:34,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:36:35,092 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:36:35,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:36:35,314 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 16:36:35,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:35 BoogieIcfgContainer [2022-04-18 16:36:35,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:36:35,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:36:35,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:36:35,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:36:35,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:36:34" (1/3) ... [2022-04-18 16:36:35,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267f628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:36:35, skipping insertion in model container [2022-04-18 16:36:35,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:36:34" (2/3) ... [2022-04-18 16:36:35,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1267f628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:36:35, skipping insertion in model container [2022-04-18 16:36:35,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:35" (3/3) ... [2022-04-18 16:36:35,325 INFO L111 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2022-04-18 16:36:35,329 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:36:35,329 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:36:35,329 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-04-18 16:36:35,329 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:36:35,395 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 16:36:35,445 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:36:35,452 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:36:35,452 INFO L341 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-04-18 16:36:35,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 177 places, 179 transitions, 374 flow [2022-04-18 16:36:35,530 INFO L129 PetriNetUnfolder]: 9/177 cut-off events. [2022-04-18 16:36:35,530 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 16:36:35,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 9/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 223 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 118. Up to 2 conditions per place. [2022-04-18 16:36:35,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 177 places, 179 transitions, 374 flow [2022-04-18 16:36:35,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 159 transitions, 330 flow [2022-04-18 16:36:35,548 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2022-04-18 16:36:35,548 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:36:35,549 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:35,549 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:35,550 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:35,555 INFO L85 PathProgramCache]: Analyzing trace with hash -495189708, now seen corresponding path program 1 times [2022-04-18 16:36:35,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:35,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905249122] [2022-04-18 16:36:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:35,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:35,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:35,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905249122] [2022-04-18 16:36:35,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905249122] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:35,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:35,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:35,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128387939] [2022-04-18 16:36:35,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:35,726 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:35,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:35,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:35,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:35,750 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 179 [2022-04-18 16:36:35,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 159 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:35,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 179 [2022-04-18 16:36:35,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:35,828 INFO L129 PetriNetUnfolder]: 5/132 cut-off events. [2022-04-18 16:36:35,829 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-04-18 16:36:35,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 132 events. 5/132 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 7/128 useless extension candidates. Maximal degree in co-relation 109. Up to 14 conditions per place. [2022-04-18 16:36:35,831 INFO L132 encePairwiseOnDemand]: 148/179 looper letters, 11 selfloop transitions, 2 changer transitions 2/130 dead transitions. [2022-04-18 16:36:35,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 130 transitions, 298 flow [2022-04-18 16:36:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2022-04-18 16:36:35,844 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8268156424581006 [2022-04-18 16:36:35,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2022-04-18 16:36:35,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2022-04-18 16:36:35,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:35,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2022-04-18 16:36:35,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,861 INFO L186 Difference]: Start difference. First operand has 158 places, 159 transitions, 330 flow. Second operand 3 states and 444 transitions. [2022-04-18 16:36:35,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 130 transitions, 298 flow [2022-04-18 16:36:35,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 130 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:35,869 INFO L242 Difference]: Finished difference. Result has 132 places, 128 transitions, 264 flow [2022-04-18 16:36:35,871 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=132, PETRI_TRANSITIONS=128} [2022-04-18 16:36:35,875 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -26 predicate places. [2022-04-18 16:36:35,875 INFO L478 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 264 flow [2022-04-18 16:36:35,875 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,875 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:35,876 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:35,876 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:36:35,876 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:35,876 INFO L85 PathProgramCache]: Analyzing trace with hash -275794144, now seen corresponding path program 1 times [2022-04-18 16:36:35,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:35,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101100313] [2022-04-18 16:36:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:35,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:35,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101100313] [2022-04-18 16:36:35,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101100313] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:35,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:35,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:35,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135892706] [2022-04-18 16:36:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:35,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:35,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:35,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:35,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:35,940 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 179 [2022-04-18 16:36:35,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:35,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 179 [2022-04-18 16:36:35,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:35,986 INFO L129 PetriNetUnfolder]: 5/129 cut-off events. [2022-04-18 16:36:35,986 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 16:36:35,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 129 events. 5/129 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 122. Up to 15 conditions per place. [2022-04-18 16:36:35,989 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 12 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2022-04-18 16:36:35,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 127 transitions, 290 flow [2022-04-18 16:36:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2022-04-18 16:36:35,992 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.776536312849162 [2022-04-18 16:36:35,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2022-04-18 16:36:35,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2022-04-18 16:36:35,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:35,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2022-04-18 16:36:35,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:35,996 INFO L186 Difference]: Start difference. First operand has 132 places, 128 transitions, 264 flow. Second operand 3 states and 417 transitions. [2022-04-18 16:36:35,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 127 transitions, 290 flow [2022-04-18 16:36:35,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 127 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:36,001 INFO L242 Difference]: Finished difference. Result has 129 places, 127 transitions, 262 flow [2022-04-18 16:36:36,001 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=129, PETRI_TRANSITIONS=127} [2022-04-18 16:36:36,002 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2022-04-18 16:36:36,002 INFO L478 AbstractCegarLoop]: Abstraction has has 129 places, 127 transitions, 262 flow [2022-04-18 16:36:36,003 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,003 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:36,003 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:36,004 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:36:36,004 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:36,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:36,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1510365554, now seen corresponding path program 1 times [2022-04-18 16:36:36,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:36,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980961797] [2022-04-18 16:36:36,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:36,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:36,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:36,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980961797] [2022-04-18 16:36:36,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980961797] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:36,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:36,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:36,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736861158] [2022-04-18 16:36:36,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:36,048 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:36,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:36,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:36,050 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 179 [2022-04-18 16:36:36,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 127 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:36,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 179 [2022-04-18 16:36:36,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:36,087 INFO L129 PetriNetUnfolder]: 5/128 cut-off events. [2022-04-18 16:36:36,087 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:36:36,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 128 events. 5/128 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 109. Up to 10 conditions per place. [2022-04-18 16:36:36,088 INFO L132 encePairwiseOnDemand]: 177/179 looper letters, 9 selfloop transitions, 1 changer transitions 0/126 dead transitions. [2022-04-18 16:36:36,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 126 transitions, 280 flow [2022-04-18 16:36:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2022-04-18 16:36:36,090 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7858472998137802 [2022-04-18 16:36:36,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2022-04-18 16:36:36,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2022-04-18 16:36:36,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:36,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2022-04-18 16:36:36,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,093 INFO L186 Difference]: Start difference. First operand has 129 places, 127 transitions, 262 flow. Second operand 3 states and 422 transitions. [2022-04-18 16:36:36,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 126 transitions, 280 flow [2022-04-18 16:36:36,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 126 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:36,095 INFO L242 Difference]: Finished difference. Result has 128 places, 126 transitions, 258 flow [2022-04-18 16:36:36,096 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=128, PETRI_TRANSITIONS=126} [2022-04-18 16:36:36,096 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -30 predicate places. [2022-04-18 16:36:36,097 INFO L478 AbstractCegarLoop]: Abstraction has has 128 places, 126 transitions, 258 flow [2022-04-18 16:36:36,097 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,097 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:36,097 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:36,098 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:36:36,098 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:36,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1250428069, now seen corresponding path program 1 times [2022-04-18 16:36:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:36,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690067459] [2022-04-18 16:36:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:36,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:36,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690067459] [2022-04-18 16:36:36,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690067459] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:36,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:36,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579673493] [2022-04-18 16:36:36,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:36,150 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:36,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:36,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:36,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:36,152 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 179 [2022-04-18 16:36:36,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 126 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:36,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 179 [2022-04-18 16:36:36,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:36,177 INFO L129 PetriNetUnfolder]: 5/127 cut-off events. [2022-04-18 16:36:36,178 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 16:36:36,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 127 events. 5/127 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 109. Up to 12 conditions per place. [2022-04-18 16:36:36,179 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 9 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2022-04-18 16:36:36,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 125 transitions, 278 flow [2022-04-18 16:36:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2022-04-18 16:36:36,180 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7877094972067039 [2022-04-18 16:36:36,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2022-04-18 16:36:36,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2022-04-18 16:36:36,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:36,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2022-04-18 16:36:36,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,184 INFO L186 Difference]: Start difference. First operand has 128 places, 126 transitions, 258 flow. Second operand 3 states and 423 transitions. [2022-04-18 16:36:36,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 125 transitions, 278 flow [2022-04-18 16:36:36,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 125 transitions, 277 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:36:36,186 INFO L242 Difference]: Finished difference. Result has 128 places, 125 transitions, 259 flow [2022-04-18 16:36:36,187 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=128, PETRI_TRANSITIONS=125} [2022-04-18 16:36:36,187 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -30 predicate places. [2022-04-18 16:36:36,187 INFO L478 AbstractCegarLoop]: Abstraction has has 128 places, 125 transitions, 259 flow [2022-04-18 16:36:36,188 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,188 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:36,188 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:36,188 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:36:36,188 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:36,189 INFO L85 PathProgramCache]: Analyzing trace with hash 310148102, now seen corresponding path program 1 times [2022-04-18 16:36:36,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:36,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160819935] [2022-04-18 16:36:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:36,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:36,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160819935] [2022-04-18 16:36:36,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160819935] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:36,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:36,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:36,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103141285] [2022-04-18 16:36:36,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:36,328 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:36,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:36,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:36,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:36,330 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 179 [2022-04-18 16:36:36,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 125 transitions, 259 flow. Second operand has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:36,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 179 [2022-04-18 16:36:36,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:36,455 INFO L129 PetriNetUnfolder]: 23/144 cut-off events. [2022-04-18 16:36:36,455 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:36:36,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 144 events. 23/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 170. Up to 50 conditions per place. [2022-04-18 16:36:36,458 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 29 selfloop transitions, 5 changer transitions 0/124 dead transitions. [2022-04-18 16:36:36,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 124 transitions, 325 flow [2022-04-18 16:36:36,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 719 transitions. [2022-04-18 16:36:36,460 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6694599627560521 [2022-04-18 16:36:36,460 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 719 transitions. [2022-04-18 16:36:36,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 719 transitions. [2022-04-18 16:36:36,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:36,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 719 transitions. [2022-04-18 16:36:36,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 119.83333333333333) internal successors, (719), 6 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,465 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,466 INFO L186 Difference]: Start difference. First operand has 128 places, 125 transitions, 259 flow. Second operand 6 states and 719 transitions. [2022-04-18 16:36:36,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 124 transitions, 325 flow [2022-04-18 16:36:36,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 124 transitions, 321 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:36:36,469 INFO L242 Difference]: Finished difference. Result has 130 places, 124 transitions, 263 flow [2022-04-18 16:36:36,470 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=263, PETRI_PLACES=130, PETRI_TRANSITIONS=124} [2022-04-18 16:36:36,472 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -28 predicate places. [2022-04-18 16:36:36,473 INFO L478 AbstractCegarLoop]: Abstraction has has 130 places, 124 transitions, 263 flow [2022-04-18 16:36:36,473 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.83333333333333) internal successors, (695), 6 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,473 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:36,474 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:36,474 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:36:36,475 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:36,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:36,475 INFO L85 PathProgramCache]: Analyzing trace with hash -348378427, now seen corresponding path program 1 times [2022-04-18 16:36:36,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:36,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671911215] [2022-04-18 16:36:36,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:36,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:36,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671911215] [2022-04-18 16:36:36,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671911215] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:36,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:36,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942273991] [2022-04-18 16:36:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:36,638 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:36,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:36,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:36,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:36,639 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 179 [2022-04-18 16:36:36,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 124 transitions, 263 flow. Second operand has 6 states, 6 states have (on average 120.83333333333333) internal successors, (725), 6 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:36,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 179 [2022-04-18 16:36:36,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:36,754 INFO L129 PetriNetUnfolder]: 23/143 cut-off events. [2022-04-18 16:36:36,754 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 16:36:36,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 143 events. 23/143 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 177. Up to 21 conditions per place. [2022-04-18 16:36:36,755 INFO L132 encePairwiseOnDemand]: 174/179 looper letters, 30 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2022-04-18 16:36:36,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 345 flow [2022-04-18 16:36:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 749 transitions. [2022-04-18 16:36:36,757 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6973929236499069 [2022-04-18 16:36:36,758 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 749 transitions. [2022-04-18 16:36:36,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 749 transitions. [2022-04-18 16:36:36,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:36,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 749 transitions. [2022-04-18 16:36:36,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,762 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,762 INFO L186 Difference]: Start difference. First operand has 130 places, 124 transitions, 263 flow. Second operand 6 states and 749 transitions. [2022-04-18 16:36:36,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 345 flow [2022-04-18 16:36:36,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 131 transitions, 335 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:36:36,765 INFO L242 Difference]: Finished difference. Result has 129 places, 123 transitions, 259 flow [2022-04-18 16:36:36,765 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=259, PETRI_PLACES=129, PETRI_TRANSITIONS=123} [2022-04-18 16:36:36,767 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2022-04-18 16:36:36,767 INFO L478 AbstractCegarLoop]: Abstraction has has 129 places, 123 transitions, 259 flow [2022-04-18 16:36:36,768 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.83333333333333) internal successors, (725), 6 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,768 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:36,768 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:36,768 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:36:36,768 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:36,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:36,769 INFO L85 PathProgramCache]: Analyzing trace with hash -695845387, now seen corresponding path program 1 times [2022-04-18 16:36:36,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:36,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041724351] [2022-04-18 16:36:36,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:36,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:36,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:36,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:36,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041724351] [2022-04-18 16:36:36,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041724351] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:36,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:36,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:36:36,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824644708] [2022-04-18 16:36:36,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:36,910 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:36:36,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:36,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:36:36,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:36:36,915 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 179 [2022-04-18 16:36:36,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 123 transitions, 259 flow. Second operand has 6 states, 6 states have (on average 121.83333333333333) internal successors, (731), 6 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:36,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:36,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 179 [2022-04-18 16:36:36,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:37,010 INFO L129 PetriNetUnfolder]: 22/141 cut-off events. [2022-04-18 16:36:37,011 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 16:36:37,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 141 events. 22/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 157. Up to 34 conditions per place. [2022-04-18 16:36:37,012 INFO L132 encePairwiseOnDemand]: 174/179 looper letters, 25 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2022-04-18 16:36:37,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 126 transitions, 323 flow [2022-04-18 16:36:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:36:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:36:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 744 transitions. [2022-04-18 16:36:37,014 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6927374301675978 [2022-04-18 16:36:37,014 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 744 transitions. [2022-04-18 16:36:37,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 744 transitions. [2022-04-18 16:36:37,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:37,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 744 transitions. [2022-04-18 16:36:37,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,018 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 179.0) internal successors, (1253), 7 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,018 INFO L186 Difference]: Start difference. First operand has 129 places, 123 transitions, 259 flow. Second operand 6 states and 744 transitions. [2022-04-18 16:36:37,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 126 transitions, 323 flow [2022-04-18 16:36:37,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 316 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:37,021 INFO L242 Difference]: Finished difference. Result has 129 places, 122 transitions, 258 flow [2022-04-18 16:36:37,021 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=258, PETRI_PLACES=129, PETRI_TRANSITIONS=122} [2022-04-18 16:36:37,022 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2022-04-18 16:36:37,022 INFO L478 AbstractCegarLoop]: Abstraction has has 129 places, 122 transitions, 258 flow [2022-04-18 16:36:37,023 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.83333333333333) internal successors, (731), 6 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,023 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:36:37,023 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:37,023 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:36:37,023 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-04-18 16:36:37,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:36:37,024 INFO L85 PathProgramCache]: Analyzing trace with hash -884867944, now seen corresponding path program 1 times [2022-04-18 16:36:37,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:36:37,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822818931] [2022-04-18 16:36:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:36:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:36:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:36:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:36:37,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:36:37,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822818931] [2022-04-18 16:36:37,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822818931] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:36:37,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:36:37,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:36:37,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559524026] [2022-04-18 16:36:37,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:36:37,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:36:37,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:36:37,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:36:37,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:36:37,068 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 179 [2022-04-18 16:36:37,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:36:37,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 179 [2022-04-18 16:36:37,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:36:37,089 INFO L129 PetriNetUnfolder]: 5/123 cut-off events. [2022-04-18 16:36:37,089 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-04-18 16:36:37,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 123 events. 5/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 128. Up to 11 conditions per place. [2022-04-18 16:36:37,090 INFO L132 encePairwiseOnDemand]: 177/179 looper letters, 0 selfloop transitions, 0 changer transitions 121/121 dead transitions. [2022-04-18 16:36:37,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 121 transitions, 274 flow [2022-04-18 16:36:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:36:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:36:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2022-04-18 16:36:37,091 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7839851024208566 [2022-04-18 16:36:37,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 421 transitions. [2022-04-18 16:36:37,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 421 transitions. [2022-04-18 16:36:37,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:36:37,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 421 transitions. [2022-04-18 16:36:37,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,094 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,094 INFO L186 Difference]: Start difference. First operand has 129 places, 122 transitions, 258 flow. Second operand 3 states and 421 transitions. [2022-04-18 16:36:37,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 121 transitions, 274 flow [2022-04-18 16:36:37,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 121 transitions, 267 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:36:37,096 INFO L242 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2022-04-18 16:36:37,096 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2022-04-18 16:36:37,098 INFO L335 CegarLoopForPetriNet]: 158 programPoint places, -32 predicate places. [2022-04-18 16:36:37,098 INFO L478 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2022-04-18 16:36:37,099 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:36:37,101 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-04-18 16:36:37,102 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-04-18 16:36:37,102 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-04-18 16:36:37,104 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-04-18 16:36:37,105 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-04-18 16:36:37,106 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-04-18 16:36:37,107 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-04-18 16:36:37,110 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-04-18 16:36:37,111 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-04-18 16:36:37,112 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-04-18 16:36:37,112 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-04-18 16:36:37,112 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-04-18 16:36:37,112 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2022-04-18 16:36:37,113 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2022-04-18 16:36:37,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-04-18 16:36:37,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-04-18 16:36:37,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-04-18 16:36:37,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-04-18 16:36:37,114 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-04-18 16:36:37,115 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-04-18 16:36:37,115 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-04-18 16:36:37,115 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-04-18 16:36:37,116 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-04-18 16:36:37,116 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-04-18 16:36:37,116 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-04-18 16:36:37,116 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-04-18 16:36:37,116 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-04-18 16:36:37,117 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-04-18 16:36:37,118 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:36:37,120 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:36:37,124 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:36:37,125 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:36:37,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:36:37 BasicIcfg [2022-04-18 16:36:37,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:36:37,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:36:37,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:36:37,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:36:37,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:36:35" (3/4) ... [2022-04-18 16:36:37,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:36:37,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:36:37,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:36:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-04-18 16:36:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:36:37,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:36:37,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:36:37,174 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:36:37,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:36:37,175 INFO L158 Benchmark]: Toolchain (without parser) took 2783.32ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 80.6MB in the beginning and 87.7MB in the end (delta: -7.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,176 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:36:37,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.81ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 84.5MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,176 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,177 INFO L158 Benchmark]: RCFGBuilder took 655.72ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 79.9MB in the beginning and 100.2MB in the end (delta: -20.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,177 INFO L158 Benchmark]: TraceAbstraction took 1810.84ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.5MB in the beginning and 90.8MB in the end (delta: 8.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,177 INFO L158 Benchmark]: Witness Printer took 44.03ms. Allocated memory is still 172.0MB. Free memory was 90.8MB in the beginning and 87.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:36:37,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.81ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 84.5MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.72ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 79.9MB in the beginning and 100.2MB in the end (delta: -20.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1810.84ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 99.5MB in the beginning and 90.8MB in the end (delta: 8.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 44.03ms. Allocated memory is still 172.0MB. Free memory was 90.8MB in the beginning and 87.7MB 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 76]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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, 210 locations, 56 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 72 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:36:37,231 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