./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:27:42,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:27:42,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:27:42,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:27:42,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:27:42,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:27:42,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:27:42,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:27:42,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:27:42,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:27:42,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:27:42,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:27:42,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:27:42,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:27:42,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:27:42,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:27:42,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:27:42,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:27:42,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:27:42,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:27:42,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:27:42,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:27:42,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:27:42,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:27:42,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:27:42,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:27:42,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:27:42,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:27:42,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:27:42,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:27:42,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:27:42,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:27:42,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:27:42,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:27:42,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:27:42,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:27:42,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:27:42,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:27:42,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:27:42,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:27:42,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:27:42,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:27:43,040 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:27:43,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:27:43,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:27:43,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:27:43,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:27:43,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:27:43,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:27:43,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:27:43,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:27:43,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:27:43,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:43,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:27:43,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:27:43,045 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:27:43,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:27:43,045 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:27:43,045 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:27:43,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:27:43,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:27:43,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:27:43,383 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:27:43,383 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:27:43,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-29 09:27:44,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:27:44,831 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:27:44,832 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-29 09:27:44,845 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c61e1c8/9ea518611c944f2eb51fa7d06a730b72/FLAGec9e33add [2023-08-29 09:27:44,856 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99c61e1c8/9ea518611c944f2eb51fa7d06a730b72 [2023-08-29 09:27:44,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:27:44,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:27:44,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:44,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:27:44,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:27:44,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:44" (1/1) ... [2023-08-29 09:27:44,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d61008d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:44, skipping insertion in model container [2023-08-29 09:27:44,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:44" (1/1) ... [2023-08-29 09:27:44,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:27:44,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:27:45,144 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i[30285,30298] [2023-08-29 09:27:45,152 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i[30729,30742] [2023-08-29 09:27:45,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:45,177 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:27:45,235 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i[30285,30298] [2023-08-29 09:27:45,241 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i[30729,30742] [2023-08-29 09:27:45,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:45,340 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:27:45,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45 WrapperNode [2023-08-29 09:27:45,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:45,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:45,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:27:45,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:27:45,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,420 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265 [2023-08-29 09:27:45,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:45,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:27:45,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:27:45,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:27:45,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:27:45,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:27:45,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:27:45,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:27:45,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (1/1) ... [2023-08-29 09:27:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:27:45,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:27:45,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:27:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:27:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:27:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:27:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:27:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:27:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:27:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:27:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:27:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:27:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:27:45,570 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:27:45,707 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:27:45,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:27:46,172 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:27:46,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:27:46,493 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 09:27:46,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:46 BoogieIcfgContainer [2023-08-29 09:27:46,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:27:46,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:27:46,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:27:46,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:27:46,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:27:44" (1/3) ... [2023-08-29 09:27:46,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31987687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:46, skipping insertion in model container [2023-08-29 09:27:46,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:45" (2/3) ... [2023-08-29 09:27:46,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31987687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:46, skipping insertion in model container [2023-08-29 09:27:46,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:46" (3/3) ... [2023-08-29 09:27:46,502 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-08-29 09:27:46,508 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:27:46,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:27:46,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-29 09:27:46,517 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:27:46,626 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:27:46,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,745 INFO L130 PetriNetUnfolder]: 9/144 cut-off events. [2023-08-29 09:27:46,746 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:46,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 9/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 316 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2023-08-29 09:27:46,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,762 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:46,780 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,785 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 134 transitions, 273 flow [2023-08-29 09:27:46,841 INFO L130 PetriNetUnfolder]: 9/144 cut-off events. [2023-08-29 09:27:46,841 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:46,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 9/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 316 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2023-08-29 09:27:46,846 INFO L119 LiptonReduction]: Number of co-enabled transitions 2626 [2023-08-29 09:28:04,900 WARN L222 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:28:11,990 WARN L222 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:28:29,431 WARN L222 SmtUtils]: Spent 17.44s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:28:38,445 WARN L222 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:28:46,278 WARN L222 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:28:53,609 WARN L222 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:01,338 WARN L222 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:09,341 WARN L222 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:18,419 WARN L222 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:27,022 WARN L222 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:36,999 WARN L222 SmtUtils]: Spent 9.97s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:46,791 WARN L222 SmtUtils]: Spent 9.79s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:29:59,047 WARN L222 SmtUtils]: Spent 11.96s on a formula simplification. DAG size of input: 143 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:30:05,077 WARN L222 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:30:17,769 WARN L222 SmtUtils]: Spent 12.69s on a formula simplification. DAG size of input: 156 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:30:24,531 WARN L222 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:30:25,791 INFO L134 LiptonReduction]: Checked pairs total: 3810 [2023-08-29 09:30:25,791 INFO L136 LiptonReduction]: Total number of compositions: 139 [2023-08-29 09:30:25,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:30:25,804 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14c96838, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:30:25,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-08-29 09:30:25,808 INFO L130 PetriNetUnfolder]: 0/11 cut-off events. [2023-08-29 09:30:25,808 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:30:25,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:30:25,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:30:25,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err10ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-29 09:30:25,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:30:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash 900044834, now seen corresponding path program 1 times [2023-08-29 09:30:25,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:30:25,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091746460] [2023-08-29 09:30:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:30:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:30:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:30:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:30:26,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:30:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091746460] [2023-08-29 09:30:26,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091746460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:30:26,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:30:26,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:30:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372088208] [2023-08-29 09:30:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:30:26,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:30:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:30:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:30:26,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:30:26,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 273 [2023-08-29 09:30:26,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 42 transitions, 89 flow. Second operand has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:30:26,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:30:26,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 273 [2023-08-29 09:30:26,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:30:26,334 INFO L130 PetriNetUnfolder]: 37/78 cut-off events. [2023-08-29 09:30:26,334 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:30:26,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 78 events. 37/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 206 event pairs, 22 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 144. Up to 76 conditions per place. [2023-08-29 09:30:26,336 INFO L137 encePairwiseOnDemand]: 252/273 looper letters, 20 selfloop transitions, 0 changer transitions 0/21 dead transitions. [2023-08-29 09:30:26,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 21 transitions, 87 flow [2023-08-29 09:30:26,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:30:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:30:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 263 transitions. [2023-08-29 09:30:26,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4816849816849817 [2023-08-29 09:30:26,352 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 263 transitions. [2023-08-29 09:30:26,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 263 transitions. [2023-08-29 09:30:26,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:30:26,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 263 transitions. [2023-08-29 09:30:26,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:30:26,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:30:26,362 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:30:26,363 INFO L175 Difference]: Start difference. First operand has 38 places, 42 transitions, 89 flow. Second operand 2 states and 263 transitions. [2023-08-29 09:30:26,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 21 transitions, 87 flow [2023-08-29 09:30:26,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 21 transitions, 87 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:30:26,367 INFO L231 Difference]: Finished difference. Result has 20 places, 21 transitions, 47 flow [2023-08-29 09:30:26,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=47, PETRI_PLACES=20, PETRI_TRANSITIONS=21} [2023-08-29 09:30:26,375 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, -18 predicate places. [2023-08-29 09:30:26,375 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 21 transitions, 47 flow [2023-08-29 09:30:26,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:30:26,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:30:26,380 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 09:30:26,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:30:26,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-08-29 09:30:26,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:30:26,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2131492116, now seen corresponding path program 1 times [2023-08-29 09:30:26,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:30:26,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795144753] [2023-08-29 09:30:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:30:26,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:30:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:30:26,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:30:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:30:26,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:30:26,486 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:30:26,488 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2023-08-29 09:30:26,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-08-29 09:30:26,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-08-29 09:30:26,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-08-29 09:30:26,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-08-29 09:30:26,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-08-29 09:30:26,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-08-29 09:30:26,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-08-29 09:30:26,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-08-29 09:30:26,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-08-29 09:30:26,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-08-29 09:30:26,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-08-29 09:30:26,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-08-29 09:30:26,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-08-29 09:30:26,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-08-29 09:30:26,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-08-29 09:30:26,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-08-29 09:30:26,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-08-29 09:30:26,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-08-29 09:30:26,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-08-29 09:30:26,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-08-29 09:30:26,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2023-08-29 09:30:26,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2023-08-29 09:30:26,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2023-08-29 09:30:26,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-08-29 09:30:26,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-08-29 09:30:26,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-08-29 09:30:26,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-08-29 09:30:26,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-08-29 09:30:26,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-08-29 09:30:26,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-08-29 09:30:26,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-08-29 09:30:26,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-08-29 09:30:26,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-08-29 09:30:26,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-08-29 09:30:26,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-08-29 09:30:26,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-08-29 09:30:26,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:30:26,503 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 09:30:26,506 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:30:26,507 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 09:30:26,617 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:30:26,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,704 INFO L130 PetriNetUnfolder]: 17/258 cut-off events. [2023-08-29 09:30:26,705 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:30:26,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 258 events. 17/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 973 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 214. Up to 6 conditions per place. [2023-08-29 09:30:26,709 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,714 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:30:26,714 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,714 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 236 transitions, 484 flow [2023-08-29 09:30:26,756 INFO L130 PetriNetUnfolder]: 17/258 cut-off events. [2023-08-29 09:30:26,756 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:30:26,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 258 events. 17/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 973 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 214. Up to 6 conditions per place. [2023-08-29 09:30:26,771 INFO L119 LiptonReduction]: Number of co-enabled transitions 25856 [2023-08-29 09:30:40,597 WARN L222 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:30:46,833 WARN L222 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:00,203 WARN L222 SmtUtils]: Spent 13.37s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:06,885 WARN L222 SmtUtils]: Spent 6.68s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:20,127 WARN L222 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:26,627 WARN L222 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:40,282 WARN L222 SmtUtils]: Spent 13.65s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:47,813 WARN L222 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:31:55,793 WARN L222 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:02,561 WARN L222 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:09,848 WARN L222 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:17,705 WARN L222 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:25,331 WARN L222 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:32,307 WARN L222 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:39,907 WARN L222 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:32:47,399 WARN L222 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:02,842 WARN L222 SmtUtils]: Spent 15.08s on a formula simplification. DAG size of input: 141 DAG size of output: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:10,758 WARN L222 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:25,784 WARN L222 SmtUtils]: Spent 15.02s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:33,398 WARN L222 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:46,393 WARN L222 SmtUtils]: Spent 12.62s on a formula simplification. DAG size of input: 141 DAG size of output: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:33:52,695 WARN L222 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:05,273 WARN L222 SmtUtils]: Spent 12.58s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:11,838 WARN L222 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:13,201 INFO L134 LiptonReduction]: Checked pairs total: 100963 [2023-08-29 09:34:13,201 INFO L136 LiptonReduction]: Total number of compositions: 168 [2023-08-29 09:34:13,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:34:13,203 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14c96838, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:34:13,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2023-08-29 09:34:13,206 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 09:34:13,206 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 09:34:13,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:34:13,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:34:13,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2023-08-29 09:34:13,207 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:34:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash -100273578, now seen corresponding path program 1 times [2023-08-29 09:34:13,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:34:13,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912759518] [2023-08-29 09:34:13,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:34:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:34:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:34:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:34:13,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:34:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912759518] [2023-08-29 09:34:13,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912759518] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:34:13,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:34:13,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:34:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645662607] [2023-08-29 09:34:13,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:34:13,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:34:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:34:13,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:34:13,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:34:13,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 404 [2023-08-29 09:34:13,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 122 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 195.0) internal successors, (390), 2 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:13,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:34:13,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 404 [2023-08-29 09:34:13,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:34:13,912 INFO L130 PetriNetUnfolder]: 750/1736 cut-off events. [2023-08-29 09:34:13,912 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2023-08-29 09:34:13,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2909 conditions, 1736 events. 750/1736 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 12251 event pairs, 480 based on Foata normal form. 108/1513 useless extension candidates. Maximal degree in co-relation 976. Up to 1117 conditions per place. [2023-08-29 09:34:13,921 INFO L137 encePairwiseOnDemand]: 371/404 looper letters, 38 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2023-08-29 09:34:13,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 266 flow [2023-08-29 09:34:13,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:34:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:34:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 455 transitions. [2023-08-29 09:34:13,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5631188118811881 [2023-08-29 09:34:13,924 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 455 transitions. [2023-08-29 09:34:13,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 455 transitions. [2023-08-29 09:34:13,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:34:13,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 455 transitions. [2023-08-29 09:34:13,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 227.5) internal successors, (455), 2 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:13,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:13,930 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:13,930 INFO L175 Difference]: Start difference. First operand has 113 places, 122 transitions, 256 flow. Second operand 2 states and 455 transitions. [2023-08-29 09:34:13,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 266 flow [2023-08-29 09:34:13,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 89 transitions, 264 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 09:34:13,933 INFO L231 Difference]: Finished difference. Result has 85 places, 89 transitions, 188 flow [2023-08-29 09:34:13,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=85, PETRI_TRANSITIONS=89} [2023-08-29 09:34:13,934 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -28 predicate places. [2023-08-29 09:34:13,934 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 89 transitions, 188 flow [2023-08-29 09:34:13,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 195.0) internal successors, (390), 2 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:13,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:34:13,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:34:13,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:34:13,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2023-08-29 09:34:13,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:34:13,936 INFO L85 PathProgramCache]: Analyzing trace with hash -897460928, now seen corresponding path program 1 times [2023-08-29 09:34:13,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:34:13,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824389770] [2023-08-29 09:34:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:34:13,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:34:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:34:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:34:14,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:34:14,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824389770] [2023-08-29 09:34:14,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824389770] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:34:14,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:34:14,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:34:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250041685] [2023-08-29 09:34:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:34:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:34:14,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:34:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:34:14,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:34:14,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 404 [2023-08-29 09:34:14,533 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 89 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 168.5) internal successors, (1011), 6 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:14,533 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:34:14,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 404 [2023-08-29 09:34:14,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:34:16,994 INFO L130 PetriNetUnfolder]: 2981/5614 cut-off events. [2023-08-29 09:34:16,995 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2023-08-29 09:34:17,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10397 conditions, 5614 events. 2981/5614 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 43895 event pairs, 591 based on Foata normal form. 0/4754 useless extension candidates. Maximal degree in co-relation 10392. Up to 1862 conditions per place. [2023-08-29 09:34:17,026 INFO L137 encePairwiseOnDemand]: 374/404 looper letters, 222 selfloop transitions, 56 changer transitions 0/309 dead transitions. [2023-08-29 09:34:17,026 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 309 transitions, 1204 flow [2023-08-29 09:34:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 09:34:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 09:34:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1284 transitions. [2023-08-29 09:34:17,030 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297029702970297 [2023-08-29 09:34:17,030 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1284 transitions. [2023-08-29 09:34:17,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1284 transitions. [2023-08-29 09:34:17,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:34:17,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1284 transitions. [2023-08-29 09:34:17,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.0) internal successors, (1284), 6 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:17,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 404.0) internal successors, (2828), 7 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:17,041 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 404.0) internal successors, (2828), 7 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:17,042 INFO L175 Difference]: Start difference. First operand has 85 places, 89 transitions, 188 flow. Second operand 6 states and 1284 transitions. [2023-08-29 09:34:17,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 309 transitions, 1204 flow [2023-08-29 09:34:17,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 309 transitions, 1204 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:34:17,048 INFO L231 Difference]: Finished difference. Result has 95 places, 145 transitions, 584 flow [2023-08-29 09:34:17,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=584, PETRI_PLACES=95, PETRI_TRANSITIONS=145} [2023-08-29 09:34:17,049 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -18 predicate places. [2023-08-29 09:34:17,049 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 145 transitions, 584 flow [2023-08-29 09:34:17,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 168.5) internal successors, (1011), 6 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:34:17,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:34:17,050 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 09:34:17,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:34:17,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2023-08-29 09:34:17,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:34:17,051 INFO L85 PathProgramCache]: Analyzing trace with hash 85164185, now seen corresponding path program 1 times [2023-08-29 09:34:17,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:34:17,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93530212] [2023-08-29 09:34:17,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:34:17,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:34:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:34:17,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:34:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:34:17,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:34:17,093 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:34:17,093 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 55 remaining) [2023-08-29 09:34:17,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining) [2023-08-29 09:34:17,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining) [2023-08-29 09:34:17,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining) [2023-08-29 09:34:17,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining) [2023-08-29 09:34:17,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (48 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining) [2023-08-29 09:34:17,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining) [2023-08-29 09:34:17,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining) [2023-08-29 09:34:17,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining) [2023-08-29 09:34:17,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining) [2023-08-29 09:34:17,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining) [2023-08-29 09:34:17,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining) [2023-08-29 09:34:17,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining) [2023-08-29 09:34:17,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining) [2023-08-29 09:34:17,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining) [2023-08-29 09:34:17,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining) [2023-08-29 09:34:17,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining) [2023-08-29 09:34:17,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining) [2023-08-29 09:34:17,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining) [2023-08-29 09:34:17,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining) [2023-08-29 09:34:17,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining) [2023-08-29 09:34:17,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining) [2023-08-29 09:34:17,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining) [2023-08-29 09:34:17,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining) [2023-08-29 09:34:17,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining) [2023-08-29 09:34:17,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining) [2023-08-29 09:34:17,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining) [2023-08-29 09:34:17,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining) [2023-08-29 09:34:17,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining) [2023-08-29 09:34:17,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining) [2023-08-29 09:34:17,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining) [2023-08-29 09:34:17,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining) [2023-08-29 09:34:17,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining) [2023-08-29 09:34:17,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining) [2023-08-29 09:34:17,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining) [2023-08-29 09:34:17,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:34:17,105 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 09:34:17,106 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:34:17,106 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 09:34:17,237 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:34:17,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,339 INFO L130 PetriNetUnfolder]: 25/372 cut-off events. [2023-08-29 09:34:17,339 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:34:17,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 372 events. 25/372 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1701 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 315. Up to 8 conditions per place. [2023-08-29 09:34:17,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,350 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:34:17,350 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,350 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 338 transitions, 697 flow [2023-08-29 09:34:17,412 INFO L130 PetriNetUnfolder]: 25/372 cut-off events. [2023-08-29 09:34:17,413 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 09:34:17,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 372 events. 25/372 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1701 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 315. Up to 8 conditions per place. [2023-08-29 09:34:17,451 INFO L119 LiptonReduction]: Number of co-enabled transitions 69690 [2023-08-29 09:34:30,984 WARN L222 SmtUtils]: Spent 12.38s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:37,220 WARN L222 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:52,102 WARN L222 SmtUtils]: Spent 14.88s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:34:59,222 WARN L222 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:35:11,626 WARN L222 SmtUtils]: Spent 11.90s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:35:18,651 WARN L222 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:35:34,629 WARN L222 SmtUtils]: Spent 15.98s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:35:42,795 WARN L222 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:35:56,382 WARN L222 SmtUtils]: Spent 11.08s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:02,051 WARN L222 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:14,506 WARN L222 SmtUtils]: Spent 12.45s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:20,791 WARN L222 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:31,232 WARN L222 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:36,937 WARN L222 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:49,406 WARN L222 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:36:56,142 WARN L222 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:06,619 WARN L222 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:13,524 WARN L222 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:20,724 WARN L222 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:27,684 WARN L222 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:34,581 WARN L222 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:42,056 WARN L222 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:50,490 WARN L222 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:37:59,651 WARN L222 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:38:07,306 WARN L222 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:38:14,090 WARN L222 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:38:21,712 WARN L222 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:38:29,423 WARN L222 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:38:31,537 INFO L134 LiptonReduction]: Checked pairs total: 250690 [2023-08-29 09:38:31,538 INFO L136 LiptonReduction]: Total number of compositions: 231 [2023-08-29 09:38:31,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:38:31,540 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14c96838, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:38:31,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-08-29 09:38:31,542 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 09:38:31,542 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 09:38:31,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:38:31,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 09:38:31,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 09:38:31,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:38:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1731133864, now seen corresponding path program 1 times [2023-08-29 09:38:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:38:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706240288] [2023-08-29 09:38:31,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:38:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:38:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:38:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:38:31,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:38:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706240288] [2023-08-29 09:38:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706240288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:38:31,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:38:31,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:38:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311504231] [2023-08-29 09:38:31,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:38:31,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:38:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:38:31,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:38:31,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:38:31,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 569 [2023-08-29 09:38:31,577 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 181 transitions, 383 flow. Second operand has 2 states, 2 states have (on average 276.0) internal successors, (552), 2 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:31,577 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:38:31,577 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 569 [2023-08-29 09:38:31,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:38:36,115 INFO L130 PetriNetUnfolder]: 17073/30305 cut-off events. [2023-08-29 09:38:36,115 INFO L131 PetriNetUnfolder]: For 1237/1237 co-relation queries the response was YES. [2023-08-29 09:38:36,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53402 conditions, 30305 events. 17073/30305 cut-off events. For 1237/1237 co-relation queries the response was YES. Maximal size of possible extension queue 1426. Compared 277939 event pairs, 11463 based on Foata normal form. 2244/26045 useless extension candidates. Maximal degree in co-relation 4382. Up to 22198 conditions per place. [2023-08-29 09:38:36,296 INFO L137 encePairwiseOnDemand]: 520/569 looper letters, 57 selfloop transitions, 0 changer transitions 0/132 dead transitions. [2023-08-29 09:38:36,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 132 transitions, 399 flow [2023-08-29 09:38:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:38:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:38:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 652 transitions. [2023-08-29 09:38:36,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5729349736379613 [2023-08-29 09:38:36,299 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 652 transitions. [2023-08-29 09:38:36,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 652 transitions. [2023-08-29 09:38:36,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:38:36,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 652 transitions. [2023-08-29 09:38:36,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 326.0) internal successors, (652), 2 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:36,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:36,305 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:36,305 INFO L175 Difference]: Start difference. First operand has 167 places, 181 transitions, 383 flow. Second operand 2 states and 652 transitions. [2023-08-29 09:38:36,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 132 transitions, 399 flow [2023-08-29 09:38:36,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 132 transitions, 393 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-29 09:38:36,312 INFO L231 Difference]: Finished difference. Result has 125 places, 132 transitions, 279 flow [2023-08-29 09:38:36,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=279, PETRI_PLACES=125, PETRI_TRANSITIONS=132} [2023-08-29 09:38:36,316 INFO L281 CegarLoopForPetriNet]: 167 programPoint places, -42 predicate places. [2023-08-29 09:38:36,316 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 132 transitions, 279 flow [2023-08-29 09:38:36,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 276.0) internal successors, (552), 2 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:36,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:38:36,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:38:36,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 09:38:36,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 09:38:36,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:38:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1481011272, now seen corresponding path program 1 times [2023-08-29 09:38:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:38:36,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879920659] [2023-08-29 09:38:36,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:38:36,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:38:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:38:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:38:36,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:38:36,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879920659] [2023-08-29 09:38:36,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879920659] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:38:36,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:38:36,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 09:38:36,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343223267] [2023-08-29 09:38:36,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:38:36,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 09:38:36,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:38:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 09:38:36,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 09:38:36,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 569 [2023-08-29 09:38:36,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 132 transitions, 279 flow. Second operand has 6 states, 6 states have (on average 237.5) internal successors, (1425), 6 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:38:36,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:38:36,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 569 [2023-08-29 09:38:36,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:39:00,575 INFO L130 PetriNetUnfolder]: 157191/235338 cut-off events. [2023-08-29 09:39:00,575 INFO L131 PetriNetUnfolder]: For 2678/2678 co-relation queries the response was YES. [2023-08-29 09:39:01,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450268 conditions, 235338 events. 157191/235338 cut-off events. For 2678/2678 co-relation queries the response was YES. Maximal size of possible extension queue 11567. Compared 2220914 event pairs, 27530 based on Foata normal form. 0/192530 useless extension candidates. Maximal degree in co-relation 450262. Up to 76355 conditions per place. [2023-08-29 09:39:02,115 INFO L137 encePairwiseOnDemand]: 523/569 looper letters, 333 selfloop transitions, 88 changer transitions 0/466 dead transitions. [2023-08-29 09:39:02,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 466 transitions, 1829 flow [2023-08-29 09:39:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 09:39:02,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 09:39:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1843 transitions. [2023-08-29 09:39:02,121 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5398359695371998 [2023-08-29 09:39:02,121 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1843 transitions. [2023-08-29 09:39:02,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1843 transitions. [2023-08-29 09:39:02,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:39:02,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1843 transitions. [2023-08-29 09:39:02,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.1666666666667) internal successors, (1843), 6 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:39:02,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:39:02,132 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 569.0) internal successors, (3983), 7 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:39:02,132 INFO L175 Difference]: Start difference. First operand has 125 places, 132 transitions, 279 flow. Second operand 6 states and 1843 transitions. [2023-08-29 09:39:02,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 466 transitions, 1829 flow [2023-08-29 09:39:02,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 466 transitions, 1829 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 09:39:02,144 INFO L231 Difference]: Finished difference. Result has 135 places, 220 transitions, 899 flow [2023-08-29 09:39:02,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=569, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=899, PETRI_PLACES=135, PETRI_TRANSITIONS=220} [2023-08-29 09:39:02,146 INFO L281 CegarLoopForPetriNet]: 167 programPoint places, -32 predicate places. [2023-08-29 09:39:02,146 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 220 transitions, 899 flow [2023-08-29 09:39:02,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 237.5) internal successors, (1425), 6 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 09:39:02,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:39:02,147 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 09:39:02,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 09:39:02,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 09:39:02,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:39:02,148 INFO L85 PathProgramCache]: Analyzing trace with hash 250328563, now seen corresponding path program 1 times [2023-08-29 09:39:02,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:39:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837370847] [2023-08-29 09:39:02,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:39:02,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:39:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:39:02,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:39:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:39:02,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:39:02,184 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:39:02,184 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-08-29 09:39:02,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-08-29 09:39:02,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-08-29 09:39:02,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-08-29 09:39:02,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-08-29 09:39:02,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-08-29 09:39:02,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-08-29 09:39:02,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-08-29 09:39:02,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-08-29 09:39:02,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-08-29 09:39:02,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-08-29 09:39:02,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-08-29 09:39:02,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-08-29 09:39:02,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 09:39:02,196 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 09:39:02,197 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 09:39:02,197 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 09:39:02,316 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:39:02,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,385 INFO L130 PetriNetUnfolder]: 33/486 cut-off events. [2023-08-29 09:39:02,385 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:39:02,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 486 events. 33/486 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2430 event pairs, 0 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 416. Up to 10 conditions per place. [2023-08-29 09:39:02,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,396 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:39:02,396 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,397 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 440 transitions, 912 flow [2023-08-29 09:39:02,464 INFO L130 PetriNetUnfolder]: 33/486 cut-off events. [2023-08-29 09:39:02,464 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 09:39:02,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 486 events. 33/486 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2430 event pairs, 0 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 416. Up to 10 conditions per place. [2023-08-29 09:39:02,496 INFO L119 LiptonReduction]: Number of co-enabled transitions 134128 [2023-08-29 09:39:19,841 WARN L222 SmtUtils]: Spent 14.91s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:39:28,038 WARN L222 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:39:44,733 WARN L222 SmtUtils]: Spent 16.69s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:39:53,719 WARN L222 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:07,614 WARN L222 SmtUtils]: Spent 13.49s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:14,735 WARN L222 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:28,667 WARN L222 SmtUtils]: Spent 13.93s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:35,679 WARN L222 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:51,401 WARN L222 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:40:58,462 WARN L222 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:41:13,972 WARN L222 SmtUtils]: Spent 15.51s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:41:22,555 WARN L222 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:41:35,223 WARN L222 SmtUtils]: Spent 12.37s on a formula simplification. DAG size of input: 144 DAG size of output: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:41:41,517 WARN L222 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:41:56,080 WARN L222 SmtUtils]: Spent 14.56s on a formula simplification. DAG size of input: 130 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 09:42:03,438 WARN L222 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15