./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:35:29,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:35:29,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:35:29,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:35:29,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:35:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:35:29,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:35:29,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:35:29,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:35:29,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:35:29,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:35:29,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:35:29,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:35:29,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:35:29,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:35:29,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:35:29,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:35:29,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:35:29,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:35:29,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:35:29,289 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:35:29,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:35:29,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:35:29,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:35:29,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:35:29,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:35:29,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:35:29,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:35:29,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:35:29,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:35:29,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:35:29,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:35:29,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:35:29,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:35:29,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:35:29,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:35:29,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:35:29,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:35:29,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:35:29,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:35:29,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:35:29,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:35:29,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:35:29,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:35:29,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:35:29,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:35:29,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:35:29,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:35:29,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:35:29,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:35:29,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:35:29,330 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:35:29,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:35:29,330 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:35:29,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:35:29,332 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:35:29,332 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:35:29,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:35:29,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:35:29,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:35:29,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:35:29,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:35:29,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:35:29,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:29,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:35:29,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:35:29,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:35:29,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:35:29,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:35:29,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:35:29,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:35:29,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:35:29,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2022-04-18 16:35:29,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:35:29,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:35:29,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:35:29,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:35:29,561 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:35:29,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2022-04-18 16:35:29,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ef447f/6d9f0c6e124c497ea3d280eac94260c9/FLAGd7f74c22f [2022-04-18 16:35:29,938 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:35:29,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2022-04-18 16:35:29,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ef447f/6d9f0c6e124c497ea3d280eac94260c9/FLAGd7f74c22f [2022-04-18 16:35:29,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e07ef447f/6d9f0c6e124c497ea3d280eac94260c9 [2022-04-18 16:35:29,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:35:29,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:35:29,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:29,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:35:29,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:35:29,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4a04c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29, skipping insertion in model container [2022-04-18 16:35:29,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:35:29,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:35:30,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2022-04-18 16:35:30,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:30,190 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:35:30,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2022-04-18 16:35:30,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:30,246 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:35:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30 WrapperNode [2022-04-18 16:35:30,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:30,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:30,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:35:30,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:35:30,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,284 INFO L137 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 297 [2022-04-18 16:35:30,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:30,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:35:30,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:35:30,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:35:30,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:35:30,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:35:30,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:35:30,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:35:30,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (1/1) ... [2022-04-18 16:35:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:30,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:35:30,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:35:30,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:35:30,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:35:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:35:30,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:35:30,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:35:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:35:30,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:35:30,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:35:30,376 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:35:30,453 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:35:30,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:35:30,831 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:35:30,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:35:30,970 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 16:35:30,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30 BoogieIcfgContainer [2022-04-18 16:35:30,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:35:30,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:35:30,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:35:30,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:35:30,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:35:29" (1/3) ... [2022-04-18 16:35:30,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e580440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:30, skipping insertion in model container [2022-04-18 16:35:30,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:30" (2/3) ... [2022-04-18 16:35:30,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e580440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:30, skipping insertion in model container [2022-04-18 16:35:30,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30" (3/3) ... [2022-04-18 16:35:30,980 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2022-04-18 16:35:30,984 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:35:30,984 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:35:30,984 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-04-18 16:35:30,984 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:35:31,042 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:35:31,078 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:35:31,084 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:35:31,084 INFO L341 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-04-18 16:35:31,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 243 transitions, 510 flow [2022-04-18 16:35:31,182 INFO L129 PetriNetUnfolder]: 13/240 cut-off events. [2022-04-18 16:35:31,183 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:35:31,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 240 events. 13/240 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 249 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2022-04-18 16:35:31,187 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 243 transitions, 510 flow [2022-04-18 16:35:31,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 220 transitions, 458 flow [2022-04-18 16:35:31,202 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2022-04-18 16:35:31,203 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:31,203 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,203 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:31,204 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:31,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1365112581, now seen corresponding path program 1 times [2022-04-18 16:35:31,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673902961] [2022-04-18 16:35:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673902961] [2022-04-18 16:35:31,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673902961] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575080610] [2022-04-18 16:35:31,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,381 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,407 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 243 [2022-04-18 16:35:31,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 220 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 243 [2022-04-18 16:35:31,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:31,632 INFO L129 PetriNetUnfolder]: 372/1033 cut-off events. [2022-04-18 16:35:31,632 INFO L130 PetriNetUnfolder]: For 259/291 co-relation queries the response was YES. [2022-04-18 16:35:31,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1033 events. 372/1033 cut-off events. For 259/291 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5917 event pairs, 239 based on Foata normal form. 108/921 useless extension candidates. Maximal degree in co-relation 1476. Up to 525 conditions per place. [2022-04-18 16:35:31,645 INFO L132 encePairwiseOnDemand]: 221/243 looper letters, 27 selfloop transitions, 2 changer transitions 3/200 dead transitions. [2022-04-18 16:35:31,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 200 transitions, 476 flow [2022-04-18 16:35:31,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 625 transitions. [2022-04-18 16:35:31,657 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8573388203017832 [2022-04-18 16:35:31,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 625 transitions. [2022-04-18 16:35:31,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 625 transitions. [2022-04-18 16:35:31,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:31,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 625 transitions. [2022-04-18 16:35:31,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,671 INFO L186 Difference]: Start difference. First operand has 218 places, 220 transitions, 458 flow. Second operand 3 states and 625 transitions. [2022-04-18 16:35:31,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 200 transitions, 476 flow [2022-04-18 16:35:31,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 464 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:35:31,678 INFO L242 Difference]: Finished difference. Result has 201 places, 197 transitions, 404 flow [2022-04-18 16:35:31,680 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=201, PETRI_TRANSITIONS=197} [2022-04-18 16:35:31,682 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -17 predicate places. [2022-04-18 16:35:31,682 INFO L478 AbstractCegarLoop]: Abstraction has has 201 places, 197 transitions, 404 flow [2022-04-18 16:35:31,683 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,683 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,683 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:31,685 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:35:31,685 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:31,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,686 INFO L85 PathProgramCache]: Analyzing trace with hash 218418343, now seen corresponding path program 1 times [2022-04-18 16:35:31,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462328665] [2022-04-18 16:35:31,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462328665] [2022-04-18 16:35:31,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462328665] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246299079] [2022-04-18 16:35:31,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,740 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,742 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 243 [2022-04-18 16:35:31,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 243 [2022-04-18 16:35:31,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:31,864 INFO L129 PetriNetUnfolder]: 309/1020 cut-off events. [2022-04-18 16:35:31,864 INFO L130 PetriNetUnfolder]: For 31/67 co-relation queries the response was YES. [2022-04-18 16:35:31,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 1020 events. 309/1020 cut-off events. For 31/67 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6049 event pairs, 209 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 1489. Up to 471 conditions per place. [2022-04-18 16:35:31,872 INFO L132 encePairwiseOnDemand]: 240/243 looper letters, 27 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2022-04-18 16:35:31,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 196 transitions, 460 flow [2022-04-18 16:35:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:31,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2022-04-18 16:35:31,874 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.831275720164609 [2022-04-18 16:35:31,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2022-04-18 16:35:31,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2022-04-18 16:35:31,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:31,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2022-04-18 16:35:31,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,878 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,878 INFO L186 Difference]: Start difference. First operand has 201 places, 197 transitions, 404 flow. Second operand 3 states and 606 transitions. [2022-04-18 16:35:31,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 196 transitions, 460 flow [2022-04-18 16:35:31,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 196 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:31,882 INFO L242 Difference]: Finished difference. Result has 197 places, 196 transitions, 402 flow [2022-04-18 16:35:31,890 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=197, PETRI_TRANSITIONS=196} [2022-04-18 16:35:31,891 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -21 predicate places. [2022-04-18 16:35:31,891 INFO L478 AbstractCegarLoop]: Abstraction has has 197 places, 196 transitions, 402 flow [2022-04-18 16:35:31,892 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,892 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,892 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:31,892 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:35:31,892 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:31,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 807577924, now seen corresponding path program 1 times [2022-04-18 16:35:31,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595877540] [2022-04-18 16:35:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595877540] [2022-04-18 16:35:31,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595877540] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639788137] [2022-04-18 16:35:31,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,921 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 243 [2022-04-18 16:35:31,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:31,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 243 [2022-04-18 16:35:31,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,046 INFO L129 PetriNetUnfolder]: 228/845 cut-off events. [2022-04-18 16:35:32,046 INFO L130 PetriNetUnfolder]: For 27/52 co-relation queries the response was YES. [2022-04-18 16:35:32,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 845 events. 228/845 cut-off events. For 27/52 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4734 event pairs, 148 based on Foata normal form. 0/736 useless extension candidates. Maximal degree in co-relation 1175. Up to 343 conditions per place. [2022-04-18 16:35:32,051 INFO L132 encePairwiseOnDemand]: 238/243 looper letters, 21 selfloop transitions, 1 changer transitions 0/192 dead transitions. [2022-04-18 16:35:32,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 192 transitions, 438 flow [2022-04-18 16:35:32,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2022-04-18 16:35:32,053 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8381344307270233 [2022-04-18 16:35:32,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,057 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,057 INFO L186 Difference]: Start difference. First operand has 197 places, 196 transitions, 402 flow. Second operand 3 states and 611 transitions. [2022-04-18 16:35:32,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 192 transitions, 438 flow [2022-04-18 16:35:32,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 192 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,060 INFO L242 Difference]: Finished difference. Result has 193 places, 192 transitions, 392 flow [2022-04-18 16:35:32,060 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=193, PETRI_TRANSITIONS=192} [2022-04-18 16:35:32,061 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -25 predicate places. [2022-04-18 16:35:32,061 INFO L478 AbstractCegarLoop]: Abstraction has has 193 places, 192 transitions, 392 flow [2022-04-18 16:35:32,062 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,062 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,062 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:32,062 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:35:32,062 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:32,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1269231631, now seen corresponding path program 1 times [2022-04-18 16:35:32,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849428113] [2022-04-18 16:35:32,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849428113] [2022-04-18 16:35:32,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849428113] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051491005] [2022-04-18 16:35:32,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,131 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,136 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 243 [2022-04-18 16:35:32,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 192 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 243 [2022-04-18 16:35:32,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,224 INFO L129 PetriNetUnfolder]: 112/572 cut-off events. [2022-04-18 16:35:32,224 INFO L130 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-04-18 16:35:32,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 572 events. 112/572 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2575 event pairs, 56 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 713. Up to 163 conditions per place. [2022-04-18 16:35:32,228 INFO L132 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-04-18 16:35:32,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 191 transitions, 424 flow [2022-04-18 16:35:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2022-04-18 16:35:32,231 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8641975308641975 [2022-04-18 16:35:32,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 630 transitions. [2022-04-18 16:35:32,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 630 transitions. [2022-04-18 16:35:32,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 630 transitions. [2022-04-18 16:35:32,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,237 INFO L186 Difference]: Start difference. First operand has 193 places, 192 transitions, 392 flow. Second operand 3 states and 630 transitions. [2022-04-18 16:35:32,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 191 transitions, 424 flow [2022-04-18 16:35:32,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 191 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:32,243 INFO L242 Difference]: Finished difference. Result has 193 places, 191 transitions, 393 flow [2022-04-18 16:35:32,244 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-04-18 16:35:32,245 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -25 predicate places. [2022-04-18 16:35:32,245 INFO L478 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 393 flow [2022-04-18 16:35:32,246 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,246 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,246 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:32,246 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:35:32,246 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1176289578, now seen corresponding path program 1 times [2022-04-18 16:35:32,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482225009] [2022-04-18 16:35:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482225009] [2022-04-18 16:35:32,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482225009] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:32,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158233882] [2022-04-18 16:35:32,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,403 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:32,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:32,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:32,405 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 243 [2022-04-18 16:35:32,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 393 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 243 [2022-04-18 16:35:32,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,654 INFO L129 PetriNetUnfolder]: 724/1736 cut-off events. [2022-04-18 16:35:32,654 INFO L130 PetriNetUnfolder]: For 1/11 co-relation queries the response was YES. [2022-04-18 16:35:32,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2776 conditions, 1736 events. 724/1736 cut-off events. For 1/11 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10948 event pairs, 464 based on Foata normal form. 0/1550 useless extension candidates. Maximal degree in co-relation 2737. Up to 1017 conditions per place. [2022-04-18 16:35:32,666 INFO L132 encePairwiseOnDemand]: 237/243 looper letters, 41 selfloop transitions, 5 changer transitions 0/190 dead transitions. [2022-04-18 16:35:32,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 190 transitions, 483 flow [2022-04-18 16:35:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1097 transitions. [2022-04-18 16:35:32,668 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.752400548696845 [2022-04-18 16:35:32,668 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1097 transitions. [2022-04-18 16:35:32,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1097 transitions. [2022-04-18 16:35:32,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1097 transitions. [2022-04-18 16:35:32,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,674 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,674 INFO L186 Difference]: Start difference. First operand has 193 places, 191 transitions, 393 flow. Second operand 6 states and 1097 transitions. [2022-04-18 16:35:32,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 190 transitions, 483 flow [2022-04-18 16:35:32,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 190 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,676 INFO L242 Difference]: Finished difference. Result has 195 places, 190 transitions, 397 flow [2022-04-18 16:35:32,677 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2022-04-18 16:35:32,677 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -23 predicate places. [2022-04-18 16:35:32,678 INFO L478 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 397 flow [2022-04-18 16:35:32,678 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,678 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,678 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:32,679 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:35:32,679 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:32,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1043495405, now seen corresponding path program 1 times [2022-04-18 16:35:32,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888107068] [2022-04-18 16:35:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888107068] [2022-04-18 16:35:32,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888107068] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455961966] [2022-04-18 16:35:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,705 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,706 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 243 [2022-04-18 16:35:32,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 243 [2022-04-18 16:35:32,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,800 INFO L129 PetriNetUnfolder]: 266/804 cut-off events. [2022-04-18 16:35:32,801 INFO L130 PetriNetUnfolder]: For 56/78 co-relation queries the response was YES. [2022-04-18 16:35:32,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 804 events. 266/804 cut-off events. For 56/78 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4094 event pairs, 164 based on Foata normal form. 0/710 useless extension candidates. Maximal degree in co-relation 1185. Up to 369 conditions per place. [2022-04-18 16:35:32,806 INFO L132 encePairwiseOnDemand]: 238/243 looper letters, 21 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2022-04-18 16:35:32,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 433 flow [2022-04-18 16:35:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2022-04-18 16:35:32,808 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8381344307270233 [2022-04-18 16:35:32,808 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2022-04-18 16:35:32,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,812 INFO L186 Difference]: Start difference. First operand has 195 places, 190 transitions, 397 flow. Second operand 3 states and 611 transitions. [2022-04-18 16:35:32,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 433 flow [2022-04-18 16:35:32,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 186 transitions, 423 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:35:32,814 INFO L242 Difference]: Finished difference. Result has 188 places, 186 transitions, 381 flow [2022-04-18 16:35:32,815 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=188, PETRI_TRANSITIONS=186} [2022-04-18 16:35:32,817 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -30 predicate places. [2022-04-18 16:35:32,817 INFO L478 AbstractCegarLoop]: Abstraction has has 188 places, 186 transitions, 381 flow [2022-04-18 16:35:32,817 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,817 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,817 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:32,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:35:32,818 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:32,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1510943456, now seen corresponding path program 1 times [2022-04-18 16:35:32,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294147763] [2022-04-18 16:35:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294147763] [2022-04-18 16:35:32,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294147763] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:32,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049001025] [2022-04-18 16:35:32,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,896 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:32,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:32,898 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-04-18 16:35:32,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 186 transitions, 381 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:32,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-04-18 16:35:32,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,182 INFO L129 PetriNetUnfolder]: 724/1639 cut-off events. [2022-04-18 16:35:33,182 INFO L130 PetriNetUnfolder]: For 1/11 co-relation queries the response was YES. [2022-04-18 16:35:33,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2670 conditions, 1639 events. 724/1639 cut-off events. For 1/11 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 9790 event pairs, 96 based on Foata normal form. 4/1538 useless extension candidates. Maximal degree in co-relation 2629. Up to 461 conditions per place. [2022-04-18 16:35:33,192 INFO L132 encePairwiseOnDemand]: 238/243 looper letters, 58 selfloop transitions, 4 changer transitions 0/209 dead transitions. [2022-04-18 16:35:33,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 209 transitions, 551 flow [2022-04-18 16:35:33,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1143 transitions. [2022-04-18 16:35:33,195 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7839506172839507 [2022-04-18 16:35:33,195 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1143 transitions. [2022-04-18 16:35:33,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1143 transitions. [2022-04-18 16:35:33,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1143 transitions. [2022-04-18 16:35:33,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,200 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,200 INFO L186 Difference]: Start difference. First operand has 188 places, 186 transitions, 381 flow. Second operand 6 states and 1143 transitions. [2022-04-18 16:35:33,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 209 transitions, 551 flow [2022-04-18 16:35:33,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 209 transitions, 550 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:33,203 INFO L242 Difference]: Finished difference. Result has 191 places, 185 transitions, 386 flow [2022-04-18 16:35:33,204 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2022-04-18 16:35:33,205 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-04-18 16:35:33,205 INFO L478 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 386 flow [2022-04-18 16:35:33,205 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,207 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,208 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:33,208 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:35:33,208 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:33,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,208 INFO L85 PathProgramCache]: Analyzing trace with hash 712754754, now seen corresponding path program 1 times [2022-04-18 16:35:33,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048593887] [2022-04-18 16:35:33,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048593887] [2022-04-18 16:35:33,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048593887] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:33,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121950197] [2022-04-18 16:35:33,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,304 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:33,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:33,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:33,305 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-04-18 16:35:33,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-04-18 16:35:33,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,579 INFO L129 PetriNetUnfolder]: 646/1593 cut-off events. [2022-04-18 16:35:33,579 INFO L130 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-04-18 16:35:33,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2625 conditions, 1593 events. 646/1593 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9685 event pairs, 338 based on Foata normal form. 0/1482 useless extension candidates. Maximal degree in co-relation 2584. Up to 725 conditions per place. [2022-04-18 16:35:33,590 INFO L132 encePairwiseOnDemand]: 238/243 looper letters, 49 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2022-04-18 16:35:33,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 200 transitions, 522 flow [2022-04-18 16:35:33,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1134 transitions. [2022-04-18 16:35:33,593 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2022-04-18 16:35:33,593 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1134 transitions. [2022-04-18 16:35:33,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1134 transitions. [2022-04-18 16:35:33,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1134 transitions. [2022-04-18 16:35:33,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,598 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,598 INFO L186 Difference]: Start difference. First operand has 191 places, 185 transitions, 386 flow. Second operand 6 states and 1134 transitions. [2022-04-18 16:35:33,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 200 transitions, 522 flow [2022-04-18 16:35:33,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 200 transitions, 515 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:33,601 INFO L242 Difference]: Finished difference. Result has 191 places, 184 transitions, 385 flow [2022-04-18 16:35:33,601 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=191, PETRI_TRANSITIONS=184} [2022-04-18 16:35:33,602 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-04-18 16:35:33,602 INFO L478 AbstractCegarLoop]: Abstraction has has 191 places, 184 transitions, 385 flow [2022-04-18 16:35:33,602 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,603 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,603 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:33,603 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:35:33,603 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:33,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1298282307, now seen corresponding path program 1 times [2022-04-18 16:35:33,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290337645] [2022-04-18 16:35:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290337645] [2022-04-18 16:35:33,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290337645] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:33,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574830383] [2022-04-18 16:35:33,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,708 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:33,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:33,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:33,710 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-04-18 16:35:33,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 184 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-04-18 16:35:33,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,936 INFO L129 PetriNetUnfolder]: 643/1643 cut-off events. [2022-04-18 16:35:33,936 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-04-18 16:35:33,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 1643 events. 643/1643 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10272 event pairs, 400 based on Foata normal form. 0/1514 useless extension candidates. Maximal degree in co-relation 2582. Up to 868 conditions per place. [2022-04-18 16:35:33,947 INFO L132 encePairwiseOnDemand]: 238/243 looper letters, 40 selfloop transitions, 4 changer transitions 0/191 dead transitions. [2022-04-18 16:35:33,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 191 transitions, 487 flow [2022-04-18 16:35:33,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1125 transitions. [2022-04-18 16:35:33,950 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7716049382716049 [2022-04-18 16:35:33,950 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1125 transitions. [2022-04-18 16:35:33,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1125 transitions. [2022-04-18 16:35:33,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1125 transitions. [2022-04-18 16:35:33,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,955 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,955 INFO L186 Difference]: Start difference. First operand has 191 places, 184 transitions, 385 flow. Second operand 6 states and 1125 transitions. [2022-04-18 16:35:33,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 191 transitions, 487 flow [2022-04-18 16:35:33,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 191 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:33,958 INFO L242 Difference]: Finished difference. Result has 191 places, 183 transitions, 384 flow [2022-04-18 16:35:33,958 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=384, PETRI_PLACES=191, PETRI_TRANSITIONS=183} [2022-04-18 16:35:33,958 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-04-18 16:35:33,959 INFO L478 AbstractCegarLoop]: Abstraction has has 191 places, 183 transitions, 384 flow [2022-04-18 16:35:33,959 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:33,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,959 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:33,960 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:35:33,960 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:33,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 648041774, now seen corresponding path program 1 times [2022-04-18 16:35:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795402966] [2022-04-18 16:35:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795402966] [2022-04-18 16:35:33,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795402966] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790073897] [2022-04-18 16:35:34,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:34,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:34,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:34,001 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 243 [2022-04-18 16:35:34,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 183 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 243 [2022-04-18 16:35:34,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,057 INFO L129 PetriNetUnfolder]: 110/498 cut-off events. [2022-04-18 16:35:34,057 INFO L130 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-04-18 16:35:34,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 498 events. 110/498 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1929 event pairs, 38 based on Foata normal form. 1/452 useless extension candidates. Maximal degree in co-relation 658. Up to 110 conditions per place. [2022-04-18 16:35:34,061 INFO L132 encePairwiseOnDemand]: 239/243 looper letters, 17 selfloop transitions, 3 changer transitions 0/188 dead transitions. [2022-04-18 16:35:34,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 436 flow [2022-04-18 16:35:34,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-04-18 16:35:34,062 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8806584362139918 [2022-04-18 16:35:34,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-04-18 16:35:34,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-04-18 16:35:34,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-04-18 16:35:34,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,066 INFO L186 Difference]: Start difference. First operand has 191 places, 183 transitions, 384 flow. Second operand 3 states and 642 transitions. [2022-04-18 16:35:34,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 436 flow [2022-04-18 16:35:34,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 188 transitions, 429 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:34,068 INFO L242 Difference]: Finished difference. Result has 188 places, 182 transitions, 381 flow [2022-04-18 16:35:34,069 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-04-18 16:35:34,070 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -30 predicate places. [2022-04-18 16:35:34,070 INFO L478 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 381 flow [2022-04-18 16:35:34,071 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,071 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,071 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,071 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:35:34,072 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-04-18 16:35:34,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1412596896, now seen corresponding path program 1 times [2022-04-18 16:35:34,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361681641] [2022-04-18 16:35:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:34,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:34,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361681641] [2022-04-18 16:35:34,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361681641] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:34,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:34,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:34,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569319583] [2022-04-18 16:35:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,122 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:34,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:34,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:34,123 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 243 [2022-04-18 16:35:34,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 243 [2022-04-18 16:35:34,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,183 INFO L129 PetriNetUnfolder]: 124/573 cut-off events. [2022-04-18 16:35:34,184 INFO L130 PetriNetUnfolder]: For 70/73 co-relation queries the response was YES. [2022-04-18 16:35:34,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 573 events. 124/573 cut-off events. For 70/73 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2434 event pairs, 22 based on Foata normal form. 1/533 useless extension candidates. Maximal degree in co-relation 786. Up to 93 conditions per place. [2022-04-18 16:35:34,186 INFO L132 encePairwiseOnDemand]: 237/243 looper letters, 0 selfloop transitions, 0 changer transitions 190/190 dead transitions. [2022-04-18 16:35:34,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 190 transitions, 448 flow [2022-04-18 16:35:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 644 transitions. [2022-04-18 16:35:34,188 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8834019204389575 [2022-04-18 16:35:34,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 644 transitions. [2022-04-18 16:35:34,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 644 transitions. [2022-04-18 16:35:34,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 644 transitions. [2022-04-18 16:35:34,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,191 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,191 INFO L186 Difference]: Start difference. First operand has 188 places, 182 transitions, 381 flow. Second operand 3 states and 644 transitions. [2022-04-18 16:35:34,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 190 transitions, 448 flow [2022-04-18 16:35:34,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 190 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:34,193 INFO L242 Difference]: Finished difference. Result has 187 places, 0 transitions, 0 flow [2022-04-18 16:35:34,193 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=187, PETRI_TRANSITIONS=0} [2022-04-18 16:35:34,194 INFO L335 CegarLoopForPetriNet]: 218 programPoint places, -31 predicate places. [2022-04-18 16:35:34,194 INFO L478 AbstractCegarLoop]: Abstraction has has 187 places, 0 transitions, 0 flow [2022-04-18 16:35:34,194 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:34,196 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2022-04-18 16:35:34,197 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2022-04-18 16:35:34,198 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2022-04-18 16:35:34,199 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2022-04-18 16:35:34,200 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2022-04-18 16:35:34,201 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2022-04-18 16:35:34,202 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2022-04-18 16:35:34,203 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2022-04-18 16:35:34,203 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2022-04-18 16:35:34,203 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2022-04-18 16:35:34,203 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:35:34,206 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,208 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:34,208 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:34,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:34 BasicIcfg [2022-04-18 16:35:34,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:34,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:34,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:34,211 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:34,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30" (3/4) ... [2022-04-18 16:35:34,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:34,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:34,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:34,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:34,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-04-18 16:35:34,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:34,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:34,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:34,244 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:34,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:34,244 INFO L158 Benchmark]: Toolchain (without parser) took 4280.84ms. Allocated memory was 96.5MB in the beginning and 201.3MB in the end (delta: 104.9MB). Free memory was 64.3MB in the beginning and 58.4MB in the end (delta: 5.9MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,245 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:34,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.74ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 70.4MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.13ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 67.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,245 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,246 INFO L158 Benchmark]: RCFGBuilder took 646.10ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 64.8MB in the beginning and 83.4MB in the end (delta: -18.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,246 INFO L158 Benchmark]: TraceAbstraction took 3235.64ms. Allocated memory was 127.9MB in the beginning and 201.3MB in the end (delta: 73.4MB). Free memory was 82.9MB in the beginning and 62.6MB in the end (delta: 20.2MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,246 INFO L158 Benchmark]: Witness Printer took 33.07ms. Allocated memory is still 201.3MB. Free memory was 62.6MB in the beginning and 58.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:34,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.74ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 70.4MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.13ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 67.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 65.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.10ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 64.8MB in the beginning and 83.4MB in the end (delta: -18.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3235.64ms. Allocated memory was 127.9MB in the beginning and 201.3MB in the end (delta: 73.4MB). Free memory was 82.9MB in the beginning and 62.6MB in the end (delta: 20.2MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Witness Printer took 33.07ms. Allocated memory is still 201.3MB. Free memory was 62.6MB in the beginning and 58.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 288 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 676 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 125 mSDtfsCounter, 676 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=458occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:34,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE