./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.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 d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:44:06,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:44:06,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:44:06,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:44:06,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:44:06,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:44:06,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:44:06,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:44:06,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:44:06,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:44:06,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:44:06,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:44:06,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:44:06,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:44:06,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:44:06,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:44:06,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:44:06,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:44:06,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:44:06,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:44:06,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:44:06,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:44:06,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:44:06,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:44:06,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:44:06,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:44:06,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:44:06,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:44:06,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:44:06,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:44:06,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:44:06,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:44:06,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:44:06,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:44:06,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:44:06,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:44:06,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:44:06,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:44:06,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:44:06,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:44:06,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:44:06,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:44:06,352 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:44:06,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:44:06,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:44:06,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:44:06,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:44:06,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:44:06,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:44:06,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:44:06,356 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:44:06,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:44:06,357 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:44:06,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:44:06,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:44:06,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:44:06,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:44:06,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:44:06,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:44:06,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:44:06,359 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:44:06,359 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:44:06,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:44:06,359 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:44:06,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:44:06,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:44:06,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:44:06,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:44:06,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:44:06,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:44:06,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:44:06,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:44:06,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:44:06,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:44:06,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:44:06,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:44:06,362 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:44:06,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:44:06,363 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:44:06,363 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:44:06,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:44:06,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:44:06,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:44:06,686 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:44:06,687 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:44:06,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-08-31 21:44:07,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:44:07,973 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:44:07,973 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2023-08-31 21:44:07,981 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beebbbe7e/33977e58aaa94d38b0b451dbac844947/FLAGe3e52a167 [2023-08-31 21:44:07,996 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beebbbe7e/33977e58aaa94d38b0b451dbac844947 [2023-08-31 21:44:07,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:44:07,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:44:08,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:44:08,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:44:08,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:44:08,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:44:07" (1/1) ... [2023-08-31 21:44:08,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4177c7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08, skipping insertion in model container [2023-08-31 21:44:08,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:44:07" (1/1) ... [2023-08-31 21:44:08,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:44:08,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:44:08,203 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2023-08-31 21:44:08,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:44:08,232 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:44:08,279 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2023-08-31 21:44:08,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:44:08,310 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:44:08,311 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:44:08,316 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:44:08,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08 WrapperNode [2023-08-31 21:44:08,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:44:08,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:44:08,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:44:08,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:44:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,391 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 431 [2023-08-31 21:44:08,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:44:08,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:44:08,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:44:08,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:44:08,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:44:08,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:44:08,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:44:08,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:44:08,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (1/1) ... [2023-08-31 21:44:08,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:44:08,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:44:08,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:44:08,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:44:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:44:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:44:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:44:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:44:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:44:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:44:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:44:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:44:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:44:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:44:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-31 21:44:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-31 21:44:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:44:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:44:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:44:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:44:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:44:08,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:44:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:44:08,557 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:44:08,694 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:44:08,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:44:09,410 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:44:09,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:44:09,672 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:44:09,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:44:09 BoogieIcfgContainer [2023-08-31 21:44:09,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:44:09,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:44:09,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:44:09,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:44:09,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:44:07" (1/3) ... [2023-08-31 21:44:09,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1f616b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:44:09, skipping insertion in model container [2023-08-31 21:44:09,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:44:08" (2/3) ... [2023-08-31 21:44:09,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1f616b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:44:09, skipping insertion in model container [2023-08-31 21:44:09,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:44:09" (3/3) ... [2023-08-31 21:44:09,682 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2023-08-31 21:44:09,689 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:44:09,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:44:09,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-08-31 21:44:09,699 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:44:09,805 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2023-08-31 21:44:09,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 340 places, 341 transitions, 726 flow [2023-08-31 21:44:09,940 INFO L130 PetriNetUnfolder]: 14/320 cut-off events. [2023-08-31 21:44:09,940 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:44:09,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 320 events. 14/320 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 511 event pairs, 0 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 262. Up to 3 conditions per place. [2023-08-31 21:44:09,947 INFO L82 GeneralOperation]: Start removeDead. Operand has 340 places, 341 transitions, 726 flow [2023-08-31 21:44:09,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 305 transitions, 640 flow [2023-08-31 21:44:09,957 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:44:09,965 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 305 transitions, 640 flow [2023-08-31 21:44:09,967 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 305 transitions, 640 flow [2023-08-31 21:44:09,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 305 transitions, 640 flow [2023-08-31 21:44:10,019 INFO L130 PetriNetUnfolder]: 13/305 cut-off events. [2023-08-31 21:44:10,019 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:44:10,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 305 events. 13/305 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 508 event pairs, 0 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 262. Up to 3 conditions per place. [2023-08-31 21:44:10,027 INFO L119 LiptonReduction]: Number of co-enabled transitions 11400 [2023-08-31 21:44:17,738 INFO L134 LiptonReduction]: Checked pairs total: 62378 [2023-08-31 21:44:17,738 INFO L136 LiptonReduction]: Total number of compositions: 311 [2023-08-31 21:44:17,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:44:17,757 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@210cf580, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:44:17,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2023-08-31 21:44:17,759 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:44:17,759 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:44:17,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:44:17,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:44:17,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-08-31 21:44:17,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:44:17,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2023-08-31 21:44:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:44:17,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192370545] [2023-08-31 21:44:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:44:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:44:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:44:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:44:17,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:44:17,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192370545] [2023-08-31 21:44:17,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192370545] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:44:17,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:44:17,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:44:17,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494537073] [2023-08-31 21:44:17,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:44:17,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:44:17,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:44:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:44:17,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:44:17,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 654 [2023-08-31 21:44:17,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 118 transitions, 266 flow. Second operand has 2 states, 2 states have (on average 266.5) internal successors, (533), 2 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:17,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:44:17,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 654 [2023-08-31 21:44:17,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:44:18,091 INFO L130 PetriNetUnfolder]: 669/1237 cut-off events. [2023-08-31 21:44:18,093 INFO L131 PetriNetUnfolder]: For 181/197 co-relation queries the response was YES. [2023-08-31 21:44:18,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2365 conditions, 1237 events. 669/1237 cut-off events. For 181/197 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5626 event pairs, 452 based on Foata normal form. 1/941 useless extension candidates. Maximal degree in co-relation 2304. Up to 927 conditions per place. [2023-08-31 21:44:18,106 INFO L137 encePairwiseOnDemand]: 597/654 looper letters, 28 selfloop transitions, 0 changer transitions 1/61 dead transitions. [2023-08-31 21:44:18,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 61 transitions, 210 flow [2023-08-31 21:44:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:44:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:44:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 618 transitions. [2023-08-31 21:44:18,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4724770642201835 [2023-08-31 21:44:18,157 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 618 transitions. [2023-08-31 21:44:18,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 618 transitions. [2023-08-31 21:44:18,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:44:18,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 618 transitions. [2023-08-31 21:44:18,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 309.0) internal successors, (618), 2 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:18,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 654.0) internal successors, (1962), 3 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:18,191 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 654.0) internal successors, (1962), 3 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:18,193 INFO L175 Difference]: Start difference. First operand has 125 places, 118 transitions, 266 flow. Second operand 2 states and 618 transitions. [2023-08-31 21:44:18,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 61 transitions, 210 flow [2023-08-31 21:44:18,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 61 transitions, 190 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-31 21:44:18,209 INFO L231 Difference]: Finished difference. Result has 61 places, 60 transitions, 129 flow [2023-08-31 21:44:18,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=654, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=129, PETRI_PLACES=61, PETRI_TRANSITIONS=60} [2023-08-31 21:44:18,224 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -64 predicate places. [2023-08-31 21:44:18,225 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 60 transitions, 129 flow [2023-08-31 21:44:18,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 266.5) internal successors, (533), 2 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:18,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:44:18,226 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:44:18,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:44:18,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-08-31 21:44:18,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:44:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -185697870, now seen corresponding path program 1 times [2023-08-31 21:44:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:44:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835977600] [2023-08-31 21:44:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:44:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:44:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:44:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:44:18,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:44:18,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835977600] [2023-08-31 21:44:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835977600] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:44:18,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:44:18,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:44:18,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190934110] [2023-08-31 21:44:18,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:44:18,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:44:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:44:18,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:44:18,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:44:19,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 654 [2023-08-31 21:44:19,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 254.83333333333334) internal successors, (1529), 6 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:19,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:44:19,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 654 [2023-08-31 21:44:19,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:44:19,737 INFO L130 PetriNetUnfolder]: 2199/3165 cut-off events. [2023-08-31 21:44:19,738 INFO L131 PetriNetUnfolder]: For 92/138 co-relation queries the response was YES. [2023-08-31 21:44:19,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6212 conditions, 3165 events. 2199/3165 cut-off events. For 92/138 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 13395 event pairs, 448 based on Foata normal form. 0/2409 useless extension candidates. Maximal degree in co-relation 6209. Up to 914 conditions per place. [2023-08-31 21:44:19,754 INFO L137 encePairwiseOnDemand]: 649/654 looper letters, 105 selfloop transitions, 4 changer transitions 0/135 dead transitions. [2023-08-31 21:44:19,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 135 transitions, 521 flow [2023-08-31 21:44:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:44:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:44:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions. [2023-08-31 21:44:19,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4148827726809378 [2023-08-31 21:44:19,760 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1628 transitions. [2023-08-31 21:44:19,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1628 transitions. [2023-08-31 21:44:19,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:44:19,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1628 transitions. [2023-08-31 21:44:19,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:19,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:19,773 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:19,773 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 129 flow. Second operand 6 states and 1628 transitions. [2023-08-31 21:44:19,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 135 transitions, 521 flow [2023-08-31 21:44:19,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 135 transitions, 521 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:44:19,776 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 135 flow [2023-08-31 21:44:19,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=654, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=135, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2023-08-31 21:44:19,777 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -61 predicate places. [2023-08-31 21:44:19,778 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 135 flow [2023-08-31 21:44:19,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.83333333333334) internal successors, (1529), 6 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:19,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:44:19,779 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:44:19,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:44:19,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-08-31 21:44:19,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:44:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1296872083, now seen corresponding path program 1 times [2023-08-31 21:44:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:44:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078728164] [2023-08-31 21:44:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:44:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:44:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:44:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:44:20,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:44:20,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078728164] [2023-08-31 21:44:20,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078728164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:44:20,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:44:20,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:44:20,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949893351] [2023-08-31 21:44:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:44:20,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:44:20,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:44:20,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:44:20,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:44:20,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 654 [2023-08-31 21:44:20,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 256.1666666666667) internal successors, (1537), 6 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:20,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:44:20,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 654 [2023-08-31 21:44:20,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:44:20,675 INFO L130 PetriNetUnfolder]: 1884/2784 cut-off events. [2023-08-31 21:44:20,676 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-31 21:44:20,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5441 conditions, 2784 events. 1884/2784 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 10915 event pairs, 400 based on Foata normal form. 0/2192 useless extension candidates. Maximal degree in co-relation 5437. Up to 794 conditions per place. [2023-08-31 21:44:20,691 INFO L137 encePairwiseOnDemand]: 648/654 looper letters, 76 selfloop transitions, 5 changer transitions 0/106 dead transitions. [2023-08-31 21:44:20,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 106 transitions, 395 flow [2023-08-31 21:44:20,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:44:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:44:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1606 transitions. [2023-08-31 21:44:20,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40927624872579 [2023-08-31 21:44:20,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1606 transitions. [2023-08-31 21:44:20,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1606 transitions. [2023-08-31 21:44:20,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:44:20,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1606 transitions. [2023-08-31 21:44:20,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 267.6666666666667) internal successors, (1606), 6 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:20,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:20,709 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:20,709 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 135 flow. Second operand 6 states and 1606 transitions. [2023-08-31 21:44:20,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 106 transitions, 395 flow [2023-08-31 21:44:20,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 106 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:44:20,725 INFO L231 Difference]: Finished difference. Result has 64 places, 58 transitions, 136 flow [2023-08-31 21:44:20,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=654, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=136, PETRI_PLACES=64, PETRI_TRANSITIONS=58} [2023-08-31 21:44:20,726 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -61 predicate places. [2023-08-31 21:44:20,726 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 58 transitions, 136 flow [2023-08-31 21:44:20,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.1666666666667) internal successors, (1537), 6 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:20,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:44:20,728 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:44:20,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:44:20,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-08-31 21:44:20,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:44:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash -2075335740, now seen corresponding path program 1 times [2023-08-31 21:44:20,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:44:20,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260195087] [2023-08-31 21:44:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:44:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:44:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:44:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:44:21,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:44:21,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260195087] [2023-08-31 21:44:21,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260195087] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:44:21,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:44:21,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:44:21,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301180988] [2023-08-31 21:44:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:44:21,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:44:21,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:44:21,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:44:21,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:44:21,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 654 [2023-08-31 21:44:21,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 58 transitions, 136 flow. Second operand has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:21,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:44:21,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 654 [2023-08-31 21:44:21,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:44:21,539 INFO L130 PetriNetUnfolder]: 954/1558 cut-off events. [2023-08-31 21:44:21,539 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2023-08-31 21:44:21,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3086 conditions, 1558 events. 954/1558 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6277 event pairs, 443 based on Foata normal form. 0/1218 useless extension candidates. Maximal degree in co-relation 3082. Up to 899 conditions per place. [2023-08-31 21:44:21,549 INFO L137 encePairwiseOnDemand]: 648/654 looper letters, 64 selfloop transitions, 5 changer transitions 0/93 dead transitions. [2023-08-31 21:44:21,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 93 transitions, 348 flow [2023-08-31 21:44:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:44:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:44:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1594 transitions. [2023-08-31 21:44:21,554 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40621814475025486 [2023-08-31 21:44:21,554 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1594 transitions. [2023-08-31 21:44:21,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1594 transitions. [2023-08-31 21:44:21,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:44:21,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1594 transitions. [2023-08-31 21:44:21,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 265.6666666666667) internal successors, (1594), 6 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:21,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:21,566 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:21,566 INFO L175 Difference]: Start difference. First operand has 64 places, 58 transitions, 136 flow. Second operand 6 states and 1594 transitions. [2023-08-31 21:44:21,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 93 transitions, 348 flow [2023-08-31 21:44:21,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 93 transitions, 338 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:44:21,569 INFO L231 Difference]: Finished difference. Result has 63 places, 57 transitions, 134 flow [2023-08-31 21:44:21,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=654, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=134, PETRI_PLACES=63, PETRI_TRANSITIONS=57} [2023-08-31 21:44:21,570 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -62 predicate places. [2023-08-31 21:44:21,571 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 57 transitions, 134 flow [2023-08-31 21:44:21,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.5) internal successors, (1539), 6 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:21,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:44:21,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:44:21,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:44:21,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-08-31 21:44:21,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:44:21,573 INFO L85 PathProgramCache]: Analyzing trace with hash 721483211, now seen corresponding path program 1 times [2023-08-31 21:44:21,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:44:21,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025728721] [2023-08-31 21:44:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:44:21,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:44:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:44:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:44:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:44:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025728721] [2023-08-31 21:44:21,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025728721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:44:21,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:44:21,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:44:21,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675559761] [2023-08-31 21:44:21,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:44:21,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:44:21,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:44:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:44:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:44:22,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 654 [2023-08-31 21:44:22,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 256.6666666666667) internal successors, (1540), 6 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:22,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:44:22,168 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 654 [2023-08-31 21:44:22,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:44:22,370 INFO L130 PetriNetUnfolder]: 681/1202 cut-off events. [2023-08-31 21:44:22,370 INFO L131 PetriNetUnfolder]: For 40/56 co-relation queries the response was YES. [2023-08-31 21:44:22,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 1202 events. 681/1202 cut-off events. For 40/56 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5163 event pairs, 450 based on Foata normal form. 0/947 useless extension candidates. Maximal degree in co-relation 2266. Up to 920 conditions per place. [2023-08-31 21:44:22,374 INFO L137 encePairwiseOnDemand]: 649/654 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2023-08-31 21:44:22,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 68 transitions, 244 flow [2023-08-31 21:44:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:44:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:44:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1563 transitions. [2023-08-31 21:44:22,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3983180428134557 [2023-08-31 21:44:22,380 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1563 transitions. [2023-08-31 21:44:22,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1563 transitions. [2023-08-31 21:44:22,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:44:22,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1563 transitions. [2023-08-31 21:44:22,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.5) internal successors, (1563), 6 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:22,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:22,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 654.0) internal successors, (4578), 7 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:22,389 INFO L175 Difference]: Start difference. First operand has 63 places, 57 transitions, 134 flow. Second operand 6 states and 1563 transitions. [2023-08-31 21:44:22,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 68 transitions, 244 flow [2023-08-31 21:44:22,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 68 transitions, 234 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:44:22,392 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2023-08-31 21:44:22,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=654, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2023-08-31 21:44:22,394 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -63 predicate places. [2023-08-31 21:44:22,394 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2023-08-31 21:44:22,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 256.6666666666667) internal successors, (1540), 6 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:44:22,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (111 of 112 remaining) [2023-08-31 21:44:22,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (110 of 112 remaining) [2023-08-31 21:44:22,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (109 of 112 remaining) [2023-08-31 21:44:22,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (108 of 112 remaining) [2023-08-31 21:44:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 112 remaining) [2023-08-31 21:44:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 112 remaining) [2023-08-31 21:44:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 112 remaining) [2023-08-31 21:44:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 112 remaining) [2023-08-31 21:44:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (103 of 112 remaining) [2023-08-31 21:44:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (102 of 112 remaining) [2023-08-31 21:44:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (101 of 112 remaining) [2023-08-31 21:44:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (100 of 112 remaining) [2023-08-31 21:44:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (99 of 112 remaining) [2023-08-31 21:44:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (98 of 112 remaining) [2023-08-31 21:44:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (97 of 112 remaining) [2023-08-31 21:44:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 112 remaining) [2023-08-31 21:44:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (95 of 112 remaining) [2023-08-31 21:44:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (94 of 112 remaining) [2023-08-31 21:44:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (93 of 112 remaining) [2023-08-31 21:44:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (92 of 112 remaining) [2023-08-31 21:44:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (91 of 112 remaining) [2023-08-31 21:44:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (90 of 112 remaining) [2023-08-31 21:44:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (89 of 112 remaining) [2023-08-31 21:44:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (88 of 112 remaining) [2023-08-31 21:44:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (87 of 112 remaining) [2023-08-31 21:44:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (86 of 112 remaining) [2023-08-31 21:44:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (85 of 112 remaining) [2023-08-31 21:44:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (84 of 112 remaining) [2023-08-31 21:44:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (83 of 112 remaining) [2023-08-31 21:44:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (82 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (81 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (79 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (78 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (77 of 112 remaining) [2023-08-31 21:44:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 112 remaining) [2023-08-31 21:44:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (75 of 112 remaining) [2023-08-31 21:44:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (74 of 112 remaining) [2023-08-31 21:44:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (73 of 112 remaining) [2023-08-31 21:44:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (72 of 112 remaining) [2023-08-31 21:44:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (71 of 112 remaining) [2023-08-31 21:44:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (70 of 112 remaining) [2023-08-31 21:44:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 112 remaining) [2023-08-31 21:44:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 112 remaining) [2023-08-31 21:44:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (67 of 112 remaining) [2023-08-31 21:44:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 112 remaining) [2023-08-31 21:44:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (65 of 112 remaining) [2023-08-31 21:44:22,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (64 of 112 remaining) [2023-08-31 21:44:22,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 112 remaining) [2023-08-31 21:44:22,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 112 remaining) [2023-08-31 21:44:22,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (61 of 112 remaining) [2023-08-31 21:44:22,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (60 of 112 remaining) [2023-08-31 21:44:22,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (59 of 112 remaining) [2023-08-31 21:44:22,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (58 of 112 remaining) [2023-08-31 21:44:22,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (57 of 112 remaining) [2023-08-31 21:44:22,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (56 of 112 remaining) [2023-08-31 21:44:22,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (55 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (54 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (53 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (52 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (51 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (50 of 112 remaining) [2023-08-31 21:44:22,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (49 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (48 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (47 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 112 remaining) [2023-08-31 21:44:22,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (40 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 112 remaining) [2023-08-31 21:44:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 112 remaining) [2023-08-31 21:44:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (27 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (26 of 112 remaining) [2023-08-31 21:44:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 112 remaining) [2023-08-31 21:44:22,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 112 remaining) [2023-08-31 21:44:22,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (23 of 112 remaining) [2023-08-31 21:44:22,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (22 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (21 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (19 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (18 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (17 of 112 remaining) [2023-08-31 21:44:22,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (16 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (15 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (12 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (11 of 112 remaining) [2023-08-31 21:44:22,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (10 of 112 remaining) [2023-08-31 21:44:22,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (9 of 112 remaining) [2023-08-31 21:44:22,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (8 of 112 remaining) [2023-08-31 21:44:22,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (7 of 112 remaining) [2023-08-31 21:44:22,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 112 remaining) [2023-08-31 21:44:22,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (5 of 112 remaining) [2023-08-31 21:44:22,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (4 of 112 remaining) [2023-08-31 21:44:22,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (3 of 112 remaining) [2023-08-31 21:44:22,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (2 of 112 remaining) [2023-08-31 21:44:22,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (1 of 112 remaining) [2023-08-31 21:44:22,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (0 of 112 remaining) [2023-08-31 21:44:22,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:44:22,430 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-31 21:44:22,436 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:44:22,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:44:22,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:44:22 BasicIcfg [2023-08-31 21:44:22,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:44:22,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:44:22,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:44:22,443 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:44:22,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:44:09" (3/4) ... [2023-08-31 21:44:22,445 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:44:22,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:44:22,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:44:22,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:44:22,451 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-08-31 21:44:22,456 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-31 21:44:22,456 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:44:22,457 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:44:22,457 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:44:22,510 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:44:22,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:44:22,511 INFO L158 Benchmark]: Toolchain (without parser) took 14511.23ms. Allocated memory was 67.1MB in the beginning and 243.3MB in the end (delta: 176.2MB). Free memory was 31.5MB in the beginning and 95.0MB in the end (delta: -63.5MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,512 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:44:22,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.91ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 37.4MB in the end (delta: -6.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.64ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 33.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,512 INFO L158 Benchmark]: Boogie Preprocessor took 64.64ms. Allocated memory is still 67.1MB. Free memory was 33.9MB in the beginning and 31.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,513 INFO L158 Benchmark]: RCFGBuilder took 1212.61ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 39.6MB in the end (delta: -8.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,513 INFO L158 Benchmark]: TraceAbstraction took 12765.91ms. Allocated memory was 81.8MB in the beginning and 243.3MB in the end (delta: 161.5MB). Free memory was 38.8MB in the beginning and 99.2MB in the end (delta: -60.4MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,513 INFO L158 Benchmark]: Witness Printer took 67.89ms. Allocated memory is still 243.3MB. Free memory was 99.2MB in the beginning and 95.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:44:22,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.91ms. Allocated memory is still 67.1MB. Free memory was 31.3MB in the beginning and 37.4MB in the end (delta: -6.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.64ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 33.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.64ms. Allocated memory is still 67.1MB. Free memory was 33.9MB in the beginning and 31.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1212.61ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 39.6MB in the end (delta: -8.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12765.91ms. Allocated memory was 81.8MB in the beginning and 243.3MB in the end (delta: 161.5MB). Free memory was 38.8MB in the beginning and 99.2MB in the end (delta: -60.4MB). Peak memory consumption was 133.0MB. Max. memory is 16.1GB. * Witness Printer took 67.89ms. Allocated memory is still 243.3MB. Free memory was 99.2MB in the beginning and 95.0MB 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 305 PlacesBefore, 125 PlacesAfterwards, 305 TransitionsBefore, 118 TransitionsAfterwards, 11400 CoEnabledTransitionPairs, 10 FixpointIterations, 196 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 0 ConcurrentYvCompositions, 7 ChoiceCompositions, 311 TotalNumberOfCompositions, 62378 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21107, independent: 20250, independent conditional: 0, independent unconditional: 20250, dependent: 857, dependent conditional: 0, dependent unconditional: 857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4250, independent: 4174, independent conditional: 0, independent unconditional: 4174, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21107, independent: 16076, independent conditional: 0, independent unconditional: 16076, dependent: 781, dependent conditional: 0, dependent unconditional: 781, unknown: 4250, unknown conditional: 0, unknown unconditional: 4250] , Statistics on independence cache: Total cache size (in pairs): 859, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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 9 procedures, 431 locations, 112 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 619 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1707 IncrementalHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 316 mSolverCounterUnsat, 41 mSDtfsCounter, 1707 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 61 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:44:22,543 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