./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.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/popl20-more-dec-subseq.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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a --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 21:50:01,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:50:01,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:50:01,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:50:01,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:50:01,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:50:01,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:50:01,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:50:01,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:50:01,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:50:01,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:50:01,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:50:01,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:50:01,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:50:01,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:50:01,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:50:01,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:50:01,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:50:01,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:50:01,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:50:01,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:50:01,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:50:01,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:50:01,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:50:01,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:50:01,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:50:01,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:50:01,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:50:01,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:50:01,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:50:01,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:50:01,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:50:01,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:50:01,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:50:01,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:50:01,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:50:01,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:50:01,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:50:01,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:50:01,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:50:01,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:50:01,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:50:01,542 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:50:01,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:50:01,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:50:01,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:50:01,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:50:01,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:50:01,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:50:01,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:50:01,545 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:50:01,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:50:01,545 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:50:01,546 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:50:01,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:50:01,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:01,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:50:01,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:50:01,549 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:50:01,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:50:01,549 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:50:01,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:50:01,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:50:01,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:50:01,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:50:01,788 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:50:01,789 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:50:01,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-08-31 21:50:02,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:50:02,871 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:50:02,872 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-dec-subseq.wvr.c [2023-08-31 21:50:02,877 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d51a679/aaaf272cf1a14c6a9a73d04e86cc6a11/FLAG23f9f8873 [2023-08-31 21:50:02,891 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37d51a679/aaaf272cf1a14c6a9a73d04e86cc6a11 [2023-08-31 21:50:02,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:50:02,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:50:02,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:02,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:50:02,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:50:02,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:02" (1/1) ... [2023-08-31 21:50:02,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8745b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:02, skipping insertion in model container [2023-08-31 21:50:02,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:02" (1/1) ... [2023-08-31 21:50:02,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:50:02,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:50:03,063 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/popl20-more-dec-subseq.wvr.c[2924,2937] [2023-08-31 21:50:03,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:03,085 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:50:03,119 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/popl20-more-dec-subseq.wvr.c[2924,2937] [2023-08-31 21:50:03,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:03,137 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:03,137 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:03,142 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:50:03,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03 WrapperNode [2023-08-31 21:50:03,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:03,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:03,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:50:03,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:50:03,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,205 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 424 [2023-08-31 21:50:03,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:03,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:50:03,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:50:03,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:50:03,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:50:03,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:50:03,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:50:03,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:50:03,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (1/1) ... [2023-08-31 21:50:03,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:03,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:03,337 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 21:50:03,340 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 21:50:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:50:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:50:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:50:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:50:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:50:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:50:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:50:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:50:03,377 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 21:50:03,458 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:50:03,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:50:03,989 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:50:04,224 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:50:04,225 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:50:04,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:04 BoogieIcfgContainer [2023-08-31 21:50:04,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:50:04,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:50:04,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:50:04,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:50:04,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:50:02" (1/3) ... [2023-08-31 21:50:04,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d2f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:04, skipping insertion in model container [2023-08-31 21:50:04,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:03" (2/3) ... [2023-08-31 21:50:04,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d2f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:04, skipping insertion in model container [2023-08-31 21:50:04,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:04" (3/3) ... [2023-08-31 21:50:04,234 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2023-08-31 21:50:04,240 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:50:04,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:50:04,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2023-08-31 21:50:04,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:50:04,346 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:50:04,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 372 transitions, 760 flow [2023-08-31 21:50:04,486 INFO L130 PetriNetUnfolder]: 16/370 cut-off events. [2023-08-31 21:50:04,486 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:50:04,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 370 events. 16/370 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 620 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 278. Up to 2 conditions per place. [2023-08-31 21:50:04,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 372 transitions, 760 flow [2023-08-31 21:50:04,501 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 347 places, 355 transitions, 722 flow [2023-08-31 21:50:04,504 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:50:04,514 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 355 transitions, 722 flow [2023-08-31 21:50:04,517 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 355 transitions, 722 flow [2023-08-31 21:50:04,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 355 transitions, 722 flow [2023-08-31 21:50:04,581 INFO L130 PetriNetUnfolder]: 15/355 cut-off events. [2023-08-31 21:50:04,581 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:50:04,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 355 events. 15/355 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 601 event pairs, 0 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 278. Up to 2 conditions per place. [2023-08-31 21:50:04,589 INFO L119 LiptonReduction]: Number of co-enabled transitions 11388 [2023-08-31 21:50:16,178 INFO L134 LiptonReduction]: Checked pairs total: 59940 [2023-08-31 21:50:16,178 INFO L136 LiptonReduction]: Total number of compositions: 410 [2023-08-31 21:50:16,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:50:16,191 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;@1ac21607, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:50:16,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-08-31 21:50:16,192 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:50:16,192 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:50:16,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:16,193 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:50:16,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:16,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:16,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1755, now seen corresponding path program 1 times [2023-08-31 21:50:16,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:16,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578303141] [2023-08-31 21:50:16,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:16,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:16,327 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 21:50:16,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:16,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578303141] [2023-08-31 21:50:16,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578303141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:16,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:50:16,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352532755] [2023-08-31 21:50:16,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:16,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:50:16,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:16,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:50:16,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:50:16,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 782 [2023-08-31 21:50:16,367 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 118 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 320.5) internal successors, (641), 2 states have internal predecessors, (641), 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 21:50:16,367 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:16,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 782 [2023-08-31 21:50:16,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:16,458 INFO L130 PetriNetUnfolder]: 133/425 cut-off events. [2023-08-31 21:50:16,458 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-31 21:50:16,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 425 events. 133/425 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2153 event pairs, 93 based on Foata normal form. 39/389 useless extension candidates. Maximal degree in co-relation 600. Up to 226 conditions per place. [2023-08-31 21:50:16,461 INFO L137 encePairwiseOnDemand]: 720/782 looper letters, 24 selfloop transitions, 0 changer transitions 1/56 dead transitions. [2023-08-31 21:50:16,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 174 flow [2023-08-31 21:50:16,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:50:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:50:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 727 transitions. [2023-08-31 21:50:16,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4648337595907928 [2023-08-31 21:50:16,471 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 727 transitions. [2023-08-31 21:50:16,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 727 transitions. [2023-08-31 21:50:16,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:16,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 727 transitions. [2023-08-31 21:50:16,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 363.5) internal successors, (727), 2 states have internal predecessors, (727), 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 21:50:16,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 782.0) internal successors, (2346), 3 states have internal predecessors, (2346), 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 21:50:16,515 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 782.0) internal successors, (2346), 3 states have internal predecessors, (2346), 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 21:50:16,516 INFO L175 Difference]: Start difference. First operand has 119 places, 118 transitions, 248 flow. Second operand 2 states and 727 transitions. [2023-08-31 21:50:16,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 174 flow [2023-08-31 21:50:16,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:50:16,520 INFO L231 Difference]: Finished difference. Result has 55 places, 55 transitions, 113 flow [2023-08-31 21:50:16,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=54, 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=2, PETRI_FLOW=113, PETRI_PLACES=55, PETRI_TRANSITIONS=55} [2023-08-31 21:50:16,523 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -64 predicate places. [2023-08-31 21:50:16,523 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 55 transitions, 113 flow [2023-08-31 21:50:16,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 320.5) internal successors, (641), 2 states have internal predecessors, (641), 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 21:50:16,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:16,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:50:16,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:50:16,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:16,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:16,525 INFO L85 PathProgramCache]: Analyzing trace with hash 892915892, now seen corresponding path program 1 times [2023-08-31 21:50:16,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:16,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6986088] [2023-08-31 21:50:16,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:16,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:16,679 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 21:50:16,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:16,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6986088] [2023-08-31 21:50:16,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6986088] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:16,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:16,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:16,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046399448] [2023-08-31 21:50:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:16,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:16,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:16,689 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 782 [2023-08-31 21:50:16,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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 21:50:16,690 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:16,690 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 782 [2023-08-31 21:50:16,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:16,787 INFO L130 PetriNetUnfolder]: 198/503 cut-off events. [2023-08-31 21:50:16,787 INFO L131 PetriNetUnfolder]: For 4/17 co-relation queries the response was YES. [2023-08-31 21:50:16,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 503 events. 198/503 cut-off events. For 4/17 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2274 event pairs, 69 based on Foata normal form. 1/446 useless extension candidates. Maximal degree in co-relation 851. Up to 309 conditions per place. [2023-08-31 21:50:16,789 INFO L137 encePairwiseOnDemand]: 775/782 looper letters, 32 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2023-08-31 21:50:16,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 196 flow [2023-08-31 21:50:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:16,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2023-08-31 21:50:16,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4143222506393862 [2023-08-31 21:50:16,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 972 transitions. [2023-08-31 21:50:16,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 972 transitions. [2023-08-31 21:50:16,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:16,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 972 transitions. [2023-08-31 21:50:16,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:16,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 782.0) internal successors, (3128), 4 states have internal predecessors, (3128), 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 21:50:16,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 782.0) internal successors, (3128), 4 states have internal predecessors, (3128), 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 21:50:16,798 INFO L175 Difference]: Start difference. First operand has 55 places, 55 transitions, 113 flow. Second operand 3 states and 972 transitions. [2023-08-31 21:50:16,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 196 flow [2023-08-31 21:50:16,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 60 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:50:16,800 INFO L231 Difference]: Finished difference. Result has 54 places, 55 transitions, 131 flow [2023-08-31 21:50:16,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=54, PETRI_TRANSITIONS=55} [2023-08-31 21:50:16,800 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2023-08-31 21:50:16,801 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 131 flow [2023-08-31 21:50:16,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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 21:50:16,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:16,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:16,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:50:16,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:16,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:16,802 INFO L85 PathProgramCache]: Analyzing trace with hash -901247241, now seen corresponding path program 1 times [2023-08-31 21:50:16,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:16,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385913908] [2023-08-31 21:50:16,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:16,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:16,858 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 21:50:16,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:16,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385913908] [2023-08-31 21:50:16,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385913908] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:16,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:16,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:16,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900685578] [2023-08-31 21:50:16,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:16,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:16,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:16,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:16,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:16,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 782 [2023-08-31 21:50:16,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 21:50:16,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:16,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 782 [2023-08-31 21:50:16,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:16,939 INFO L130 PetriNetUnfolder]: 163/448 cut-off events. [2023-08-31 21:50:16,939 INFO L131 PetriNetUnfolder]: For 49/109 co-relation queries the response was YES. [2023-08-31 21:50:16,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 448 events. 163/448 cut-off events. For 49/109 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2032 event pairs, 115 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 802. Up to 266 conditions per place. [2023-08-31 21:50:16,941 INFO L137 encePairwiseOnDemand]: 780/782 looper letters, 26 selfloop transitions, 1 changer transitions 0/54 dead transitions. [2023-08-31 21:50:16,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 54 transitions, 183 flow [2023-08-31 21:50:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2023-08-31 21:50:16,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4075021312872975 [2023-08-31 21:50:16,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 956 transitions. [2023-08-31 21:50:16,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 956 transitions. [2023-08-31 21:50:16,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:16,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 956 transitions. [2023-08-31 21:50:16,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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 21:50:16,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 782.0) internal successors, (3128), 4 states have internal predecessors, (3128), 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 21:50:16,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 782.0) internal successors, (3128), 4 states have internal predecessors, (3128), 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 21:50:16,949 INFO L175 Difference]: Start difference. First operand has 54 places, 55 transitions, 131 flow. Second operand 3 states and 956 transitions. [2023-08-31 21:50:16,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 54 transitions, 183 flow [2023-08-31 21:50:16,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 179 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:16,952 INFO L231 Difference]: Finished difference. Result has 54 places, 54 transitions, 127 flow [2023-08-31 21:50:16,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=54, PETRI_TRANSITIONS=54} [2023-08-31 21:50:16,953 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2023-08-31 21:50:16,955 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 127 flow [2023-08-31 21:50:16,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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 21:50:16,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:16,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:16,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:50:16,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:16,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:16,957 INFO L85 PathProgramCache]: Analyzing trace with hash -777815594, now seen corresponding path program 1 times [2023-08-31 21:50:16,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:16,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774323771] [2023-08-31 21:50:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:16,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:17,312 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 21:50:17,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:17,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774323771] [2023-08-31 21:50:17,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774323771] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:17,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:17,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753275848] [2023-08-31 21:50:17,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:17,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:17,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:17,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 782 [2023-08-31 21:50:17,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 127 flow. Second operand has 6 states, 6 states have (on average 304.8333333333333) internal successors, (1829), 6 states have internal predecessors, (1829), 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 21:50:17,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:17,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 782 [2023-08-31 21:50:17,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:17,776 INFO L130 PetriNetUnfolder]: 445/807 cut-off events. [2023-08-31 21:50:17,776 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2023-08-31 21:50:17,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 807 events. 445/807 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3930 event pairs, 37 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 1662. Up to 242 conditions per place. [2023-08-31 21:50:17,779 INFO L137 encePairwiseOnDemand]: 777/782 looper letters, 86 selfloop transitions, 4 changer transitions 0/113 dead transitions. [2023-08-31 21:50:17,779 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 113 transitions, 465 flow [2023-08-31 21:50:17,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1899 transitions. [2023-08-31 21:50:17,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4047314578005115 [2023-08-31 21:50:17,789 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1899 transitions. [2023-08-31 21:50:17,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1899 transitions. [2023-08-31 21:50:17,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:17,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1899 transitions. [2023-08-31 21:50:17,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 316.5) internal successors, (1899), 6 states have internal predecessors, (1899), 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 21:50:17,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:17,799 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:17,799 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 127 flow. Second operand 6 states and 1899 transitions. [2023-08-31 21:50:17,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 113 transitions, 465 flow [2023-08-31 21:50:17,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 113 transitions, 464 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:17,805 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 132 flow [2023-08-31 21:50:17,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=132, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2023-08-31 21:50:17,807 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -62 predicate places. [2023-08-31 21:50:17,807 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 132 flow [2023-08-31 21:50:17,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 304.8333333333333) internal successors, (1829), 6 states have internal predecessors, (1829), 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 21:50:17,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:17,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:17,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:50:17,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:17,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:17,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1683904656, now seen corresponding path program 1 times [2023-08-31 21:50:17,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:17,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912056056] [2023-08-31 21:50:17,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:17,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:17,889 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 21:50:17,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912056056] [2023-08-31 21:50:17,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912056056] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 21:50:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960746809] [2023-08-31 21:50:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:17,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:50:17,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:17,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:50:17,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-31 21:50:17,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 782 [2023-08-31 21:50:17,986 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 308.2) internal successors, (1541), 5 states have internal predecessors, (1541), 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 21:50:17,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:17,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 782 [2023-08-31 21:50:17,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:18,131 INFO L130 PetriNetUnfolder]: 279/832 cut-off events. [2023-08-31 21:50:18,131 INFO L131 PetriNetUnfolder]: For 136/143 co-relation queries the response was YES. [2023-08-31 21:50:18,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1515 conditions, 832 events. 279/832 cut-off events. For 136/143 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4426 event pairs, 78 based on Foata normal form. 1/740 useless extension candidates. Maximal degree in co-relation 1510. Up to 242 conditions per place. [2023-08-31 21:50:18,134 INFO L137 encePairwiseOnDemand]: 776/782 looper letters, 48 selfloop transitions, 5 changer transitions 0/80 dead transitions. [2023-08-31 21:50:18,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 80 transitions, 311 flow [2023-08-31 21:50:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:50:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:50:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1586 transitions. [2023-08-31 21:50:18,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40562659846547316 [2023-08-31 21:50:18,138 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1586 transitions. [2023-08-31 21:50:18,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1586 transitions. [2023-08-31 21:50:18,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:18,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1586 transitions. [2023-08-31 21:50:18,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 317.2) internal successors, (1586), 5 states have internal predecessors, (1586), 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 21:50:18,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 782.0) internal successors, (4692), 6 states have internal predecessors, (4692), 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 21:50:18,146 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 782.0) internal successors, (4692), 6 states have internal predecessors, (4692), 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 21:50:18,146 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 132 flow. Second operand 5 states and 1586 transitions. [2023-08-31 21:50:18,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 80 transitions, 311 flow [2023-08-31 21:50:18,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 80 transitions, 300 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:50:18,148 INFO L231 Difference]: Finished difference. Result has 59 places, 56 transitions, 158 flow [2023-08-31 21:50:18,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=158, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2023-08-31 21:50:18,149 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -60 predicate places. [2023-08-31 21:50:18,149 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 158 flow [2023-08-31 21:50:18,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 308.2) internal successors, (1541), 5 states have internal predecessors, (1541), 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 21:50:18,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:18,149 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 21:50:18,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:50:18,150 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:18,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1179075697, now seen corresponding path program 1 times [2023-08-31 21:50:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:18,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421233012] [2023-08-31 21:50:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:50:18,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:18,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421233012] [2023-08-31 21:50:18,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421233012] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:18,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:18,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:18,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785511443] [2023-08-31 21:50:18,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:18,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:18,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:18,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:18,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:18,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 782 [2023-08-31 21:50:18,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 21:50:18,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:18,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 782 [2023-08-31 21:50:18,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:18,669 INFO L130 PetriNetUnfolder]: 503/1020 cut-off events. [2023-08-31 21:50:18,669 INFO L131 PetriNetUnfolder]: For 171/171 co-relation queries the response was YES. [2023-08-31 21:50:18,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 1020 events. 503/1020 cut-off events. For 171/171 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4307 event pairs, 105 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 2156. Up to 452 conditions per place. [2023-08-31 21:50:18,673 INFO L137 encePairwiseOnDemand]: 775/782 looper letters, 59 selfloop transitions, 6 changer transitions 0/82 dead transitions. [2023-08-31 21:50:18,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 82 transitions, 360 flow [2023-08-31 21:50:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1844 transitions. [2023-08-31 21:50:18,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39300937766410915 [2023-08-31 21:50:18,677 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1844 transitions. [2023-08-31 21:50:18,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1844 transitions. [2023-08-31 21:50:18,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:18,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1844 transitions. [2023-08-31 21:50:18,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.3333333333333) internal successors, (1844), 6 states have internal predecessors, (1844), 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 21:50:18,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:18,686 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:18,686 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 158 flow. Second operand 6 states and 1844 transitions. [2023-08-31 21:50:18,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 82 transitions, 360 flow [2023-08-31 21:50:18,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 82 transitions, 356 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:18,689 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 162 flow [2023-08-31 21:50:18,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2023-08-31 21:50:18,692 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -58 predicate places. [2023-08-31 21:50:18,692 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 162 flow [2023-08-31 21:50:18,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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 21:50:18,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:18,693 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] [2023-08-31 21:50:18,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:50:18,694 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:18,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1929920165, now seen corresponding path program 1 times [2023-08-31 21:50:18,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:18,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850403137] [2023-08-31 21:50:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:18,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:18,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850403137] [2023-08-31 21:50:18,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850403137] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:50:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681624271] [2023-08-31 21:50:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:18,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:50:18,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:18,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:50:18,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-31 21:50:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:18,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-31 21:50:18,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:50:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:19,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:50:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:19,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681624271] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-31 21:50:19,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-31 21:50:19,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 10 [2023-08-31 21:50:19,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821355137] [2023-08-31 21:50:19,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:19,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:50:19,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:50:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-08-31 21:50:19,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 782 [2023-08-31 21:50:19,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 305.2) internal successors, (1526), 5 states have internal predecessors, (1526), 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 21:50:19,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:19,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 782 [2023-08-31 21:50:19,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:19,309 INFO L130 PetriNetUnfolder]: 257/732 cut-off events. [2023-08-31 21:50:19,310 INFO L131 PetriNetUnfolder]: For 139/139 co-relation queries the response was YES. [2023-08-31 21:50:19,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 732 events. 257/732 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3592 event pairs, 78 based on Foata normal form. 7/675 useless extension candidates. Maximal degree in co-relation 1423. Up to 183 conditions per place. [2023-08-31 21:50:19,313 INFO L137 encePairwiseOnDemand]: 776/782 looper letters, 44 selfloop transitions, 6 changer transitions 0/75 dead transitions. [2023-08-31 21:50:19,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 75 transitions, 313 flow [2023-08-31 21:50:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1866 transitions. [2023-08-31 21:50:19,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3976982097186701 [2023-08-31 21:50:19,316 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1866 transitions. [2023-08-31 21:50:19,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1866 transitions. [2023-08-31 21:50:19,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:19,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1866 transitions. [2023-08-31 21:50:19,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 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 21:50:19,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:19,324 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:19,324 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 162 flow. Second operand 6 states and 1866 transitions. [2023-08-31 21:50:19,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 75 transitions, 313 flow [2023-08-31 21:50:19,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 75 transitions, 301 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:50:19,327 INFO L231 Difference]: Finished difference. Result has 61 places, 54 transitions, 165 flow [2023-08-31 21:50:19,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=61, PETRI_TRANSITIONS=54} [2023-08-31 21:50:19,327 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -58 predicate places. [2023-08-31 21:50:19,327 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 54 transitions, 165 flow [2023-08-31 21:50:19,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 305.2) internal successors, (1526), 5 states have internal predecessors, (1526), 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 21:50:19,328 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:19,328 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 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 21:50:19,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-31 21:50:19,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:50:19,533 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-08-31 21:50:19,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:19,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1901550813, now seen corresponding path program 1 times [2023-08-31 21:50:19,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:19,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886727695] [2023-08-31 21:50:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:19,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-31 21:50:19,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:19,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886727695] [2023-08-31 21:50:19,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886727695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:19,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:19,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:19,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898754926] [2023-08-31 21:50:19,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:19,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:19,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:19,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:19,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:19,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 782 [2023-08-31 21:50:19,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 54 transitions, 165 flow. Second operand has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 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 21:50:19,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:19,952 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 782 [2023-08-31 21:50:19,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:20,088 INFO L130 PetriNetUnfolder]: 273/744 cut-off events. [2023-08-31 21:50:20,089 INFO L131 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2023-08-31 21:50:20,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1436 conditions, 744 events. 273/744 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3554 event pairs, 180 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 1429. Up to 420 conditions per place. [2023-08-31 21:50:20,090 INFO L137 encePairwiseOnDemand]: 777/782 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2023-08-31 21:50:20,090 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 69 transitions, 309 flow [2023-08-31 21:50:20,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1863 transitions. [2023-08-31 21:50:20,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39705882352941174 [2023-08-31 21:50:20,094 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1863 transitions. [2023-08-31 21:50:20,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1863 transitions. [2023-08-31 21:50:20,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:20,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1863 transitions. [2023-08-31 21:50:20,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 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 21:50:20,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:20,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 782.0) internal successors, (5474), 7 states have internal predecessors, (5474), 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 21:50:20,107 INFO L175 Difference]: Start difference. First operand has 61 places, 54 transitions, 165 flow. Second operand 6 states and 1863 transitions. [2023-08-31 21:50:20,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 69 transitions, 309 flow [2023-08-31 21:50:20,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 69 transitions, 299 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-08-31 21:50:20,110 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2023-08-31 21:50:20,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=782, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2023-08-31 21:50:20,111 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -57 predicate places. [2023-08-31 21:50:20,112 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2023-08-31 21:50:20,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.1666666666667) internal successors, (1837), 6 states have internal predecessors, (1837), 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 21:50:20,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-08-31 21:50:20,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-08-31 21:50:20,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-08-31 21:50:20,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-08-31 21:50:20,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-08-31 21:50:20,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-08-31 21:50:20,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-08-31 21:50:20,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-08-31 21:50:20,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-08-31 21:50:20,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-08-31 21:50:20,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-08-31 21:50:20,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-08-31 21:50:20,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-08-31 21:50:20,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-08-31 21:50:20,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-08-31 21:50:20,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-08-31 21:50:20,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-08-31 21:50:20,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2023-08-31 21:50:20,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-08-31 21:50:20,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-08-31 21:50:20,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-08-31 21:50:20,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-08-31 21:50:20,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-08-31 21:50:20,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-08-31 21:50:20,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:50:20,140 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:20,144 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:50:20,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:50:20,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:50:20 BasicIcfg [2023-08-31 21:50:20,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:50:20,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:50:20,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:50:20,151 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:50:20,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:04" (3/4) ... [2023-08-31 21:50:20,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:50:20,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:50:20,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:50:20,163 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-08-31 21:50:20,164 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:50:20,164 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:50:20,164 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:50:20,195 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:50:20,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:50:20,195 INFO L158 Benchmark]: Toolchain (without parser) took 17302.09ms. Allocated memory was 77.6MB in the beginning and 207.6MB in the end (delta: 130.0MB). Free memory was 52.7MB in the beginning and 162.1MB in the end (delta: -109.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,196 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:50:20,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.06ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 39.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.34ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 55.4MB in the end (delta: -16.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,196 INFO L158 Benchmark]: Boogie Preprocessor took 59.55ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,196 INFO L158 Benchmark]: RCFGBuilder took 955.76ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 55.5MB in the end (delta: -3.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,197 INFO L158 Benchmark]: TraceAbstraction took 15921.49ms. Allocated memory was 94.4MB in the beginning and 207.6MB in the end (delta: 113.2MB). Free memory was 54.9MB in the beginning and 167.4MB in the end (delta: -112.5MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,197 INFO L158 Benchmark]: Witness Printer took 44.18ms. Allocated memory is still 207.6MB. Free memory was 166.3MB in the beginning and 162.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:20,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.06ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 39.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.34ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 55.4MB in the end (delta: -16.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.55ms. Allocated memory is still 77.6MB. Free memory was 55.4MB in the beginning and 52.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 955.76ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 55.5MB in the end (delta: -3.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15921.49ms. Allocated memory was 94.4MB in the beginning and 207.6MB in the end (delta: 113.2MB). Free memory was 54.9MB in the beginning and 167.4MB in the end (delta: -112.5MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Witness Printer took 44.18ms. Allocated memory is still 207.6MB. Free memory was 166.3MB in the beginning and 162.1MB 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: 11.7s, 347 PlacesBefore, 119 PlacesAfterwards, 355 TransitionsBefore, 118 TransitionsAfterwards, 11388 CoEnabledTransitionPairs, 9 FixpointIterations, 238 TrivialSequentialCompositions, 133 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 8 ConcurrentYvCompositions, 9 ChoiceCompositions, 410 TotalNumberOfCompositions, 59940 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19274, independent: 18228, independent conditional: 0, independent unconditional: 18228, dependent: 1046, dependent conditional: 0, dependent unconditional: 1046, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5687, independent: 5480, independent conditional: 0, independent unconditional: 5480, dependent: 207, dependent conditional: 0, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19274, independent: 12748, independent conditional: 0, independent unconditional: 12748, dependent: 839, dependent conditional: 0, dependent unconditional: 839, unknown: 5687, unknown conditional: 0, unknown unconditional: 5687] , Statistics on independence cache: Total cache size (in pairs): 839, Positive cache size: 757, Positive conditional cache size: 0, Positive unconditional cache size: 757, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 477 locations, 119 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: 15.8s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1122 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 703 mSDsluCounter, 214 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1676 IncrementalHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 48 mSDtfsCounter, 1676 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 589 SizeOfPredicates, 5 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 7/9 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:50:20,218 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