./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.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 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:35:53,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:35:53,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:35:53,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:35:53,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:35:53,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:35:53,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:35:53,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:35:53,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:35:53,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:35:53,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:35:53,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:35:53,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:35:53,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:35:53,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:35:53,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:35:53,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:35:53,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:35:53,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:35:53,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:35:53,389 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:35:53,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:35:53,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:35:53,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:35:53,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:35:53,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:35:53,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:35:53,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:35:53,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:35:53,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:35:53,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:35:53,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:35:53,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:35:53,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:35:53,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:35:53,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:35:53,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:35:53,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:35:53,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:35:53,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:35:53,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:35:53,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:35:53,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:35:53,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:35:53,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:35:53,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:35:53,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:35:53,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:35:53,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:35:53,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:35:53,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:35:53,430 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:35:53,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:35:53,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:35:53,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:35:53,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:35:53,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:35:53,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:35:53,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:35:53,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:35:53,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:35:53,432 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:35:53,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:35:53,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:35:53,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:35:53,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:35:53,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:35:53,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:35:53,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:35:53,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:53,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:35:53,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:35:53,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 [2022-04-18 16:35:53,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:35:53,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:35:53,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:35:53,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:35:53,645 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:35:53,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2022-04-18 16:35:53,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980e1e5e/adeeca5928514168afbe3ce8a5d1aee3/FLAGbf269fd7e [2022-04-18 16:35:54,033 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:35:54,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2022-04-18 16:35:54,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980e1e5e/adeeca5928514168afbe3ce8a5d1aee3/FLAGbf269fd7e [2022-04-18 16:35:54,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4980e1e5e/adeeca5928514168afbe3ce8a5d1aee3 [2022-04-18 16:35:54,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:35:54,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:35:54,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:54,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:35:54,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:35:54,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41922a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54, skipping insertion in model container [2022-04-18 16:35:54,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:35:54,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:35:54,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-04-18 16:35:54,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:54,641 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:35:54,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-04-18 16:35:54,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:54,673 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:35:54,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54 WrapperNode [2022-04-18 16:35:54,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:54,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:54,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:35:54,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:35:54,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,717 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 151 [2022-04-18 16:35:54,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:54,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:35:54,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:35:54,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:35:54,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:35:54,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:35:54,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:35:54,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:35:54,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (1/1) ... [2022-04-18 16:35:54,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:35:54,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:35:54,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:35:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:35:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:35:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:35:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:35:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:35:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:35:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:35:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:35:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:35:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:35:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:35:54,848 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:35:54,905 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:35:54,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:35:55,289 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:35:55,382 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:35:55,382 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 16:35:55,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:55 BoogieIcfgContainer [2022-04-18 16:35:55,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:35:55,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:35:55,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:35:55,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:35:55,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:35:54" (1/3) ... [2022-04-18 16:35:55,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2856e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:55, skipping insertion in model container [2022-04-18 16:35:55,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:54" (2/3) ... [2022-04-18 16:35:55,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2856e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:55, skipping insertion in model container [2022-04-18 16:35:55,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:55" (3/3) ... [2022-04-18 16:35:55,390 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2022-04-18 16:35:55,394 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:35:55,394 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:35:55,395 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-04-18 16:35:55,395 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:35:55,458 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:35:55,505 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:35:55,511 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:35:55,511 INFO L341 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-04-18 16:35:55,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 246 transitions, 516 flow [2022-04-18 16:35:55,597 INFO L129 PetriNetUnfolder]: 13/243 cut-off events. [2022-04-18 16:35:55,597 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:35:55,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 243 events. 13/243 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 273 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2022-04-18 16:35:55,602 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 246 transitions, 516 flow [2022-04-18 16:35:55,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 221 places, 223 transitions, 464 flow [2022-04-18 16:35:55,610 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2022-04-18 16:35:55,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:55,611 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:55,611 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:55,612 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:55,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:55,616 INFO L85 PathProgramCache]: Analyzing trace with hash 206834976, now seen corresponding path program 1 times [2022-04-18 16:35:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099310969] [2022-04-18 16:35:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:55,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:55,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:55,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099310969] [2022-04-18 16:35:55,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099310969] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:55,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:55,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:55,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526878390] [2022-04-18 16:35:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:55,787 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:55,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:55,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:55,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:55,812 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 246 [2022-04-18 16:35:55,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 223 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:55,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:55,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 246 [2022-04-18 16:35:55,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:56,043 INFO L129 PetriNetUnfolder]: 205/683 cut-off events. [2022-04-18 16:35:56,044 INFO L130 PetriNetUnfolder]: For 206/231 co-relation queries the response was YES. [2022-04-18 16:35:56,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 683 events. 205/683 cut-off events. For 206/231 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3241 event pairs, 114 based on Foata normal form. 75/589 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-04-18 16:35:56,053 INFO L132 encePairwiseOnDemand]: 218/246 looper letters, 24 selfloop transitions, 2 changer transitions 3/197 dead transitions. [2022-04-18 16:35:56,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 197 transitions, 464 flow [2022-04-18 16:35:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 628 transitions. [2022-04-18 16:35:56,069 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8509485094850948 [2022-04-18 16:35:56,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 628 transitions. [2022-04-18 16:35:56,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 628 transitions. [2022-04-18 16:35:56,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:56,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 628 transitions. [2022-04-18 16:35:56,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,090 INFO L186 Difference]: Start difference. First operand has 221 places, 223 transitions, 464 flow. Second operand 3 states and 628 transitions. [2022-04-18 16:35:56,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 197 transitions, 464 flow [2022-04-18 16:35:56,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 197 transitions, 452 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:35:56,101 INFO L242 Difference]: Finished difference. Result has 198 places, 194 transitions, 398 flow [2022-04-18 16:35:56,103 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=198, PETRI_TRANSITIONS=194} [2022-04-18 16:35:56,106 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -23 predicate places. [2022-04-18 16:35:56,106 INFO L478 AbstractCegarLoop]: Abstraction has has 198 places, 194 transitions, 398 flow [2022-04-18 16:35:56,107 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,107 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:56,108 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:56,108 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:35:56,109 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:56,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash -341730284, now seen corresponding path program 1 times [2022-04-18 16:35:56,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:56,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14107348] [2022-04-18 16:35:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:56,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:56,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14107348] [2022-04-18 16:35:56,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14107348] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:56,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:56,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:56,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337508080] [2022-04-18 16:35:56,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:56,187 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:56,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:56,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:56,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:56,189 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 246 [2022-04-18 16:35:56,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:56,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 246 [2022-04-18 16:35:56,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:56,317 INFO L129 PetriNetUnfolder]: 154/656 cut-off events. [2022-04-18 16:35:56,317 INFO L130 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-04-18 16:35:56,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 656 events. 154/656 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3187 event pairs, 90 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 885. Up to 240 conditions per place. [2022-04-18 16:35:56,322 INFO L132 encePairwiseOnDemand]: 243/246 looper letters, 24 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-04-18 16:35:56,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 193 transitions, 448 flow [2022-04-18 16:35:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2022-04-18 16:35:56,325 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8170731707317073 [2022-04-18 16:35:56,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 603 transitions. [2022-04-18 16:35:56,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 603 transitions. [2022-04-18 16:35:56,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:56,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 603 transitions. [2022-04-18 16:35:56,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,329 INFO L186 Difference]: Start difference. First operand has 198 places, 194 transitions, 398 flow. Second operand 3 states and 603 transitions. [2022-04-18 16:35:56,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 193 transitions, 448 flow [2022-04-18 16:35:56,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 193 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:56,337 INFO L242 Difference]: Finished difference. Result has 194 places, 193 transitions, 396 flow [2022-04-18 16:35:56,337 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=194, PETRI_TRANSITIONS=193} [2022-04-18 16:35:56,339 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -27 predicate places. [2022-04-18 16:35:56,339 INFO L478 AbstractCegarLoop]: Abstraction has has 194 places, 193 transitions, 396 flow [2022-04-18 16:35:56,339 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,339 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:56,340 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:56,340 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:35:56,340 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash -875610725, now seen corresponding path program 1 times [2022-04-18 16:35:56,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:56,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171556551] [2022-04-18 16:35:56,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:56,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:56,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:56,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171556551] [2022-04-18 16:35:56,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171556551] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:56,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:56,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:56,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657387865] [2022-04-18 16:35:56,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:56,390 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:56,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:56,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:56,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:56,392 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 246 [2022-04-18 16:35:56,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:56,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 246 [2022-04-18 16:35:56,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:56,488 INFO L129 PetriNetUnfolder]: 108/550 cut-off events. [2022-04-18 16:35:56,488 INFO L130 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-04-18 16:35:56,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 550 events. 108/550 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2404 event pairs, 59 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 693. Up to 164 conditions per place. [2022-04-18 16:35:56,493 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 18 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2022-04-18 16:35:56,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 426 flow [2022-04-18 16:35:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-04-18 16:35:56,496 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8238482384823849 [2022-04-18 16:35:56,496 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-04-18 16:35:56,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-04-18 16:35:56,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:56,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-04-18 16:35:56,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,500 INFO L186 Difference]: Start difference. First operand has 194 places, 193 transitions, 396 flow. Second operand 3 states and 608 transitions. [2022-04-18 16:35:56,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 426 flow [2022-04-18 16:35:56,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 189 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:56,503 INFO L242 Difference]: Finished difference. Result has 190 places, 189 transitions, 386 flow [2022-04-18 16:35:56,504 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=190, PETRI_TRANSITIONS=189} [2022-04-18 16:35:56,505 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -31 predicate places. [2022-04-18 16:35:56,506 INFO L478 AbstractCegarLoop]: Abstraction has has 190 places, 189 transitions, 386 flow [2022-04-18 16:35:56,506 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,506 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:56,507 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:56,507 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:35:56,507 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:56,508 INFO L85 PathProgramCache]: Analyzing trace with hash -304418364, now seen corresponding path program 1 times [2022-04-18 16:35:56,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:56,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323105199] [2022-04-18 16:35:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:56,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:56,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323105199] [2022-04-18 16:35:56,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323105199] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:56,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:56,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:56,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198285896] [2022-04-18 16:35:56,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:56,577 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:56,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:56,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:56,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:56,578 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 246 [2022-04-18 16:35:56,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 189 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:56,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 246 [2022-04-18 16:35:56,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:56,634 INFO L129 PetriNetUnfolder]: 42/350 cut-off events. [2022-04-18 16:35:56,634 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-04-18 16:35:56,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 350 events. 42/350 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 970 event pairs, 15 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 384. Up to 62 conditions per place. [2022-04-18 16:35:56,636 INFO L132 encePairwiseOnDemand]: 243/246 looper letters, 12 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2022-04-18 16:35:56,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 188 transitions, 412 flow [2022-04-18 16:35:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-04-18 16:35:56,638 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8495934959349594 [2022-04-18 16:35:56,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-04-18 16:35:56,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-04-18 16:35:56,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:56,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-04-18 16:35:56,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,642 INFO L186 Difference]: Start difference. First operand has 190 places, 189 transitions, 386 flow. Second operand 3 states and 627 transitions. [2022-04-18 16:35:56,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 188 transitions, 412 flow [2022-04-18 16:35:56,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 188 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:56,645 INFO L242 Difference]: Finished difference. Result has 190 places, 188 transitions, 387 flow [2022-04-18 16:35:56,645 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=190, PETRI_TRANSITIONS=188} [2022-04-18 16:35:56,646 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -31 predicate places. [2022-04-18 16:35:56,646 INFO L478 AbstractCegarLoop]: Abstraction has has 190 places, 188 transitions, 387 flow [2022-04-18 16:35:56,646 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,646 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:56,646 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:56,647 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:35:56,647 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:56,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:56,647 INFO L85 PathProgramCache]: Analyzing trace with hash 351612437, now seen corresponding path program 1 times [2022-04-18 16:35:56,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:56,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351504294] [2022-04-18 16:35:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:56,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:56,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351504294] [2022-04-18 16:35:56,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351504294] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:56,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:56,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:56,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945904266] [2022-04-18 16:35:56,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:56,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:56,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:56,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:56,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:56,747 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 246 [2022-04-18 16:35:56,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 188 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:56,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 246 [2022-04-18 16:35:56,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:56,885 INFO L129 PetriNetUnfolder]: 200/573 cut-off events. [2022-04-18 16:35:56,886 INFO L130 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-04-18 16:35:56,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 573 events. 200/573 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2381 event pairs, 117 based on Foata normal form. 0/502 useless extension candidates. Maximal degree in co-relation 863. Up to 312 conditions per place. [2022-04-18 16:35:56,891 INFO L132 encePairwiseOnDemand]: 240/246 looper letters, 38 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2022-04-18 16:35:56,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 187 transitions, 471 flow [2022-04-18 16:35:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2022-04-18 16:35:56,893 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7411924119241192 [2022-04-18 16:35:56,893 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2022-04-18 16:35:56,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2022-04-18 16:35:56,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:56,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2022-04-18 16:35:56,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,899 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,899 INFO L186 Difference]: Start difference. First operand has 190 places, 188 transitions, 387 flow. Second operand 6 states and 1094 transitions. [2022-04-18 16:35:56,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 187 transitions, 471 flow [2022-04-18 16:35:56,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 187 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:56,902 INFO L242 Difference]: Finished difference. Result has 192 places, 187 transitions, 391 flow [2022-04-18 16:35:56,902 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2022-04-18 16:35:56,903 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -29 predicate places. [2022-04-18 16:35:56,903 INFO L478 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 391 flow [2022-04-18 16:35:56,904 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,904 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:56,904 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:56,904 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:35:56,905 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:56,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1055148403, now seen corresponding path program 1 times [2022-04-18 16:35:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:56,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185597448] [2022-04-18 16:35:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:56,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:56,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185597448] [2022-04-18 16:35:56,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185597448] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:56,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:56,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404738006] [2022-04-18 16:35:56,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:56,934 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:56,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:56,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:56,935 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 246 [2022-04-18 16:35:56,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:56,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:56,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 246 [2022-04-18 16:35:56,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:57,006 INFO L129 PetriNetUnfolder]: 137/528 cut-off events. [2022-04-18 16:35:57,007 INFO L130 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-04-18 16:35:57,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 528 events. 137/528 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2221 event pairs, 71 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 719. Up to 187 conditions per place. [2022-04-18 16:35:57,010 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 18 selfloop transitions, 1 changer transitions 0/183 dead transitions. [2022-04-18 16:35:57,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 183 transitions, 421 flow [2022-04-18 16:35:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-04-18 16:35:57,012 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8238482384823849 [2022-04-18 16:35:57,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-04-18 16:35:57,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-04-18 16:35:57,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:57,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-04-18 16:35:57,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,016 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,016 INFO L186 Difference]: Start difference. First operand has 192 places, 187 transitions, 391 flow. Second operand 3 states and 608 transitions. [2022-04-18 16:35:57,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 183 transitions, 421 flow [2022-04-18 16:35:57,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 183 transitions, 411 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:35:57,019 INFO L242 Difference]: Finished difference. Result has 185 places, 183 transitions, 375 flow [2022-04-18 16:35:57,020 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=185, PETRI_TRANSITIONS=183} [2022-04-18 16:35:57,022 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-04-18 16:35:57,023 INFO L478 AbstractCegarLoop]: Abstraction has has 185 places, 183 transitions, 375 flow [2022-04-18 16:35:57,023 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,023 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:57,023 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:57,023 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:35:57,024 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:57,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:57,024 INFO L85 PathProgramCache]: Analyzing trace with hash 415928035, now seen corresponding path program 1 times [2022-04-18 16:35:57,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:57,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500341109] [2022-04-18 16:35:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:57,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:57,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:57,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500341109] [2022-04-18 16:35:57,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500341109] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:57,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:57,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:57,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929466013] [2022-04-18 16:35:57,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:57,169 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:57,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:57,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:57,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:57,173 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-04-18 16:35:57,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 183 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:57,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-04-18 16:35:57,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:57,445 INFO L129 PetriNetUnfolder]: 242/712 cut-off events. [2022-04-18 16:35:57,445 INFO L130 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-04-18 16:35:57,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 712 events. 242/712 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3182 event pairs, 22 based on Foata normal form. 4/664 useless extension candidates. Maximal degree in co-relation 1033. Up to 184 conditions per place. [2022-04-18 16:35:57,450 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 43 selfloop transitions, 4 changer transitions 0/194 dead transitions. [2022-04-18 16:35:57,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 194 transitions, 491 flow [2022-04-18 16:35:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1128 transitions. [2022-04-18 16:35:57,452 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7642276422764228 [2022-04-18 16:35:57,452 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1128 transitions. [2022-04-18 16:35:57,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1128 transitions. [2022-04-18 16:35:57,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:57,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1128 transitions. [2022-04-18 16:35:57,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,457 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,457 INFO L186 Difference]: Start difference. First operand has 185 places, 183 transitions, 375 flow. Second operand 6 states and 1128 transitions. [2022-04-18 16:35:57,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 194 transitions, 491 flow [2022-04-18 16:35:57,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 194 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:57,460 INFO L242 Difference]: Finished difference. Result has 188 places, 182 transitions, 380 flow [2022-04-18 16:35:57,461 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=380, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-04-18 16:35:57,461 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-04-18 16:35:57,462 INFO L478 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 380 flow [2022-04-18 16:35:57,462 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,462 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:57,463 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:57,463 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:35:57,463 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash 835686395, now seen corresponding path program 1 times [2022-04-18 16:35:57,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:57,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692509677] [2022-04-18 16:35:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:57,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:57,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:57,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692509677] [2022-04-18 16:35:57,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692509677] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:57,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:57,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:57,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072221741] [2022-04-18 16:35:57,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:57,568 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:57,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:57,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:57,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:57,569 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-04-18 16:35:57,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:57,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-04-18 16:35:57,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:57,739 INFO L129 PetriNetUnfolder]: 184/528 cut-off events. [2022-04-18 16:35:57,739 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-04-18 16:35:57,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 528 events. 184/528 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2049 event pairs, 79 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 814. Up to 210 conditions per place. [2022-04-18 16:35:57,743 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 38 selfloop transitions, 4 changer transitions 0/189 dead transitions. [2022-04-18 16:35:57,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 478 flow [2022-04-18 16:35:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1123 transitions. [2022-04-18 16:35:57,746 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.760840108401084 [2022-04-18 16:35:57,746 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1123 transitions. [2022-04-18 16:35:57,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1123 transitions. [2022-04-18 16:35:57,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:57,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1123 transitions. [2022-04-18 16:35:57,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,750 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,750 INFO L186 Difference]: Start difference. First operand has 188 places, 182 transitions, 380 flow. Second operand 6 states and 1123 transitions. [2022-04-18 16:35:57,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 478 flow [2022-04-18 16:35:57,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 189 transitions, 471 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:57,754 INFO L242 Difference]: Finished difference. Result has 188 places, 181 transitions, 379 flow [2022-04-18 16:35:57,754 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=188, PETRI_TRANSITIONS=181} [2022-04-18 16:35:57,755 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-04-18 16:35:57,755 INFO L478 AbstractCegarLoop]: Abstraction has has 188 places, 181 transitions, 379 flow [2022-04-18 16:35:57,755 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,755 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:57,756 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:57,756 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:35:57,756 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:57,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:57,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1361265078, now seen corresponding path program 1 times [2022-04-18 16:35:57,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:57,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067671317] [2022-04-18 16:35:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:57,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:57,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:57,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067671317] [2022-04-18 16:35:57,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067671317] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:57,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:57,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:57,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011223774] [2022-04-18 16:35:57,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:57,854 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:57,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:57,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:57,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:57,855 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-04-18 16:35:57,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 181 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:57,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:57,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-04-18 16:35:57,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:57,994 INFO L129 PetriNetUnfolder]: 185/525 cut-off events. [2022-04-18 16:35:57,995 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 16:35:57,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 525 events. 185/525 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2020 event pairs, 100 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 801. Up to 266 conditions per place. [2022-04-18 16:35:57,999 INFO L132 encePairwiseOnDemand]: 241/246 looper letters, 33 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-04-18 16:35:58,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 184 transitions, 459 flow [2022-04-18 16:35:58,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1118 transitions. [2022-04-18 16:35:58,002 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7574525745257452 [2022-04-18 16:35:58,002 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1118 transitions. [2022-04-18 16:35:58,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1118 transitions. [2022-04-18 16:35:58,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:58,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1118 transitions. [2022-04-18 16:35:58,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,007 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,008 INFO L186 Difference]: Start difference. First operand has 188 places, 181 transitions, 379 flow. Second operand 6 states and 1118 transitions. [2022-04-18 16:35:58,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 184 transitions, 459 flow [2022-04-18 16:35:58,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 184 transitions, 452 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:58,011 INFO L242 Difference]: Finished difference. Result has 188 places, 180 transitions, 378 flow [2022-04-18 16:35:58,011 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2022-04-18 16:35:58,012 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-04-18 16:35:58,012 INFO L478 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 378 flow [2022-04-18 16:35:58,013 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,013 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:58,013 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:58,013 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:35:58,013 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:58,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:58,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1104653991, now seen corresponding path program 1 times [2022-04-18 16:35:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:58,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819710069] [2022-04-18 16:35:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:58,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:58,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:58,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819710069] [2022-04-18 16:35:58,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819710069] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:58,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:58,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:58,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580939341] [2022-04-18 16:35:58,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:58,060 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:58,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:58,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:58,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:58,061 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 246 [2022-04-18 16:35:58,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:58,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 246 [2022-04-18 16:35:58,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:58,106 INFO L129 PetriNetUnfolder]: 42/336 cut-off events. [2022-04-18 16:35:58,106 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-04-18 16:35:58,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 336 events. 42/336 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 886 event pairs, 15 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 391. Up to 59 conditions per place. [2022-04-18 16:35:58,108 INFO L132 encePairwiseOnDemand]: 244/246 looper letters, 10 selfloop transitions, 1 changer transitions 0/179 dead transitions. [2022-04-18 16:35:58,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 179 transitions, 398 flow [2022-04-18 16:35:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-04-18 16:35:58,110 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8577235772357723 [2022-04-18 16:35:58,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-04-18 16:35:58,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-04-18 16:35:58,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:58,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-04-18 16:35:58,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,114 INFO L186 Difference]: Start difference. First operand has 188 places, 180 transitions, 378 flow. Second operand 3 states and 633 transitions. [2022-04-18 16:35:58,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 179 transitions, 398 flow [2022-04-18 16:35:58,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 179 transitions, 391 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:58,116 INFO L242 Difference]: Finished difference. Result has 185 places, 179 transitions, 371 flow [2022-04-18 16:35:58,117 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=185, PETRI_TRANSITIONS=179} [2022-04-18 16:35:58,117 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-04-18 16:35:58,117 INFO L478 AbstractCegarLoop]: Abstraction has has 185 places, 179 transitions, 371 flow [2022-04-18 16:35:58,118 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,118 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:58,118 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:58,118 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:35:58,119 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-04-18 16:35:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:58,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1175952314, now seen corresponding path program 1 times [2022-04-18 16:35:58,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:58,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217729773] [2022-04-18 16:35:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:58,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:58,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217729773] [2022-04-18 16:35:58,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217729773] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:58,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:58,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:58,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465837855] [2022-04-18 16:35:58,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:58,164 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:58,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:58,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:58,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:58,165 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 246 [2022-04-18 16:35:58,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 179 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:58,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 246 [2022-04-18 16:35:58,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:58,208 INFO L129 PetriNetUnfolder]: 42/335 cut-off events. [2022-04-18 16:35:58,209 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-04-18 16:35:58,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 335 events. 42/335 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 886 event pairs, 15 based on Foata normal form. 1/308 useless extension candidates. Maximal degree in co-relation 402. Up to 59 conditions per place. [2022-04-18 16:35:58,210 INFO L132 encePairwiseOnDemand]: 244/246 looper letters, 0 selfloop transitions, 0 changer transitions 178/178 dead transitions. [2022-04-18 16:35:58,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 178 transitions, 389 flow [2022-04-18 16:35:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2022-04-18 16:35:58,213 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8563685636856369 [2022-04-18 16:35:58,213 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2022-04-18 16:35:58,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2022-04-18 16:35:58,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:58,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2022-04-18 16:35:58,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,216 INFO L186 Difference]: Start difference. First operand has 185 places, 179 transitions, 371 flow. Second operand 3 states and 632 transitions. [2022-04-18 16:35:58,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 178 transitions, 389 flow [2022-04-18 16:35:58,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 178 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:58,218 INFO L242 Difference]: Finished difference. Result has 185 places, 0 transitions, 0 flow [2022-04-18 16:35:58,219 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=185, PETRI_TRANSITIONS=0} [2022-04-18 16:35:58,219 INFO L335 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-04-18 16:35:58,219 INFO L478 AbstractCegarLoop]: Abstraction has has 185 places, 0 transitions, 0 flow [2022-04-18 16:35:58,220 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:35:58,222 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-04-18 16:35:58,222 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-04-18 16:35:58,222 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-04-18 16:35:58,223 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-04-18 16:35:58,224 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-04-18 16:35:58,225 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-04-18 16:35:58,226 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-04-18 16:35:58,227 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-04-18 16:35:58,228 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-04-18 16:35:58,229 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-04-18 16:35:58,230 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-04-18 16:35:58,231 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-04-18 16:35:58,231 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-04-18 16:35:58,231 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:35:58,234 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:58,237 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:58,238 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:58,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:58 BasicIcfg [2022-04-18 16:35:58,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:58,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:58,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:58,241 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:58,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:55" (3/4) ... [2022-04-18 16:35:58,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:58,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:58,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:58,247 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:58,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-04-18 16:35:58,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:58,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:58,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:58,276 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:58,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:58,277 INFO L158 Benchmark]: Toolchain (without parser) took 3815.04ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 61.9MB in the beginning and 124.1MB in the end (delta: -62.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,277 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:58,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.92ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 63.2MB in the end (delta: -1.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,277 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,278 INFO L158 Benchmark]: RCFGBuilder took 615.14ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 58.6MB in the beginning and 71.6MB in the end (delta: -13.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,278 INFO L158 Benchmark]: TraceAbstraction took 2855.09ms. Allocated memory was 119.5MB in the beginning and 192.9MB in the end (delta: 73.4MB). Free memory was 71.0MB in the beginning and 127.3MB in the end (delta: -56.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,278 INFO L158 Benchmark]: Witness Printer took 35.32ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 124.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:58,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.92ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 63.2MB in the end (delta: -1.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 58.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 615.14ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 58.6MB in the beginning and 71.6MB in the end (delta: -13.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2855.09ms. Allocated memory was 119.5MB in the beginning and 192.9MB in the end (delta: 73.4MB). Free memory was 71.0MB in the beginning and 127.3MB in the end (delta: -56.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 35.32ms. Allocated memory is still 192.9MB. Free memory was 127.3MB in the beginning and 124.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: 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: 89]: 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: 95]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 294 locations, 60 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: 2.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 470 IncrementalHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 125 mSDtfsCounter, 470 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:58,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE