./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:21:31,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:21:31,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:21:31,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:21:31,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:21:31,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:21:31,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:21:31,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:21:31,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:21:31,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:21:31,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:21:31,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:21:31,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:21:31,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:21:31,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:21:31,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:21:31,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:21:31,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:21:31,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:21:31,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:21:31,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:21:31,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:21:31,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:21:31,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:21:31,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:21:31,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:21:31,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:21:31,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:21:31,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:21:31,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:21:31,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:21:31,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:21:31,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:21:31,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:21:31,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:21:31,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:21:31,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:21:31,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:21:31,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:21:31,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:21:31,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:21:31,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:21:31,670 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:21:31,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:21:31,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:21:31,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:21:31,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:21:31,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:21:31,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:21:31,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:21:31,674 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:21:31,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:21:31,675 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:21:31,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:21:31,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:21:31,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:21:31,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:21:31,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:21:31,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:21:31,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:21:31,677 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:21:31,677 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:21:31,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:21:31,677 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:21:31,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:21:31,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:21:31,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:21:31,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:21:31,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:31,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:21:31,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:21:31,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:21:31,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:21:31,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:21:31,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:21:31,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:21:31,680 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:21:31,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:21:31,680 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:21:31,680 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:21:32,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:21:32,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:21:32,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:21:32,024 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:21:32,025 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:21:32,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-08-29 03:21:33,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:21:33,352 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:21:33,353 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-08-29 03:21:33,363 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c2eb777/184e751cb7b043b29725a06495da9ec5/FLAG584f480f4 [2023-08-29 03:21:33,374 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c2eb777/184e751cb7b043b29725a06495da9ec5 [2023-08-29 03:21:33,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:21:33,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:21:33,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:33,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:21:33,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:21:33,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c5d3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33, skipping insertion in model container [2023-08-29 03:21:33,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:21:33,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:21:33,632 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2023-08-29 03:21:33,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:33,658 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:21:33,722 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2023-08-29 03:21:33,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:33,756 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:21:33,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33 WrapperNode [2023-08-29 03:21:33,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:33,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:33,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:21:33,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:21:33,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,841 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 510 [2023-08-29 03:21:33,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:33,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:21:33,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:21:33,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:21:33,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:21:33,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:21:33,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:21:33,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:21:33,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (1/1) ... [2023-08-29 03:21:33,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:33,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:21:34,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:21:34,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:21:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:21:34,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:21:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:21:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:21:34,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:21:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:21:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:21:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:21:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:21:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:21:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:21:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:21:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:21:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:21:34,035 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:21:34,209 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:21:34,217 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:21:35,035 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:21:35,069 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:21:35,070 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 03:21:35,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:35 BoogieIcfgContainer [2023-08-29 03:21:35,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:21:35,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:21:35,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:21:35,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:21:35,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:21:33" (1/3) ... [2023-08-29 03:21:35,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b45ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:35, skipping insertion in model container [2023-08-29 03:21:35,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:33" (2/3) ... [2023-08-29 03:21:35,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b45ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:35, skipping insertion in model container [2023-08-29 03:21:35,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:35" (3/3) ... [2023-08-29 03:21:35,085 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2023-08-29 03:21:35,092 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:21:35,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:21:35,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-08-29 03:21:35,101 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:21:35,278 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:21:35,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 608 transitions, 1240 flow [2023-08-29 03:21:35,579 INFO L130 PetriNetUnfolder]: 33/605 cut-off events. [2023-08-29 03:21:35,579 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:21:35,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 605 events. 33/605 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1453 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-29 03:21:35,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 585 places, 608 transitions, 1240 flow [2023-08-29 03:21:35,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 563 places, 584 transitions, 1186 flow [2023-08-29 03:21:35,613 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:21:35,626 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 563 places, 584 transitions, 1186 flow [2023-08-29 03:21:35,629 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 563 places, 584 transitions, 1186 flow [2023-08-29 03:21:35,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 563 places, 584 transitions, 1186 flow [2023-08-29 03:21:35,752 INFO L130 PetriNetUnfolder]: 31/584 cut-off events. [2023-08-29 03:21:35,753 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:21:35,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 584 events. 31/584 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1434 event pairs, 0 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-29 03:21:35,794 INFO L119 LiptonReduction]: Number of co-enabled transitions 85536 [2023-08-29 03:21:47,428 INFO L134 LiptonReduction]: Checked pairs total: 534753 [2023-08-29 03:21:47,429 INFO L136 LiptonReduction]: Total number of compositions: 495 [2023-08-29 03:21:47,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:21:47,447 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c073a7b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:21:47,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-08-29 03:21:47,449 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:21:47,449 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:21:47,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:47,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:21:47,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:21:47,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:47,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2196, now seen corresponding path program 1 times [2023-08-29 03:21:47,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:47,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756283447] [2023-08-29 03:21:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:47,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:47,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:47,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756283447] [2023-08-29 03:21:47,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756283447] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:47,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:47,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:21:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476736557] [2023-08-29 03:21:47,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:47,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:21:47,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:21:47,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:21:47,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 1103 [2023-08-29 03:21:47,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 582.5) internal successors, (1165), 2 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:47,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:47,579 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 1103 [2023-08-29 03:21:47,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:50,678 INFO L130 PetriNetUnfolder]: 8052/29020 cut-off events. [2023-08-29 03:21:50,678 INFO L131 PetriNetUnfolder]: For 624/741 co-relation queries the response was YES. [2023-08-29 03:21:50,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40133 conditions, 29020 events. 8052/29020 cut-off events. For 624/741 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 355681 event pairs, 5793 based on Foata normal form. 2152/25480 useless extension candidates. Maximal degree in co-relation 36687. Up to 10786 conditions per place. [2023-08-29 03:21:50,960 INFO L137 encePairwiseOnDemand]: 1078/1103 looper letters, 55 selfloop transitions, 0 changer transitions 1/195 dead transitions. [2023-08-29 03:21:50,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 195 transitions, 520 flow [2023-08-29 03:21:50,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:21:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:21:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1245 transitions. [2023-08-29 03:21:50,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5643699002719855 [2023-08-29 03:21:50,981 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1245 transitions. [2023-08-29 03:21:50,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1245 transitions. [2023-08-29 03:21:50,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:50,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1245 transitions. [2023-08-29 03:21:50,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 622.5) internal successors, (1245), 2 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1103.0) internal successors, (3309), 3 states have internal predecessors, (3309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,005 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1103.0) internal successors, (3309), 3 states have internal predecessors, (3309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,007 INFO L175 Difference]: Start difference. First operand has 214 places, 220 transitions, 458 flow. Second operand 2 states and 1245 transitions. [2023-08-29 03:21:51,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 195 transitions, 520 flow [2023-08-29 03:21:51,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 508 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:21:51,026 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 393 flow [2023-08-29 03:21:51,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=393, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2023-08-29 03:21:51,035 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -26 predicate places. [2023-08-29 03:21:51,036 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 393 flow [2023-08-29 03:21:51,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 582.5) internal successors, (1165), 2 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:51,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:51,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:21:51,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:21:51,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:51,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1066737720, now seen corresponding path program 1 times [2023-08-29 03:21:51,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:51,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441726024] [2023-08-29 03:21:51,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:51,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:51,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441726024] [2023-08-29 03:21:51,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441726024] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:51,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849456388] [2023-08-29 03:21:51,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:51,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:51,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:51,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-29 03:21:51,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 568.3333333333334) internal successors, (1705), 3 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:51,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-29 03:21:51,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:54,004 INFO L130 PetriNetUnfolder]: 10814/35892 cut-off events. [2023-08-29 03:21:54,004 INFO L131 PetriNetUnfolder]: For 155/372 co-relation queries the response was YES. [2023-08-29 03:21:54,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50532 conditions, 35892 events. 10814/35892 cut-off events. For 155/372 co-relation queries the response was YES. Maximal size of possible extension queue 916. Compared 439265 event pairs, 8015 based on Foata normal form. 0/29299 useless extension candidates. Maximal degree in co-relation 50529. Up to 14526 conditions per place. [2023-08-29 03:21:54,399 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 58 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2023-08-29 03:21:54,399 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 190 transitions, 503 flow [2023-08-29 03:21:54,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:54,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1761 transitions. [2023-08-29 03:21:54,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5321849501359928 [2023-08-29 03:21:54,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1761 transitions. [2023-08-29 03:21:54,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1761 transitions. [2023-08-29 03:21:54,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:54,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1761 transitions. [2023-08-29 03:21:54,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 587.0) internal successors, (1761), 3 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,418 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 393 flow. Second operand 3 states and 1761 transitions. [2023-08-29 03:21:54,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 190 transitions, 503 flow [2023-08-29 03:21:54,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:54,426 INFO L231 Difference]: Finished difference. Result has 185 places, 190 transitions, 387 flow [2023-08-29 03:21:54,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=185, PETRI_TRANSITIONS=190} [2023-08-29 03:21:54,428 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -29 predicate places. [2023-08-29 03:21:54,428 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 190 transitions, 387 flow [2023-08-29 03:21:54,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 568.3333333333334) internal successors, (1705), 3 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:54,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:54,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:21:54,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:21:54,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1370169714, now seen corresponding path program 1 times [2023-08-29 03:21:54,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:54,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232472858] [2023-08-29 03:21:54,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:54,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:54,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:54,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232472858] [2023-08-29 03:21:54,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232472858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:54,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:54,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:54,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923774179] [2023-08-29 03:21:54,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:54,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:54,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:54,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:54,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:54,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-29 03:21:54,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 190 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:54,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-29 03:21:54,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:57,325 INFO L130 PetriNetUnfolder]: 12514/41275 cut-off events. [2023-08-29 03:21:57,325 INFO L131 PetriNetUnfolder]: For 182/407 co-relation queries the response was YES. [2023-08-29 03:21:57,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58288 conditions, 41275 events. 12514/41275 cut-off events. For 182/407 co-relation queries the response was YES. Maximal size of possible extension queue 993. Compared 513429 event pairs, 9481 based on Foata normal form. 0/33406 useless extension candidates. Maximal degree in co-relation 58284. Up to 16862 conditions per place. [2023-08-29 03:21:57,684 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 59 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2023-08-29 03:21:57,684 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 186 transitions, 499 flow [2023-08-29 03:21:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1762 transitions. [2023-08-29 03:21:57,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5324871562405561 [2023-08-29 03:21:57,690 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1762 transitions. [2023-08-29 03:21:57,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1762 transitions. [2023-08-29 03:21:57,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:57,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1762 transitions. [2023-08-29 03:21:57,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,704 INFO L175 Difference]: Start difference. First operand has 185 places, 190 transitions, 387 flow. Second operand 3 states and 1762 transitions. [2023-08-29 03:21:57,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 186 transitions, 499 flow [2023-08-29 03:21:57,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 186 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:57,708 INFO L231 Difference]: Finished difference. Result has 182 places, 186 transitions, 380 flow [2023-08-29 03:21:57,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=182, PETRI_TRANSITIONS=186} [2023-08-29 03:21:57,710 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -32 predicate places. [2023-08-29 03:21:57,712 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 186 transitions, 380 flow [2023-08-29 03:21:57,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,714 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:57,714 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:57,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:21:57,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:21:57,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1821816876, now seen corresponding path program 1 times [2023-08-29 03:21:57,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:57,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510213488] [2023-08-29 03:21:57,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:57,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:57,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510213488] [2023-08-29 03:21:57,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510213488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:57,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:57,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:57,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328206056] [2023-08-29 03:21:57,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:57,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:57,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:57,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:57,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:57,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-29 03:21:57,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 186 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,829 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:57,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-29 03:21:57,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:59,668 INFO L130 PetriNetUnfolder]: 9446/32018 cut-off events. [2023-08-29 03:21:59,668 INFO L131 PetriNetUnfolder]: For 159/229 co-relation queries the response was YES. [2023-08-29 03:21:59,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44802 conditions, 32018 events. 9446/32018 cut-off events. For 159/229 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 390206 event pairs, 6917 based on Foata normal form. 0/25989 useless extension candidates. Maximal degree in co-relation 44798. Up to 12674 conditions per place. [2023-08-29 03:21:59,948 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 56 selfloop transitions, 1 changer transitions 0/182 dead transitions. [2023-08-29 03:21:59,949 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 182 transitions, 486 flow [2023-08-29 03:21:59,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1759 transitions. [2023-08-29 03:21:59,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315805379268661 [2023-08-29 03:21:59,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1759 transitions. [2023-08-29 03:21:59,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1759 transitions. [2023-08-29 03:21:59,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:59,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1759 transitions. [2023-08-29 03:21:59,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 586.3333333333334) internal successors, (1759), 3 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,966 INFO L175 Difference]: Start difference. First operand has 182 places, 186 transitions, 380 flow. Second operand 3 states and 1759 transitions. [2023-08-29 03:21:59,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 182 transitions, 486 flow [2023-08-29 03:21:59,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 182 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:59,970 INFO L231 Difference]: Finished difference. Result has 179 places, 182 transitions, 373 flow [2023-08-29 03:21:59,970 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=179, PETRI_TRANSITIONS=182} [2023-08-29 03:21:59,971 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -35 predicate places. [2023-08-29 03:21:59,971 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 182 transitions, 373 flow [2023-08-29 03:21:59,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:59,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:21:59,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:21:59,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -569875197, now seen corresponding path program 1 times [2023-08-29 03:21:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775382093] [2023-08-29 03:21:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775382093] [2023-08-29 03:22:00,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775382093] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:00,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:22:00,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560003925] [2023-08-29 03:22:00,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:00,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:00,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:00,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-29 03:22:00,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 182 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:00,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-29 03:22:00,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:01,838 INFO L130 PetriNetUnfolder]: 8816/30160 cut-off events. [2023-08-29 03:22:01,839 INFO L131 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2023-08-29 03:22:01,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42088 conditions, 30160 events. 8816/30160 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 364436 event pairs, 5793 based on Foata normal form. 0/24337 useless extension candidates. Maximal degree in co-relation 42084. Up to 10785 conditions per place. [2023-08-29 03:22:02,072 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 86 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-08-29 03:22:02,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 215 transitions, 617 flow [2023-08-29 03:22:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1811 transitions. [2023-08-29 03:22:02,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5472952553641584 [2023-08-29 03:22:02,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1811 transitions. [2023-08-29 03:22:02,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1811 transitions. [2023-08-29 03:22:02,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:02,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1811 transitions. [2023-08-29 03:22:02,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.6666666666666) internal successors, (1811), 3 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,095 INFO L175 Difference]: Start difference. First operand has 179 places, 182 transitions, 373 flow. Second operand 3 states and 1811 transitions. [2023-08-29 03:22:02,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 215 transitions, 617 flow [2023-08-29 03:22:02,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 215 transitions, 616 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:22:02,099 INFO L231 Difference]: Finished difference. Result has 181 places, 183 transitions, 384 flow [2023-08-29 03:22:02,100 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=181, PETRI_TRANSITIONS=183} [2023-08-29 03:22:02,100 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-08-29 03:22:02,101 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 183 transitions, 384 flow [2023-08-29 03:22:02,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:02,102 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:02,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:22:02,102 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:02,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:02,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1328973341, now seen corresponding path program 1 times [2023-08-29 03:22:02,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:02,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157802206] [2023-08-29 03:22:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:02,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:02,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:02,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157802206] [2023-08-29 03:22:02,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157802206] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:02,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:02,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:02,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737335852] [2023-08-29 03:22:02,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:02,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:02,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:02,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:02,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:02,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-29 03:22:02,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 183 transitions, 384 flow. Second operand has 6 states, 6 states have (on average 563.3333333333334) internal successors, (3380), 6 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:02,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-29 03:22:02,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:05,879 INFO L130 PetriNetUnfolder]: 26784/44908 cut-off events. [2023-08-29 03:22:05,879 INFO L131 PetriNetUnfolder]: For 3890/3890 co-relation queries the response was YES. [2023-08-29 03:22:06,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83725 conditions, 44908 events. 26784/44908 cut-off events. For 3890/3890 co-relation queries the response was YES. Maximal size of possible extension queue 1247. Compared 374976 event pairs, 2505 based on Foata normal form. 0/36589 useless extension candidates. Maximal degree in co-relation 83720. Up to 12412 conditions per place. [2023-08-29 03:22:06,251 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 212 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2023-08-29 03:22:06,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 338 transitions, 1166 flow [2023-08-29 03:22:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3578 transitions. [2023-08-29 03:22:06,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5406467210637654 [2023-08-29 03:22:06,259 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3578 transitions. [2023-08-29 03:22:06,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3578 transitions. [2023-08-29 03:22:06,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:06,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3578 transitions. [2023-08-29 03:22:06,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 596.3333333333334) internal successors, (3578), 6 states have internal predecessors, (3578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:06,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:06,290 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:06,290 INFO L175 Difference]: Start difference. First operand has 181 places, 183 transitions, 384 flow. Second operand 6 states and 3578 transitions. [2023-08-29 03:22:06,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 338 transitions, 1166 flow [2023-08-29 03:22:06,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 338 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:22:06,300 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 388 flow [2023-08-29 03:22:06,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=179, 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=388, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2023-08-29 03:22:06,303 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -30 predicate places. [2023-08-29 03:22:06,303 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 388 flow [2023-08-29 03:22:06,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.3333333333334) internal successors, (3380), 6 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:06,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:06,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:22:06,305 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:06,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash -853126434, now seen corresponding path program 1 times [2023-08-29 03:22:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:06,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177699911] [2023-08-29 03:22:06,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:06,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177699911] [2023-08-29 03:22:06,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177699911] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:06,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:06,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:22:06,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962731191] [2023-08-29 03:22:06,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:06,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:06,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:06,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:06,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-29 03:22:06,353 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:06,353 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:06,353 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-29 03:22:06,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:08,525 INFO L130 PetriNetUnfolder]: 9716/34218 cut-off events. [2023-08-29 03:22:08,525 INFO L131 PetriNetUnfolder]: For 2426/2495 co-relation queries the response was YES. [2023-08-29 03:22:08,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50443 conditions, 34218 events. 9716/34218 cut-off events. For 2426/2495 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 424815 event pairs, 6413 based on Foata normal form. 0/28251 useless extension candidates. Maximal degree in co-relation 50438. Up to 11821 conditions per place. [2023-08-29 03:22:08,751 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 88 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-08-29 03:22:08,752 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 216 transitions, 648 flow [2023-08-29 03:22:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1811 transitions. [2023-08-29 03:22:08,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5472952553641584 [2023-08-29 03:22:08,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1811 transitions. [2023-08-29 03:22:08,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1811 transitions. [2023-08-29 03:22:08,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:08,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1811 transitions. [2023-08-29 03:22:08,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.6666666666666) internal successors, (1811), 3 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:08,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:08,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:08,766 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 388 flow. Second operand 3 states and 1811 transitions. [2023-08-29 03:22:08,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 216 transitions, 648 flow [2023-08-29 03:22:08,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 216 transitions, 639 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:22:08,791 INFO L231 Difference]: Finished difference. Result has 183 places, 183 transitions, 393 flow [2023-08-29 03:22:08,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=183, PETRI_TRANSITIONS=183} [2023-08-29 03:22:08,792 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -31 predicate places. [2023-08-29 03:22:08,792 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 183 transitions, 393 flow [2023-08-29 03:22:08,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:08,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:08,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:08,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:22:08,794 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:08,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:08,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2090295781, now seen corresponding path program 1 times [2023-08-29 03:22:08,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:08,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329602304] [2023-08-29 03:22:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:08,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:08,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329602304] [2023-08-29 03:22:08,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329602304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:08,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:08,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:08,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505741464] [2023-08-29 03:22:08,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:08,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:08,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:08,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:08,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-29 03:22:08,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 183 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:08,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:08,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-29 03:22:08,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:11,852 INFO L130 PetriNetUnfolder]: 16908/41928 cut-off events. [2023-08-29 03:22:11,853 INFO L131 PetriNetUnfolder]: For 4487/4563 co-relation queries the response was YES. [2023-08-29 03:22:12,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70065 conditions, 41928 events. 16908/41928 cut-off events. For 4487/4563 co-relation queries the response was YES. Maximal size of possible extension queue 1036. Compared 466977 event pairs, 3389 based on Foata normal form. 0/35656 useless extension candidates. Maximal degree in co-relation 70059. Up to 18208 conditions per place. [2023-08-29 03:22:12,203 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 97 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-08-29 03:22:12,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 216 transitions, 679 flow [2023-08-29 03:22:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2023-08-29 03:22:12,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5457842248413418 [2023-08-29 03:22:12,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1806 transitions. [2023-08-29 03:22:12,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1806 transitions. [2023-08-29 03:22:12,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:12,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1806 transitions. [2023-08-29 03:22:12,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:12,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:12,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:12,219 INFO L175 Difference]: Start difference. First operand has 183 places, 183 transitions, 393 flow. Second operand 3 states and 1806 transitions. [2023-08-29 03:22:12,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 216 transitions, 679 flow [2023-08-29 03:22:12,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 216 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:22:12,237 INFO L231 Difference]: Finished difference. Result has 181 places, 181 transitions, 399 flow [2023-08-29 03:22:12,237 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=181, PETRI_TRANSITIONS=181} [2023-08-29 03:22:12,238 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-08-29 03:22:12,238 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 181 transitions, 399 flow [2023-08-29 03:22:12,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:12,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:12,239 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:12,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:22:12,239 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:12,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:12,240 INFO L85 PathProgramCache]: Analyzing trace with hash 92943666, now seen corresponding path program 1 times [2023-08-29 03:22:12,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:12,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850248024] [2023-08-29 03:22:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:12,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:12,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:12,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850248024] [2023-08-29 03:22:12,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850248024] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:12,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:12,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:12,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002814059] [2023-08-29 03:22:12,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:12,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:12,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:12,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:12,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-29 03:22:12,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 181 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:12,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:12,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-29 03:22:12,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:16,643 INFO L130 PetriNetUnfolder]: 25441/63742 cut-off events. [2023-08-29 03:22:16,644 INFO L131 PetriNetUnfolder]: For 7034/7108 co-relation queries the response was YES. [2023-08-29 03:22:16,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107557 conditions, 63742 events. 25441/63742 cut-off events. For 7034/7108 co-relation queries the response was YES. Maximal size of possible extension queue 1450. Compared 748019 event pairs, 5956 based on Foata normal form. 0/56958 useless extension candidates. Maximal degree in co-relation 107551. Up to 25504 conditions per place. [2023-08-29 03:22:17,174 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 107 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-08-29 03:22:17,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 221 transitions, 729 flow [2023-08-29 03:22:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1812 transitions. [2023-08-29 03:22:17,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5475974614687217 [2023-08-29 03:22:17,179 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1812 transitions. [2023-08-29 03:22:17,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1812 transitions. [2023-08-29 03:22:17,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:17,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1812 transitions. [2023-08-29 03:22:17,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 604.0) internal successors, (1812), 3 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:17,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:17,188 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:17,188 INFO L175 Difference]: Start difference. First operand has 181 places, 181 transitions, 399 flow. Second operand 3 states and 1812 transitions. [2023-08-29 03:22:17,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 221 transitions, 729 flow [2023-08-29 03:22:17,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 221 transitions, 729 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:22:17,208 INFO L231 Difference]: Finished difference. Result has 180 places, 179 transitions, 407 flow [2023-08-29 03:22:17,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=179} [2023-08-29 03:22:17,209 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -34 predicate places. [2023-08-29 03:22:17,209 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 179 transitions, 407 flow [2023-08-29 03:22:17,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:17,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:17,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:17,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:22:17,210 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:17,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:17,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1096416983, now seen corresponding path program 1 times [2023-08-29 03:22:17,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:17,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254332] [2023-08-29 03:22:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:17,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:17,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254332] [2023-08-29 03:22:17,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254332] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:17,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:22:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686973660] [2023-08-29 03:22:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:17,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:22:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:22:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:22:17,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-29 03:22:17,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 179 transitions, 407 flow. Second operand has 5 states, 5 states have (on average 568.0) internal successors, (2840), 5 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:17,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:17,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-29 03:22:17,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:22,924 INFO L130 PetriNetUnfolder]: 28796/75299 cut-off events. [2023-08-29 03:22:22,924 INFO L131 PetriNetUnfolder]: For 12014/12103 co-relation queries the response was YES. [2023-08-29 03:22:23,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128648 conditions, 75299 events. 28796/75299 cut-off events. For 12014/12103 co-relation queries the response was YES. Maximal size of possible extension queue 1765. Compared 936143 event pairs, 14863 based on Foata normal form. 602/68479 useless extension candidates. Maximal degree in co-relation 128641. Up to 26091 conditions per place. [2023-08-29 03:22:23,918 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 141 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2023-08-29 03:22:23,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 264 transitions, 920 flow [2023-08-29 03:22:23,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:22:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:22:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2965 transitions. [2023-08-29 03:22:23,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5376246600181324 [2023-08-29 03:22:23,925 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2965 transitions. [2023-08-29 03:22:23,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2965 transitions. [2023-08-29 03:22:23,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:23,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2965 transitions. [2023-08-29 03:22:23,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 593.0) internal successors, (2965), 5 states have internal predecessors, (2965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:23,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1103.0) internal successors, (6618), 6 states have internal predecessors, (6618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:23,940 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1103.0) internal successors, (6618), 6 states have internal predecessors, (6618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:23,940 INFO L175 Difference]: Start difference. First operand has 180 places, 179 transitions, 407 flow. Second operand 5 states and 2965 transitions. [2023-08-29 03:22:23,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 264 transitions, 920 flow [2023-08-29 03:22:24,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 264 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:22:24,193 INFO L231 Difference]: Finished difference. Result has 187 places, 182 transitions, 436 flow [2023-08-29 03:22:24,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=436, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2023-08-29 03:22:24,194 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -27 predicate places. [2023-08-29 03:22:24,194 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 436 flow [2023-08-29 03:22:24,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 568.0) internal successors, (2840), 5 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:24,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:24,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:24,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:22:24,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:24,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:24,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1682280386, now seen corresponding path program 1 times [2023-08-29 03:22:24,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:24,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436595272] [2023-08-29 03:22:24,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:24,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:22:24,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:24,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436595272] [2023-08-29 03:22:24,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436595272] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:24,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:24,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:22:24,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164323410] [2023-08-29 03:22:24,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:24,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:24,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:24,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:24,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-29 03:22:24,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 436 flow. Second operand has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:24,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:24,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-29 03:22:24,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:39,306 INFO L130 PetriNetUnfolder]: 74046/177793 cut-off events. [2023-08-29 03:22:39,306 INFO L131 PetriNetUnfolder]: For 39434/39434 co-relation queries the response was YES. [2023-08-29 03:22:40,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322152 conditions, 177793 events. 74046/177793 cut-off events. For 39434/39434 co-relation queries the response was YES. Maximal size of possible extension queue 4093. Compared 2354418 event pairs, 30619 based on Foata normal form. 1204/162430 useless extension candidates. Maximal degree in co-relation 322141. Up to 34063 conditions per place. [2023-08-29 03:22:40,769 INFO L137 encePairwiseOnDemand]: 1094/1103 looper letters, 321 selfloop transitions, 19 changer transitions 0/459 dead transitions. [2023-08-29 03:22:40,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 459 transitions, 1859 flow [2023-08-29 03:22:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 03:22:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 03:22:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 5890 transitions. [2023-08-29 03:22:40,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5339981867633726 [2023-08-29 03:22:40,780 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 5890 transitions. [2023-08-29 03:22:40,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 5890 transitions. [2023-08-29 03:22:40,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:40,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 5890 transitions. [2023-08-29 03:22:40,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 589.0) internal successors, (5890), 10 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:40,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1103.0) internal successors, (12133), 11 states have internal predecessors, (12133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:40,806 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1103.0) internal successors, (12133), 11 states have internal predecessors, (12133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:40,807 INFO L175 Difference]: Start difference. First operand has 187 places, 182 transitions, 436 flow. Second operand 10 states and 5890 transitions. [2023-08-29 03:22:40,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 459 transitions, 1859 flow [2023-08-29 03:22:42,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 459 transitions, 1855 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:22:42,290 INFO L231 Difference]: Finished difference. Result has 199 places, 197 transitions, 563 flow [2023-08-29 03:22:42,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=563, PETRI_PLACES=199, PETRI_TRANSITIONS=197} [2023-08-29 03:22:42,291 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -15 predicate places. [2023-08-29 03:22:42,291 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 197 transitions, 563 flow [2023-08-29 03:22:42,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:42,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:42,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:42,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:22:42,293 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:22:42,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash 183329249, now seen corresponding path program 1 times [2023-08-29 03:22:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:42,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640104449] [2023-08-29 03:22:42,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:42,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:22:42,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:42,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640104449] [2023-08-29 03:22:42,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640104449] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:42,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:22:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462819032] [2023-08-29 03:22:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:42,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:42,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:42,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:42,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:42,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-29 03:22:42,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 197 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:42,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:42,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-29 03:22:42,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:59,968 INFO L130 PetriNetUnfolder]: 80922/206401 cut-off events. [2023-08-29 03:22:59,968 INFO L131 PetriNetUnfolder]: For 92194/92596 co-relation queries the response was YES. [2023-08-29 03:23:01,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387634 conditions, 206401 events. 80922/206401 cut-off events. For 92194/92596 co-relation queries the response was YES. Maximal size of possible extension queue 4930. Compared 2888460 event pairs, 57858 based on Foata normal form. 2682/189299 useless extension candidates. Maximal degree in co-relation 387619. Up to 101358 conditions per place. [2023-08-29 03:23:01,989 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 121 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2023-08-29 03:23:01,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 242 transitions, 1017 flow [2023-08-29 03:23:01,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:23:01,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:23:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2023-08-29 03:23:01,993 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5457842248413418 [2023-08-29 03:23:01,994 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1806 transitions. [2023-08-29 03:23:01,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1806 transitions. [2023-08-29 03:23:01,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:01,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1806 transitions. [2023-08-29 03:23:01,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:02,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:02,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:02,001 INFO L175 Difference]: Start difference. First operand has 199 places, 197 transitions, 563 flow. Second operand 3 states and 1806 transitions. [2023-08-29 03:23:02,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 242 transitions, 1017 flow [2023-08-29 03:23:02,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 242 transitions, 1015 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 03:23:02,242 INFO L231 Difference]: Finished difference. Result has 202 places, 198 transitions, 575 flow [2023-08-29 03:23:02,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=202, PETRI_TRANSITIONS=198} [2023-08-29 03:23:02,244 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -12 predicate places. [2023-08-29 03:23:02,245 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 198 transitions, 575 flow [2023-08-29 03:23:02,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:02,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:02,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:02,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:23:02,247 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:23:02,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1547524995, now seen corresponding path program 1 times [2023-08-29 03:23:02,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:02,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251826078] [2023-08-29 03:23:02,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:02,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:23:02,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:02,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251826078] [2023-08-29 03:23:02,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251826078] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:02,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:02,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:02,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695815536] [2023-08-29 03:23:02,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:02,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:02,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:02,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:02,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:03,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:23:03,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:03,232 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:03,232 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:23:03,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:23,146 INFO L130 PetriNetUnfolder]: 93823/226225 cut-off events. [2023-08-29 03:23:23,146 INFO L131 PetriNetUnfolder]: For 110608/111016 co-relation queries the response was YES. [2023-08-29 03:23:24,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443698 conditions, 226225 events. 93823/226225 cut-off events. For 110608/111016 co-relation queries the response was YES. Maximal size of possible extension queue 5360. Compared 3106755 event pairs, 62221 based on Foata normal form. 0/208444 useless extension candidates. Maximal degree in co-relation 443681. Up to 107457 conditions per place. [2023-08-29 03:23:25,227 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 228 selfloop transitions, 5 changer transitions 0/340 dead transitions. [2023-08-29 03:23:25,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 340 transitions, 1443 flow [2023-08-29 03:23:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3523 transitions. [2023-08-29 03:23:25,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5323360531882744 [2023-08-29 03:23:25,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3523 transitions. [2023-08-29 03:23:25,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3523 transitions. [2023-08-29 03:23:25,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:25,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3523 transitions. [2023-08-29 03:23:25,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 587.1666666666666) internal successors, (3523), 6 states have internal predecessors, (3523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:25,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:25,243 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:25,243 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 575 flow. Second operand 6 states and 3523 transitions. [2023-08-29 03:23:25,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 340 transitions, 1443 flow [2023-08-29 03:23:26,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 340 transitions, 1433 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:23:26,323 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 579 flow [2023-08-29 03:23:26,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=579, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2023-08-29 03:23:26,324 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -10 predicate places. [2023-08-29 03:23:26,324 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 579 flow [2023-08-29 03:23:26,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:26,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:26,325 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:26,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:23:26,325 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:23:26,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:26,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1264685258, now seen corresponding path program 1 times [2023-08-29 03:23:26,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:26,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391043396] [2023-08-29 03:23:26,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:26,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:26,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:26,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391043396] [2023-08-29 03:23:26,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391043396] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:26,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:26,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:26,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361268774] [2023-08-29 03:23:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:26,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:23:26,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:26,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:23:26,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:23:26,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-29 03:23:26,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 579 flow. Second operand has 5 states, 5 states have (on average 568.4) internal successors, (2842), 5 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:26,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:26,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-29 03:23:26,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:36,600 INFO L130 PetriNetUnfolder]: 46830/118511 cut-off events. [2023-08-29 03:23:36,601 INFO L131 PetriNetUnfolder]: For 56736/56968 co-relation queries the response was YES. [2023-08-29 03:23:37,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230479 conditions, 118511 events. 46830/118511 cut-off events. For 56736/56968 co-relation queries the response was YES. Maximal size of possible extension queue 2687. Compared 1518670 event pairs, 28579 based on Foata normal form. 1224/111492 useless extension candidates. Maximal degree in co-relation 230462. Up to 44537 conditions per place. [2023-08-29 03:23:37,707 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 205 selfloop transitions, 7 changer transitions 0/329 dead transitions. [2023-08-29 03:23:37,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 329 transitions, 1419 flow [2023-08-29 03:23:37,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:23:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:23:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4151 transitions. [2023-08-29 03:23:37,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5376246600181324 [2023-08-29 03:23:37,713 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4151 transitions. [2023-08-29 03:23:37,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4151 transitions. [2023-08-29 03:23:37,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:37,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4151 transitions. [2023-08-29 03:23:37,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 593.0) internal successors, (4151), 7 states have internal predecessors, (4151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:37,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:37,723 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:37,723 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 579 flow. Second operand 7 states and 4151 transitions. [2023-08-29 03:23:37,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 329 transitions, 1419 flow [2023-08-29 03:23:38,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 329 transitions, 1409 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:23:38,622 INFO L231 Difference]: Finished difference. Result has 207 places, 198 transitions, 595 flow [2023-08-29 03:23:38,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=595, PETRI_PLACES=207, PETRI_TRANSITIONS=198} [2023-08-29 03:23:38,622 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -7 predicate places. [2023-08-29 03:23:38,622 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 198 transitions, 595 flow [2023-08-29 03:23:38,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 568.4) internal successors, (2842), 5 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:38,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:38,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:38,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:23:38,623 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:23:38,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:38,624 INFO L85 PathProgramCache]: Analyzing trace with hash -52568507, now seen corresponding path program 1 times [2023-08-29 03:23:38,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:38,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706560350] [2023-08-29 03:23:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:23:38,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:38,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706560350] [2023-08-29 03:23:38,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706560350] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:38,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:38,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:23:38,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075549714] [2023-08-29 03:23:38,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:38,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:38,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:39,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-29 03:23:39,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 198 transitions, 595 flow. Second operand has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:39,073 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:39,073 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-29 03:23:39,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:51,866 INFO L130 PetriNetUnfolder]: 62561/145325 cut-off events. [2023-08-29 03:23:51,866 INFO L131 PetriNetUnfolder]: For 86435/87017 co-relation queries the response was YES. [2023-08-29 03:23:53,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299921 conditions, 145325 events. 62561/145325 cut-off events. For 86435/87017 co-relation queries the response was YES. Maximal size of possible extension queue 3393. Compared 1824465 event pairs, 31916 based on Foata normal form. 1038/136133 useless extension candidates. Maximal degree in co-relation 299902. Up to 45751 conditions per place. [2023-08-29 03:23:53,712 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 248 selfloop transitions, 13 changer transitions 0/378 dead transitions. [2023-08-29 03:23:53,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 378 transitions, 1822 flow [2023-08-29 03:23:53,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:23:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:23:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4104 transitions. [2023-08-29 03:23:53,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315373656262142 [2023-08-29 03:23:53,720 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4104 transitions. [2023-08-29 03:23:53,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4104 transitions. [2023-08-29 03:23:53,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:53,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4104 transitions. [2023-08-29 03:23:53,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 586.2857142857143) internal successors, (4104), 7 states have internal predecessors, (4104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:53,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:53,733 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:53,734 INFO L175 Difference]: Start difference. First operand has 207 places, 198 transitions, 595 flow. Second operand 7 states and 4104 transitions. [2023-08-29 03:23:53,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 378 transitions, 1822 flow [2023-08-29 03:23:54,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 378 transitions, 1818 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:23:54,596 INFO L231 Difference]: Finished difference. Result has 216 places, 205 transitions, 673 flow [2023-08-29 03:23:54,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=673, PETRI_PLACES=216, PETRI_TRANSITIONS=205} [2023-08-29 03:23:54,597 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 2 predicate places. [2023-08-29 03:23:54,597 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 205 transitions, 673 flow [2023-08-29 03:23:54,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:54,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:54,598 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:23:54,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 03:23:54,598 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:23:54,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:54,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1478983578, now seen corresponding path program 1 times [2023-08-29 03:23:54,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:54,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915610323] [2023-08-29 03:23:54,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:54,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:23:54,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915610323] [2023-08-29 03:23:54,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915610323] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:54,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:54,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:54,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330668566] [2023-08-29 03:23:54,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:54,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:54,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:54,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:55,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-29 03:23:55,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 205 transitions, 673 flow. Second operand has 6 states, 6 states have (on average 560.6666666666666) internal successors, (3364), 6 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:23:55,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:55,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-29 03:23:55,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:24:06,615 INFO L130 PetriNetUnfolder]: 48020/122432 cut-off events. [2023-08-29 03:24:06,616 INFO L131 PetriNetUnfolder]: For 101602/102004 co-relation queries the response was YES. [2023-08-29 03:24:07,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257968 conditions, 122432 events. 48020/122432 cut-off events. For 101602/102004 co-relation queries the response was YES. Maximal size of possible extension queue 2657. Compared 1575721 event pairs, 33735 based on Foata normal form. 406/114508 useless extension candidates. Maximal degree in co-relation 257944. Up to 58001 conditions per place. [2023-08-29 03:24:07,934 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 202 selfloop transitions, 7 changer transitions 0/326 dead transitions. [2023-08-29 03:24:07,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 326 transitions, 1729 flow [2023-08-29 03:24:07,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:24:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:24:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3480 transitions. [2023-08-29 03:24:07,939 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5258386219401632 [2023-08-29 03:24:07,939 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3480 transitions. [2023-08-29 03:24:07,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3480 transitions. [2023-08-29 03:24:07,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:24:07,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3480 transitions. [2023-08-29 03:24:07,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:07,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:07,947 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:07,948 INFO L175 Difference]: Start difference. First operand has 216 places, 205 transitions, 673 flow. Second operand 6 states and 3480 transitions. [2023-08-29 03:24:07,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 326 transitions, 1729 flow [2023-08-29 03:24:08,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 326 transitions, 1721 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-29 03:24:08,555 INFO L231 Difference]: Finished difference. Result has 224 places, 209 transitions, 714 flow [2023-08-29 03:24:08,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=714, PETRI_PLACES=224, PETRI_TRANSITIONS=209} [2023-08-29 03:24:08,556 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 10 predicate places. [2023-08-29 03:24:08,557 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 209 transitions, 714 flow [2023-08-29 03:24:08,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.6666666666666) internal successors, (3364), 6 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:08,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:24:08,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:24:08,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 03:24:08,558 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:24:08,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:24:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash -188531407, now seen corresponding path program 1 times [2023-08-29 03:24:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:24:08,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946756207] [2023-08-29 03:24:08,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:24:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:24:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:24:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:24:08,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:24:08,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946756207] [2023-08-29 03:24:08,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946756207] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:24:08,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:24:08,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:24:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548987881] [2023-08-29 03:24:08,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:24:08,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:24:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:24:08,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:24:08,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:24:08,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-29 03:24:08,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 209 transitions, 714 flow. Second operand has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:08,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:24:08,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-29 03:24:08,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:24:17,384 INFO L130 PetriNetUnfolder]: 38189/90572 cut-off events. [2023-08-29 03:24:17,384 INFO L131 PetriNetUnfolder]: For 87116/87327 co-relation queries the response was YES. [2023-08-29 03:24:18,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205896 conditions, 90572 events. 38189/90572 cut-off events. For 87116/87327 co-relation queries the response was YES. Maximal size of possible extension queue 1996. Compared 1065740 event pairs, 21668 based on Foata normal form. 338/84960 useless extension candidates. Maximal degree in co-relation 205868. Up to 36025 conditions per place. [2023-08-29 03:24:18,337 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 218 selfloop transitions, 17 changer transitions 0/352 dead transitions. [2023-08-29 03:24:18,337 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 352 transitions, 1897 flow [2023-08-29 03:24:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:24:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:24:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4070 transitions. [2023-08-29 03:24:18,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5271337909597202 [2023-08-29 03:24:18,342 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4070 transitions. [2023-08-29 03:24:18,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4070 transitions. [2023-08-29 03:24:18,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:24:18,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4070 transitions. [2023-08-29 03:24:18,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 581.4285714285714) internal successors, (4070), 7 states have internal predecessors, (4070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:18,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:18,350 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:18,350 INFO L175 Difference]: Start difference. First operand has 224 places, 209 transitions, 714 flow. Second operand 7 states and 4070 transitions. [2023-08-29 03:24:18,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 352 transitions, 1897 flow [2023-08-29 03:24:19,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 352 transitions, 1882 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-29 03:24:19,384 INFO L231 Difference]: Finished difference. Result has 231 places, 217 transitions, 814 flow [2023-08-29 03:24:19,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=814, PETRI_PLACES=231, PETRI_TRANSITIONS=217} [2023-08-29 03:24:19,385 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 17 predicate places. [2023-08-29 03:24:19,385 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 217 transitions, 814 flow [2023-08-29 03:24:19,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:19,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:24:19,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:24:19,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 03:24:19,386 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:24:19,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:24:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1071899900, now seen corresponding path program 1 times [2023-08-29 03:24:19,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:24:19,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882659302] [2023-08-29 03:24:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:24:19,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:24:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:24:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:24:19,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:24:19,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882659302] [2023-08-29 03:24:19,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882659302] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:24:19,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:24:19,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:24:19,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417610711] [2023-08-29 03:24:19,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:24:19,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:24:19,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:24:19,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:24:19,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:24:20,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:24:20,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 217 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:20,194 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:24:20,194 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:24:20,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:24:31,820 INFO L130 PetriNetUnfolder]: 55061/116963 cut-off events. [2023-08-29 03:24:31,821 INFO L131 PetriNetUnfolder]: For 134997/135409 co-relation queries the response was YES. [2023-08-29 03:24:32,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282100 conditions, 116963 events. 55061/116963 cut-off events. For 134997/135409 co-relation queries the response was YES. Maximal size of possible extension queue 2411. Compared 1329595 event pairs, 27745 based on Foata normal form. 12/110086 useless extension candidates. Maximal degree in co-relation 282069. Up to 48185 conditions per place. [2023-08-29 03:24:33,499 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 271 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2023-08-29 03:24:33,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 381 transitions, 2127 flow [2023-08-29 03:24:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:24:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:24:33,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3521 transitions. [2023-08-29 03:24:33,503 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532033847083711 [2023-08-29 03:24:33,503 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3521 transitions. [2023-08-29 03:24:33,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3521 transitions. [2023-08-29 03:24:33,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:24:33,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3521 transitions. [2023-08-29 03:24:33,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.8333333333334) internal successors, (3521), 6 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:33,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:33,513 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:33,513 INFO L175 Difference]: Start difference. First operand has 231 places, 217 transitions, 814 flow. Second operand 6 states and 3521 transitions. [2023-08-29 03:24:33,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 381 transitions, 2127 flow [2023-08-29 03:24:34,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 381 transitions, 2122 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:24:34,608 INFO L231 Difference]: Finished difference. Result has 233 places, 215 transitions, 815 flow [2023-08-29 03:24:34,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=233, PETRI_TRANSITIONS=215} [2023-08-29 03:24:34,609 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 19 predicate places. [2023-08-29 03:24:34,609 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 215 transitions, 815 flow [2023-08-29 03:24:34,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:34,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:24:34,610 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:24:34,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 03:24:34,610 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:24:34,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:24:34,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1618036570, now seen corresponding path program 1 times [2023-08-29 03:24:34,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:24:34,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263050444] [2023-08-29 03:24:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:24:34,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:24:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:24:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:24:34,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:24:34,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263050444] [2023-08-29 03:24:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263050444] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:24:34,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:24:34,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:24:34,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438845065] [2023-08-29 03:24:34,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:24:34,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:24:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:24:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:24:34,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:24:35,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:24:35,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 215 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:35,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:24:35,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:24:35,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:24:46,372 INFO L130 PetriNetUnfolder]: 50397/105240 cut-off events. [2023-08-29 03:24:46,372 INFO L131 PetriNetUnfolder]: For 127016/127438 co-relation queries the response was YES. [2023-08-29 03:24:47,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261228 conditions, 105240 events. 50397/105240 cut-off events. For 127016/127438 co-relation queries the response was YES. Maximal size of possible extension queue 2471. Compared 1179066 event pairs, 25772 based on Foata normal form. 14/100200 useless extension candidates. Maximal degree in co-relation 261196. Up to 44290 conditions per place. [2023-08-29 03:24:47,567 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 247 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2023-08-29 03:24:47,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 357 transitions, 1963 flow [2023-08-29 03:24:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:24:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:24:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3497 transitions. [2023-08-29 03:24:47,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5284073738289513 [2023-08-29 03:24:47,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3497 transitions. [2023-08-29 03:24:47,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3497 transitions. [2023-08-29 03:24:47,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:24:47,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3497 transitions. [2023-08-29 03:24:47,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 582.8333333333334) internal successors, (3497), 6 states have internal predecessors, (3497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:47,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:47,580 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:47,580 INFO L175 Difference]: Start difference. First operand has 233 places, 215 transitions, 815 flow. Second operand 6 states and 3497 transitions. [2023-08-29 03:24:47,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 357 transitions, 1963 flow [2023-08-29 03:24:48,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 357 transitions, 1945 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:24:48,557 INFO L231 Difference]: Finished difference. Result has 231 places, 213 transitions, 811 flow [2023-08-29 03:24:48,557 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=231, PETRI_TRANSITIONS=213} [2023-08-29 03:24:48,557 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 17 predicate places. [2023-08-29 03:24:48,558 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 213 transitions, 811 flow [2023-08-29 03:24:48,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:48,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:24:48,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:24:48,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 03:24:48,558 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:24:48,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:24:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash -696298146, now seen corresponding path program 1 times [2023-08-29 03:24:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:24:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252204709] [2023-08-29 03:24:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:24:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:24:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:24:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:24:48,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:24:48,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252204709] [2023-08-29 03:24:48,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252204709] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:24:48,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:24:48,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:24:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284757082] [2023-08-29 03:24:48,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:24:48,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:24:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:24:48,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:24:48,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:24:48,609 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-29 03:24:48,610 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 213 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:24:48,610 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:24:48,610 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-29 03:24:48,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:25:00,835 INFO L130 PetriNetUnfolder]: 56729/117984 cut-off events. [2023-08-29 03:25:00,835 INFO L131 PetriNetUnfolder]: For 137363/137775 co-relation queries the response was YES. [2023-08-29 03:25:01,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292251 conditions, 117984 events. 56729/117984 cut-off events. For 137363/137775 co-relation queries the response was YES. Maximal size of possible extension queue 2757. Compared 1331426 event pairs, 20402 based on Foata normal form. 12/113489 useless extension candidates. Maximal degree in co-relation 292219. Up to 47405 conditions per place. [2023-08-29 03:25:02,315 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 158 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2023-08-29 03:25:02,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 262 transitions, 1400 flow [2023-08-29 03:25:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:25:02,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:25:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1809 transitions. [2023-08-29 03:25:02,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5466908431550317 [2023-08-29 03:25:02,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1809 transitions. [2023-08-29 03:25:02,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1809 transitions. [2023-08-29 03:25:02,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:25:02,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1809 transitions. [2023-08-29 03:25:02,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.0) internal successors, (1809), 3 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:02,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:02,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:02,324 INFO L175 Difference]: Start difference. First operand has 231 places, 213 transitions, 811 flow. Second operand 3 states and 1809 transitions. [2023-08-29 03:25:02,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 262 transitions, 1400 flow [2023-08-29 03:25:03,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 262 transitions, 1388 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:25:03,443 INFO L231 Difference]: Finished difference. Result has 225 places, 211 transitions, 807 flow [2023-08-29 03:25:03,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=225, PETRI_TRANSITIONS=211} [2023-08-29 03:25:03,444 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 11 predicate places. [2023-08-29 03:25:03,444 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 211 transitions, 807 flow [2023-08-29 03:25:03,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:03,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:25:03,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:25:03,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 03:25:03,445 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:25:03,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:25:03,445 INFO L85 PathProgramCache]: Analyzing trace with hash 170545114, now seen corresponding path program 1 times [2023-08-29 03:25:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:25:03,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862692865] [2023-08-29 03:25:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:25:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:25:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:25:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:25:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:25:03,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862692865] [2023-08-29 03:25:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862692865] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:25:03,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:25:03,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:25:03,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463011461] [2023-08-29 03:25:03,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:25:03,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:25:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:25:03,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:25:03,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:25:04,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-29 03:25:04,323 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 211 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:04,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:25:04,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-29 03:25:04,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:25:17,429 INFO L130 PetriNetUnfolder]: 53440/117862 cut-off events. [2023-08-29 03:25:17,430 INFO L131 PetriNetUnfolder]: For 142730/143142 co-relation queries the response was YES. [2023-08-29 03:25:18,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287937 conditions, 117862 events. 53440/117862 cut-off events. For 142730/143142 co-relation queries the response was YES. Maximal size of possible extension queue 2726. Compared 1382872 event pairs, 33539 based on Foata normal form. 12/113687 useless extension candidates. Maximal degree in co-relation 287905. Up to 58964 conditions per place. [2023-08-29 03:25:19,108 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 300 selfloop transitions, 4 changer transitions 0/410 dead transitions. [2023-08-29 03:25:19,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 410 transitions, 2605 flow [2023-08-29 03:25:19,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:25:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:25:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3534 transitions. [2023-08-29 03:25:19,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5339981867633726 [2023-08-29 03:25:19,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3534 transitions. [2023-08-29 03:25:19,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3534 transitions. [2023-08-29 03:25:19,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:25:19,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3534 transitions. [2023-08-29 03:25:19,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 589.0) internal successors, (3534), 6 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:19,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:19,122 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:19,122 INFO L175 Difference]: Start difference. First operand has 225 places, 211 transitions, 807 flow. Second operand 6 states and 3534 transitions. [2023-08-29 03:25:19,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 410 transitions, 2605 flow [2023-08-29 03:25:20,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 410 transitions, 2605 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:25:20,497 INFO L231 Difference]: Finished difference. Result has 229 places, 210 transitions, 813 flow [2023-08-29 03:25:20,498 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=229, PETRI_TRANSITIONS=210} [2023-08-29 03:25:20,498 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 15 predicate places. [2023-08-29 03:25:20,498 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 210 transitions, 813 flow [2023-08-29 03:25:20,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:20,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:25:20,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:25:20,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 03:25:20,499 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:25:20,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:25:20,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1233527895, now seen corresponding path program 1 times [2023-08-29 03:25:20,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:25:20,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430608070] [2023-08-29 03:25:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:25:20,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:25:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:25:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:25:20,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:25:20,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430608070] [2023-08-29 03:25:20,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430608070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:25:20,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:25:20,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:25:20,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198035213] [2023-08-29 03:25:20,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:25:20,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:25:20,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:25:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:25:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:25:21,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:25:21,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 210 transitions, 813 flow. Second operand has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:21,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:25:21,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:25:21,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:25:34,279 INFO L130 PetriNetUnfolder]: 60998/127240 cut-off events. [2023-08-29 03:25:34,279 INFO L131 PetriNetUnfolder]: For 152524/152936 co-relation queries the response was YES. [2023-08-29 03:25:35,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318219 conditions, 127240 events. 60998/127240 cut-off events. For 152524/152936 co-relation queries the response was YES. Maximal size of possible extension queue 2631. Compared 1440327 event pairs, 32660 based on Foata normal form. 12/123258 useless extension candidates. Maximal degree in co-relation 318186. Up to 56142 conditions per place. [2023-08-29 03:25:36,226 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 283 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-29 03:25:36,226 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 388 transitions, 2237 flow [2023-08-29 03:25:36,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:25:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:25:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3521 transitions. [2023-08-29 03:25:36,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532033847083711 [2023-08-29 03:25:36,230 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3521 transitions. [2023-08-29 03:25:36,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3521 transitions. [2023-08-29 03:25:36,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:25:36,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3521 transitions. [2023-08-29 03:25:36,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.8333333333334) internal successors, (3521), 6 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:36,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:36,239 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:36,239 INFO L175 Difference]: Start difference. First operand has 229 places, 210 transitions, 813 flow. Second operand 6 states and 3521 transitions. [2023-08-29 03:25:36,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 388 transitions, 2237 flow [2023-08-29 03:25:37,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 388 transitions, 2228 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:25:37,719 INFO L231 Difference]: Finished difference. Result has 228 places, 208 transitions, 812 flow [2023-08-29 03:25:37,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=812, PETRI_PLACES=228, PETRI_TRANSITIONS=208} [2023-08-29 03:25:37,722 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 14 predicate places. [2023-08-29 03:25:37,722 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 208 transitions, 812 flow [2023-08-29 03:25:37,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:37,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:25:37,723 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:25:37,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 03:25:37,723 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:25:37,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:25:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1696943786, now seen corresponding path program 1 times [2023-08-29 03:25:37,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:25:37,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939419836] [2023-08-29 03:25:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:25:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:25:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:25:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:25:37,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:25:37,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939419836] [2023-08-29 03:25:37,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939419836] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:25:37,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:25:37,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:25:37,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822211340] [2023-08-29 03:25:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:25:37,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:25:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:25:37,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:25:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:25:38,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:25:38,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 208 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 557.8333333333334) internal successors, (3347), 6 states have internal predecessors, (3347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:38,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:25:38,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:25:38,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:25:51,390 INFO L130 PetriNetUnfolder]: 58337/122415 cut-off events. [2023-08-29 03:25:51,390 INFO L131 PetriNetUnfolder]: For 143829/144241 co-relation queries the response was YES. [2023-08-29 03:25:52,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304637 conditions, 122415 events. 58337/122415 cut-off events. For 143829/144241 co-relation queries the response was YES. Maximal size of possible extension queue 2729. Compared 1393667 event pairs, 32681 based on Foata normal form. 12/119244 useless extension candidates. Maximal degree in co-relation 304604. Up to 56601 conditions per place. [2023-08-29 03:25:53,358 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 246 selfloop transitions, 5 changer transitions 0/350 dead transitions. [2023-08-29 03:25:53,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 350 transitions, 1958 flow [2023-08-29 03:25:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:25:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:25:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3496 transitions. [2023-08-29 03:25:53,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5282562707766697 [2023-08-29 03:25:53,361 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3496 transitions. [2023-08-29 03:25:53,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3496 transitions. [2023-08-29 03:25:53,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:25:53,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3496 transitions. [2023-08-29 03:25:53,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 582.6666666666666) internal successors, (3496), 6 states have internal predecessors, (3496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:53,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:53,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:53,370 INFO L175 Difference]: Start difference. First operand has 228 places, 208 transitions, 812 flow. Second operand 6 states and 3496 transitions. [2023-08-29 03:25:53,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 350 transitions, 1958 flow [2023-08-29 03:25:54,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 350 transitions, 1940 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:25:54,464 INFO L231 Difference]: Finished difference. Result has 226 places, 206 transitions, 808 flow [2023-08-29 03:25:54,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=226, PETRI_TRANSITIONS=206} [2023-08-29 03:25:54,464 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 12 predicate places. [2023-08-29 03:25:54,465 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 206 transitions, 808 flow [2023-08-29 03:25:54,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.8333333333334) internal successors, (3347), 6 states have internal predecessors, (3347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:54,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:25:54,465 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:25:54,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 03:25:54,465 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:25:54,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:25:54,466 INFO L85 PathProgramCache]: Analyzing trace with hash 711971362, now seen corresponding path program 1 times [2023-08-29 03:25:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:25:54,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814759978] [2023-08-29 03:25:54,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:25:54,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:25:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:25:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:25:54,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:25:54,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814759978] [2023-08-29 03:25:54,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814759978] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:25:54,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:25:54,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:25:54,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038822498] [2023-08-29 03:25:54,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:25:54,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:25:54,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:25:54,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:25:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:25:55,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-29 03:25:55,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 206 transitions, 808 flow. Second operand has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:25:55,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:25:55,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-29 03:25:55,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:26:08,219 INFO L130 PetriNetUnfolder]: 60125/124390 cut-off events. [2023-08-29 03:26:08,219 INFO L131 PetriNetUnfolder]: For 147027/147439 co-relation queries the response was YES. [2023-08-29 03:26:09,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309726 conditions, 124390 events. 60125/124390 cut-off events. For 147027/147439 co-relation queries the response was YES. Maximal size of possible extension queue 2683. Compared 1399947 event pairs, 33716 based on Foata normal form. 12/120510 useless extension candidates. Maximal degree in co-relation 309693. Up to 58248 conditions per place. [2023-08-29 03:26:10,142 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 269 selfloop transitions, 5 changer transitions 0/370 dead transitions. [2023-08-29 03:26:10,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 370 transitions, 2133 flow [2023-08-29 03:26:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:26:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:26:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3519 transitions. [2023-08-29 03:26:10,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317316409791478 [2023-08-29 03:26:10,145 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3519 transitions. [2023-08-29 03:26:10,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3519 transitions. [2023-08-29 03:26:10,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:26:10,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3519 transitions. [2023-08-29 03:26:10,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.5) internal successors, (3519), 6 states have internal predecessors, (3519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:10,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:10,152 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:10,152 INFO L175 Difference]: Start difference. First operand has 226 places, 206 transitions, 808 flow. Second operand 6 states and 3519 transitions. [2023-08-29 03:26:10,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 370 transitions, 2133 flow [2023-08-29 03:26:11,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 370 transitions, 2107 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:26:11,325 INFO L231 Difference]: Finished difference. Result has 224 places, 204 transitions, 804 flow [2023-08-29 03:26:11,325 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=804, PETRI_PLACES=224, PETRI_TRANSITIONS=204} [2023-08-29 03:26:11,326 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 10 predicate places. [2023-08-29 03:26:11,326 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 204 transitions, 804 flow [2023-08-29 03:26:11,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:11,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:26:11,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:26:11,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 03:26:11,327 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 03:26:11,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:26:11,328 INFO L85 PathProgramCache]: Analyzing trace with hash -556696979, now seen corresponding path program 1 times [2023-08-29 03:26:11,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:26:11,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018273349] [2023-08-29 03:26:11,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:26:11,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:26:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:26:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:26:11,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:26:11,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018273349] [2023-08-29 03:26:11,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018273349] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:26:11,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:26:11,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:26:11,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694164613] [2023-08-29 03:26:11,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:26:11,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:26:11,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:26:11,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:26:11,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:26:12,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-29 03:26:12,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 204 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 565.3333333333334) internal successors, (3392), 6 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:12,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:26:12,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-29 03:26:12,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:26:23,350 INFO L130 PetriNetUnfolder]: 47312/110090 cut-off events. [2023-08-29 03:26:23,350 INFO L131 PetriNetUnfolder]: For 124776/125188 co-relation queries the response was YES. [2023-08-29 03:26:24,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264141 conditions, 110090 events. 47312/110090 cut-off events. For 124776/125188 co-relation queries the response was YES. Maximal size of possible extension queue 2502. Compared 1325117 event pairs, 36607 based on Foata normal form. 12/106963 useless extension candidates. Maximal degree in co-relation 264108. Up to 63769 conditions per place. [2023-08-29 03:26:24,448 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 0 selfloop transitions, 0 changer transitions 323/323 dead transitions. [2023-08-29 03:26:24,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 323 transitions, 1990 flow [2023-08-29 03:26:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:26:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:26:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3490 transitions. [2023-08-29 03:26:24,451 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273496524629797 [2023-08-29 03:26:24,451 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3490 transitions. [2023-08-29 03:26:24,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3490 transitions. [2023-08-29 03:26:24,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:26:24,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3490 transitions. [2023-08-29 03:26:24,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 581.6666666666666) internal successors, (3490), 6 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:24,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:24,458 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:24,458 INFO L175 Difference]: Start difference. First operand has 224 places, 204 transitions, 804 flow. Second operand 6 states and 3490 transitions. [2023-08-29 03:26:24,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 323 transitions, 1990 flow [2023-08-29 03:26:25,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 323 transitions, 1980 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:26:25,741 INFO L231 Difference]: Finished difference. Result has 223 places, 0 transitions, 0 flow [2023-08-29 03:26:25,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=223, PETRI_TRANSITIONS=0} [2023-08-29 03:26:25,742 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 9 predicate places. [2023-08-29 03:26:25,742 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 0 transitions, 0 flow [2023-08-29 03:26:25,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.3333333333334) internal successors, (3392), 6 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:26:25,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (104 of 105 remaining) [2023-08-29 03:26:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (103 of 105 remaining) [2023-08-29 03:26:25,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (102 of 105 remaining) [2023-08-29 03:26:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (101 of 105 remaining) [2023-08-29 03:26:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (100 of 105 remaining) [2023-08-29 03:26:25,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (99 of 105 remaining) [2023-08-29 03:26:25,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (98 of 105 remaining) [2023-08-29 03:26:25,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (97 of 105 remaining) [2023-08-29 03:26:25,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (96 of 105 remaining) [2023-08-29 03:26:25,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (95 of 105 remaining) [2023-08-29 03:26:25,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (94 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (93 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (92 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (91 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (90 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (89 of 105 remaining) [2023-08-29 03:26:25,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (88 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (87 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (86 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (85 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (84 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (83 of 105 remaining) [2023-08-29 03:26:25,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (82 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (81 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (80 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (79 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (78 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (77 of 105 remaining) [2023-08-29 03:26:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (76 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (75 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (74 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (73 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (72 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (71 of 105 remaining) [2023-08-29 03:26:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (70 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (69 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (68 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (67 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (66 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (65 of 105 remaining) [2023-08-29 03:26:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (64 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (63 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (62 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (61 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (60 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (59 of 105 remaining) [2023-08-29 03:26:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (58 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (57 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (55 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (54 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (53 of 105 remaining) [2023-08-29 03:26:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (52 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (51 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (50 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (49 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (48 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (47 of 105 remaining) [2023-08-29 03:26:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (46 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (45 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 105 remaining) [2023-08-29 03:26:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 105 remaining) [2023-08-29 03:26:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 105 remaining) [2023-08-29 03:26:25,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (24 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 105 remaining) [2023-08-29 03:26:25,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (22 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (20 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (17 of 105 remaining) [2023-08-29 03:26:25,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (16 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (14 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 105 remaining) [2023-08-29 03:26:25,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (8 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (5 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (4 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (3 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (2 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (1 of 105 remaining) [2023-08-29 03:26:25,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (0 of 105 remaining) [2023-08-29 03:26:25,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 03:26:25,767 INFO L445 BasicCegarLoop]: Path program 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] [2023-08-29 03:26:25,771 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:26:25,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:26:25,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:26:25 BasicIcfg [2023-08-29 03:26:25,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:26:25,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:26:25,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:26:25,775 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:26:25,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:35" (3/4) ... [2023-08-29 03:26:25,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:26:25,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:26:25,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:26:25,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:26:25,789 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-08-29 03:26:25,790 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:26:25,790 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:26:25,791 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:26:25,855 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:26:25,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:26:25,856 INFO L158 Benchmark]: Toolchain (without parser) took 292478.05ms. Allocated memory was 77.6MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 55.9MB in the beginning and 9.5GB in the end (delta: -9.5GB). Peak memory consumption was 6.5GB. Max. memory is 16.1GB. [2023-08-29 03:26:25,856 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:26:25,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.30ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 42.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 03:26:25,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.14ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 37.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:26:25,857 INFO L158 Benchmark]: Boogie Preprocessor took 107.74ms. Allocated memory is still 77.6MB. Free memory was 37.5MB in the beginning and 54.1MB in the end (delta: -16.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-08-29 03:26:25,857 INFO L158 Benchmark]: RCFGBuilder took 1115.13ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 54.1MB in the beginning and 69.2MB in the end (delta: -15.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-08-29 03:26:25,858 INFO L158 Benchmark]: TraceAbstraction took 290697.53ms. Allocated memory was 94.4MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 68.7MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 7.1GB. Max. memory is 16.1GB. [2023-08-29 03:26:25,858 INFO L158 Benchmark]: Witness Printer took 80.83ms. Allocated memory is still 16.1GB. Free memory was 9.6GB in the beginning and 9.5GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:26:25,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.30ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 42.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.14ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 37.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.74ms. Allocated memory is still 77.6MB. Free memory was 37.5MB in the beginning and 54.1MB in the end (delta: -16.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.13ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 54.1MB in the beginning and 69.2MB in the end (delta: -15.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * TraceAbstraction took 290697.53ms. Allocated memory was 94.4MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 68.7MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 7.1GB. Max. memory is 16.1GB. * Witness Printer took 80.83ms. Allocated memory is still 16.1GB. Free memory was 9.6GB in the beginning and 9.5GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.8s, 563 PlacesBefore, 214 PlacesAfterwards, 584 TransitionsBefore, 220 TransitionsAfterwards, 85536 CoEnabledTransitionPairs, 9 FixpointIterations, 225 TrivialSequentialCompositions, 187 ConcurrentSequentialCompositions, 32 TrivialYvCompositions, 36 ConcurrentYvCompositions, 15 ChoiceCompositions, 495 TotalNumberOfCompositions, 534753 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135485, independent: 132177, independent conditional: 0, independent unconditional: 132177, dependent: 3308, dependent conditional: 0, dependent unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42028, independent: 41675, independent conditional: 0, independent unconditional: 41675, dependent: 353, dependent conditional: 0, dependent unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 135485, independent: 90502, independent conditional: 0, independent unconditional: 90502, dependent: 2955, dependent conditional: 0, dependent unconditional: 2955, unknown: 42028, unknown conditional: 0, unknown unconditional: 42028] , Statistics on independence cache: Total cache size (in pairs): 5954, Positive cache size: 5736, Positive conditional cache size: 0, Positive unconditional cache size: 5736, Negative cache size: 218, Negative conditional cache size: 0, Negative unconditional cache size: 218, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: 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, 888 locations, 105 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: 290.4s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 273.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8415 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5591 mSDsluCounter, 2567 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2114 mSDsCounter, 2436 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15109 IncrementalHoareTripleChecker+Invalid, 17545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2436 mSolverCounterUnsat, 453 mSDtfsCounter, 15109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=18, InterpolantAutomatonStates: 125, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 503 ConstructedInterpolants, 0 QuantifiedInterpolants, 1777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 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 60 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:26:25,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE