./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:30:33,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:30:33,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:30:33,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:30:33,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:30:33,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:30:33,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:30:33,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:30:33,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:30:33,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:30:33,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:30:33,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:30:33,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:30:33,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:30:33,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:30:33,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:30:33,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:30:33,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:30:33,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:30:33,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:30:33,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:30:33,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:30:33,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:30:33,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:30:33,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:30:33,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:30:33,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:30:33,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:30:33,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:30:33,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:30:33,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:30:33,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:30:33,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:30:33,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:30:33,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:30:33,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:30:33,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:30:33,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:30:33,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:30:33,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:30:33,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:30:33,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:30:33,711 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:30:33,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:30:33,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:30:33,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:30:33,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:30:33,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:30:33,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:30:33,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:30:33,715 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:30:33,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:30:33,716 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:30:33,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:30:33,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:30:33,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:30:33,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:30:33,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:30:33,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:30:33,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:30:33,718 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:30:33,718 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:30:33,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:30:33,718 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:30:33,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:30:33,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:30:33,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:30:33,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:30:33,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:30:33,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:30:33,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:30:33,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:30:33,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:30:33,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:30:33,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:30:33,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:30:33,721 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:30:33,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:30:33,721 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:30:33,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:30:34,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:30:34,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:30:34,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:30:34,049 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:30:34,049 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:30:34,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-08-31 21:30:35,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:30:35,449 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:30:35,450 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2023-08-31 21:30:35,461 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905b60692/a68bac4eca924835a08f40ac881bf6ce/FLAG40ea704de [2023-08-31 21:30:35,480 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905b60692/a68bac4eca924835a08f40ac881bf6ce [2023-08-31 21:30:35,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:30:35,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:30:35,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:30:35,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:30:35,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:30:35,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93cf675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35, skipping insertion in model container [2023-08-31 21:30:35,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:30:35,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:30:35,680 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-exp-term-symm.wvr.c[2628,2641] [2023-08-31 21:30:35,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:30:35,692 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:30:35,716 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-exp-term-symm.wvr.c[2628,2641] [2023-08-31 21:30:35,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:30:35,731 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:30:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35 WrapperNode [2023-08-31 21:30:35,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:30:35,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:30:35,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:30:35,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:30:35,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,783 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 254 [2023-08-31 21:30:35,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:30:35,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:30:35,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:30:35,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:30:35,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:30:35,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:30:35,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:30:35,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:30:35,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (1/1) ... [2023-08-31 21:30:35,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:30:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:30:35,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:30:35,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:30:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:30:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:30:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:30:35,929 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:30:36,064 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:30:36,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:30:36,463 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:30:36,475 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:30:36,475 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 21:30:36,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:36 BoogieIcfgContainer [2023-08-31 21:30:36,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:30:36,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:30:36,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:30:36,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:30:36,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:30:35" (1/3) ... [2023-08-31 21:30:36,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:30:36, skipping insertion in model container [2023-08-31 21:30:36,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:30:35" (2/3) ... [2023-08-31 21:30:36,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:30:36, skipping insertion in model container [2023-08-31 21:30:36,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:36" (3/3) ... [2023-08-31 21:30:36,484 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2023-08-31 21:30:36,491 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:30:36,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:30:36,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-08-31 21:30:36,501 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:30:36,624 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:30:36,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 320 transitions, 656 flow [2023-08-31 21:30:36,796 INFO L130 PetriNetUnfolder]: 22/318 cut-off events. [2023-08-31 21:30:36,798 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:30:36,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 318 events. 22/318 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 806 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-08-31 21:30:36,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 320 transitions, 656 flow [2023-08-31 21:30:36,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 287 places, 300 transitions, 612 flow [2023-08-31 21:30:36,826 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:30:36,843 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 300 transitions, 612 flow [2023-08-31 21:30:36,853 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 300 transitions, 612 flow [2023-08-31 21:30:36,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 300 transitions, 612 flow [2023-08-31 21:30:36,928 INFO L130 PetriNetUnfolder]: 20/300 cut-off events. [2023-08-31 21:30:36,928 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:30:36,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 300 events. 20/300 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 793 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-08-31 21:30:36,944 INFO L119 LiptonReduction]: Number of co-enabled transitions 21716 [2023-08-31 21:30:43,069 INFO L134 LiptonReduction]: Checked pairs total: 76618 [2023-08-31 21:30:43,070 INFO L136 LiptonReduction]: Total number of compositions: 295 [2023-08-31 21:30:43,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:30:43,094 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;@7873014b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:30:43,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2023-08-31 21:30:43,096 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:30:43,096 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:30:43,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:43,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:30:43,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:43,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:43,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1215, now seen corresponding path program 1 times [2023-08-31 21:30:43,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:43,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690960585] [2023-08-31 21:30:43,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:43,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:43,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690960585] [2023-08-31 21:30:43,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690960585] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:43,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:43,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:30:43,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094051065] [2023-08-31 21:30:43,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:43,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:30:43,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:43,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:30:43,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:30:43,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 615 [2023-08-31 21:30:43,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 98 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 308.5) internal successors, (617), 2 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:43,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 615 [2023-08-31 21:30:43,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:43,449 INFO L130 PetriNetUnfolder]: 738/1613 cut-off events. [2023-08-31 21:30:43,449 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2023-08-31 21:30:43,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2731 conditions, 1613 events. 738/1613 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11057 event pairs, 426 based on Foata normal form. 42/1245 useless extension candidates. Maximal degree in co-relation 2594. Up to 1075 conditions per place. [2023-08-31 21:30:43,460 INFO L137 encePairwiseOnDemand]: 600/615 looper letters, 41 selfloop transitions, 0 changer transitions 1/83 dead transitions. [2023-08-31 21:30:43,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 262 flow [2023-08-31 21:30:43,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:30:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:30:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 673 transitions. [2023-08-31 21:30:43,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5471544715447154 [2023-08-31 21:30:43,475 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 673 transitions. [2023-08-31 21:30:43,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 673 transitions. [2023-08-31 21:30:43,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:43,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 673 transitions. [2023-08-31 21:30:43,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 336.5) internal successors, (673), 2 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,490 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 615.0) internal successors, (1845), 3 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,491 INFO L175 Difference]: Start difference. First operand has 91 places, 98 transitions, 208 flow. Second operand 2 states and 673 transitions. [2023-08-31 21:30:43,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 262 flow [2023-08-31 21:30:43,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 83 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:30:43,497 INFO L231 Difference]: Finished difference. Result has 75 places, 82 transitions, 167 flow [2023-08-31 21:30:43,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=167, PETRI_PLACES=75, PETRI_TRANSITIONS=82} [2023-08-31 21:30:43,501 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -16 predicate places. [2023-08-31 21:30:43,502 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 82 transitions, 167 flow [2023-08-31 21:30:43,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 308.5) internal successors, (617), 2 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,503 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:43,503 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 21:30:43,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:30:43,504 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:43,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 37748313, now seen corresponding path program 1 times [2023-08-31 21:30:43,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:43,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449680167] [2023-08-31 21:30:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:43,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:43,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449680167] [2023-08-31 21:30:43,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449680167] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:43,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:43,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:43,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404187107] [2023-08-31 21:30:43,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:43,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:43,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:43,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:43,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:43,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 615 [2023-08-31 21:30:43,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:43,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 615 [2023-08-31 21:30:43,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:43,786 INFO L130 PetriNetUnfolder]: 1053/2113 cut-off events. [2023-08-31 21:30:43,787 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-31 21:30:43,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 2113 events. 1053/2113 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 13485 event pairs, 390 based on Foata normal form. 0/1607 useless extension candidates. Maximal degree in co-relation 3692. Up to 1557 conditions per place. [2023-08-31 21:30:43,798 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 50 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-08-31 21:30:43,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 81 transitions, 270 flow [2023-08-31 21:30:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 925 transitions. [2023-08-31 21:30:43,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5013550135501355 [2023-08-31 21:30:43,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 925 transitions. [2023-08-31 21:30:43,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 925 transitions. [2023-08-31 21:30:43,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:43,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 925 transitions. [2023-08-31 21:30:43,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 308.3333333333333) internal successors, (925), 3 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,811 INFO L175 Difference]: Start difference. First operand has 75 places, 82 transitions, 167 flow. Second operand 3 states and 925 transitions. [2023-08-31 21:30:43,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 81 transitions, 270 flow [2023-08-31 21:30:43,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 81 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:43,814 INFO L231 Difference]: Finished difference. Result has 71 places, 78 transitions, 169 flow [2023-08-31 21:30:43,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=71, PETRI_TRANSITIONS=78} [2023-08-31 21:30:43,815 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2023-08-31 21:30:43,815 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 78 transitions, 169 flow [2023-08-31 21:30:43,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:43,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:30:43,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:30:43,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:43,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:43,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1916414779, now seen corresponding path program 1 times [2023-08-31 21:30:43,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:43,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823190552] [2023-08-31 21:30:43,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823190552] [2023-08-31 21:30:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823190552] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:43,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:43,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524275059] [2023-08-31 21:30:43,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:43,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:43,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:43,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:43,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:43,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 615 [2023-08-31 21:30:43,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 78 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:43,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:43,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 615 [2023-08-31 21:30:43,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:44,070 INFO L130 PetriNetUnfolder]: 970/1920 cut-off events. [2023-08-31 21:30:44,071 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2023-08-31 21:30:44,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3402 conditions, 1920 events. 970/1920 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 11824 event pairs, 338 based on Foata normal form. 0/1481 useless extension candidates. Maximal degree in co-relation 3398. Up to 1434 conditions per place. [2023-08-31 21:30:44,079 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 48 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-08-31 21:30:44,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 77 transitions, 268 flow [2023-08-31 21:30:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2023-08-31 21:30:44,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5002710027100271 [2023-08-31 21:30:44,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 923 transitions. [2023-08-31 21:30:44,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 923 transitions. [2023-08-31 21:30:44,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:44,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 923 transitions. [2023-08-31 21:30:44,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,090 INFO L175 Difference]: Start difference. First operand has 71 places, 78 transitions, 169 flow. Second operand 3 states and 923 transitions. [2023-08-31 21:30:44,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 77 transitions, 268 flow [2023-08-31 21:30:44,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 77 transitions, 268 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:44,093 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 171 flow [2023-08-31 21:30:44,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=171, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-31 21:30:44,095 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2023-08-31 21:30:44,097 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 171 flow [2023-08-31 21:30:44,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:44,099 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:44,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:30:44,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:44,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:44,100 INFO L85 PathProgramCache]: Analyzing trace with hash -865981180, now seen corresponding path program 1 times [2023-08-31 21:30:44,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125059357] [2023-08-31 21:30:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:44,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:44,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:44,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125059357] [2023-08-31 21:30:44,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125059357] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:44,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:44,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:30:44,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639526363] [2023-08-31 21:30:44,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:44,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:44,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:44,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:44,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:44,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 615 [2023-08-31 21:30:44,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:44,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 615 [2023-08-31 21:30:44,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:44,382 INFO L130 PetriNetUnfolder]: 874/1794 cut-off events. [2023-08-31 21:30:44,383 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-31 21:30:44,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 1794 events. 874/1794 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 11656 event pairs, 347 based on Foata normal form. 0/1387 useless extension candidates. Maximal degree in co-relation 3122. Up to 879 conditions per place. [2023-08-31 21:30:44,393 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 59 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2023-08-31 21:30:44,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 95 transitions, 338 flow [2023-08-31 21:30:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2023-08-31 21:30:44,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5235772357723577 [2023-08-31 21:30:44,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2023-08-31 21:30:44,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2023-08-31 21:30:44,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:44,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2023-08-31 21:30:44,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,405 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 171 flow. Second operand 3 states and 966 transitions. [2023-08-31 21:30:44,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 95 transitions, 338 flow [2023-08-31 21:30:44,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 95 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:44,407 INFO L231 Difference]: Finished difference. Result has 72 places, 76 transitions, 193 flow [2023-08-31 21:30:44,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=72, PETRI_TRANSITIONS=76} [2023-08-31 21:30:44,408 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -19 predicate places. [2023-08-31 21:30:44,408 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 76 transitions, 193 flow [2023-08-31 21:30:44,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:44,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:44,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:30:44,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:44,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1075692115, now seen corresponding path program 1 times [2023-08-31 21:30:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:44,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401291830] [2023-08-31 21:30:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:44,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:44,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401291830] [2023-08-31 21:30:44,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401291830] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:44,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:44,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674056301] [2023-08-31 21:30:44,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:44,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:44,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:44,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:44,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 615 [2023-08-31 21:30:44,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 76 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:44,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 615 [2023-08-31 21:30:44,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:44,667 INFO L130 PetriNetUnfolder]: 874/1756 cut-off events. [2023-08-31 21:30:44,667 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-31 21:30:44,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3307 conditions, 1756 events. 874/1756 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 11123 event pairs, 446 based on Foata normal form. 48/1439 useless extension candidates. Maximal degree in co-relation 3300. Up to 1110 conditions per place. [2023-08-31 21:30:44,676 INFO L137 encePairwiseOnDemand]: 609/615 looper letters, 51 selfloop transitions, 6 changer transitions 5/94 dead transitions. [2023-08-31 21:30:44,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 94 transitions, 354 flow [2023-08-31 21:30:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2023-08-31 21:30:44,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5208672086720867 [2023-08-31 21:30:44,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2023-08-31 21:30:44,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2023-08-31 21:30:44,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:44,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2023-08-31 21:30:44,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,688 INFO L175 Difference]: Start difference. First operand has 72 places, 76 transitions, 193 flow. Second operand 3 states and 961 transitions. [2023-08-31 21:30:44,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 94 transitions, 354 flow [2023-08-31 21:30:44,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 94 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:44,691 INFO L231 Difference]: Finished difference. Result has 71 places, 75 transitions, 197 flow [2023-08-31 21:30:44,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=71, PETRI_TRANSITIONS=75} [2023-08-31 21:30:44,692 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2023-08-31 21:30:44,692 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 197 flow [2023-08-31 21:30:44,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:44,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:44,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:30:44,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:44,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:44,694 INFO L85 PathProgramCache]: Analyzing trace with hash 865672891, now seen corresponding path program 1 times [2023-08-31 21:30:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:44,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443853267] [2023-08-31 21:30:44,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:44,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:44,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:44,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443853267] [2023-08-31 21:30:44,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443853267] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:44,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:44,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:30:44,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618562054] [2023-08-31 21:30:44,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:44,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:44,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:44,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:44,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:44,735 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 615 [2023-08-31 21:30:44,736 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:44,737 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:44,737 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 615 [2023-08-31 21:30:44,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:44,983 INFO L130 PetriNetUnfolder]: 1261/2515 cut-off events. [2023-08-31 21:30:44,984 INFO L131 PetriNetUnfolder]: For 243/243 co-relation queries the response was YES. [2023-08-31 21:30:44,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4940 conditions, 2515 events. 1261/2515 cut-off events. For 243/243 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 16811 event pairs, 512 based on Foata normal form. 0/2070 useless extension candidates. Maximal degree in co-relation 4933. Up to 1296 conditions per place. [2023-08-31 21:30:45,000 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 68 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2023-08-31 21:30:45,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 104 transitions, 420 flow [2023-08-31 21:30:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-08-31 21:30:45,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5306233062330623 [2023-08-31 21:30:45,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-08-31 21:30:45,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-08-31 21:30:45,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:45,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-08-31 21:30:45,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,024 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,024 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 197 flow. Second operand 3 states and 979 transitions. [2023-08-31 21:30:45,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 104 transitions, 420 flow [2023-08-31 21:30:45,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 104 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:45,036 INFO L231 Difference]: Finished difference. Result has 73 places, 78 transitions, 219 flow [2023-08-31 21:30:45,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=73, PETRI_TRANSITIONS=78} [2023-08-31 21:30:45,037 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -18 predicate places. [2023-08-31 21:30:45,037 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 78 transitions, 219 flow [2023-08-31 21:30:45,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.0) internal successors, (915), 3 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:45,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:45,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:30:45,038 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:45,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:45,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1403430701, now seen corresponding path program 1 times [2023-08-31 21:30:45,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:45,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040349460] [2023-08-31 21:30:45,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:45,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:45,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:45,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040349460] [2023-08-31 21:30:45,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040349460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:45,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:45,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:45,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93462757] [2023-08-31 21:30:45,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:45,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:45,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:45,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:45,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:45,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 615 [2023-08-31 21:30:45,084 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 78 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:45,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 615 [2023-08-31 21:30:45,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:45,459 INFO L130 PetriNetUnfolder]: 2392/4204 cut-off events. [2023-08-31 21:30:45,459 INFO L131 PetriNetUnfolder]: For 843/843 co-relation queries the response was YES. [2023-08-31 21:30:45,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8722 conditions, 4204 events. 2392/4204 cut-off events. For 843/843 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 26593 event pairs, 664 based on Foata normal form. 0/3510 useless extension candidates. Maximal degree in co-relation 8714. Up to 2108 conditions per place. [2023-08-31 21:30:45,484 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 89 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2023-08-31 21:30:45,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 116 transitions, 519 flow [2023-08-31 21:30:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2023-08-31 21:30:45,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273712737127372 [2023-08-31 21:30:45,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions. [2023-08-31 21:30:45,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions. [2023-08-31 21:30:45,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:45,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions. [2023-08-31 21:30:45,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,496 INFO L175 Difference]: Start difference. First operand has 73 places, 78 transitions, 219 flow. Second operand 3 states and 973 transitions. [2023-08-31 21:30:45,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 116 transitions, 519 flow [2023-08-31 21:30:45,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:45,518 INFO L231 Difference]: Finished difference. Result has 70 places, 78 transitions, 233 flow [2023-08-31 21:30:45,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=70, PETRI_TRANSITIONS=78} [2023-08-31 21:30:45,519 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2023-08-31 21:30:45,519 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 78 transitions, 233 flow [2023-08-31 21:30:45,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:45,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:45,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:30:45,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:45,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash -103721410, now seen corresponding path program 1 times [2023-08-31 21:30:45,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:45,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109788032] [2023-08-31 21:30:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:45,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:45,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109788032] [2023-08-31 21:30:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109788032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:45,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:30:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736560607] [2023-08-31 21:30:45,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:45,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:45,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:45,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:45,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 615 [2023-08-31 21:30:45,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 78 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:45,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:45,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 615 [2023-08-31 21:30:45,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:46,110 INFO L130 PetriNetUnfolder]: 2863/5384 cut-off events. [2023-08-31 21:30:46,111 INFO L131 PetriNetUnfolder]: For 930/930 co-relation queries the response was YES. [2023-08-31 21:30:46,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11036 conditions, 5384 events. 2863/5384 cut-off events. For 930/930 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 37766 event pairs, 1197 based on Foata normal form. 0/4423 useless extension candidates. Maximal degree in co-relation 11028. Up to 2801 conditions per place. [2023-08-31 21:30:46,141 INFO L137 encePairwiseOnDemand]: 611/615 looper letters, 80 selfloop transitions, 3 changer transitions 0/114 dead transitions. [2023-08-31 21:30:46,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 114 transitions, 511 flow [2023-08-31 21:30:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:46,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2023-08-31 21:30:46,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317073170731708 [2023-08-31 21:30:46,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 981 transitions. [2023-08-31 21:30:46,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 981 transitions. [2023-08-31 21:30:46,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:46,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 981 transitions. [2023-08-31 21:30:46,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,151 INFO L175 Difference]: Start difference. First operand has 70 places, 78 transitions, 233 flow. Second operand 3 states and 981 transitions. [2023-08-31 21:30:46,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 114 transitions, 511 flow [2023-08-31 21:30:46,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 114 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:46,156 INFO L231 Difference]: Finished difference. Result has 74 places, 80 transitions, 255 flow [2023-08-31 21:30:46,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=74, PETRI_TRANSITIONS=80} [2023-08-31 21:30:46,157 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -17 predicate places. [2023-08-31 21:30:46,158 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 80 transitions, 255 flow [2023-08-31 21:30:46,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:46,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:46,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:30:46,159 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-08-31 21:30:46,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:46,167 INFO L85 PathProgramCache]: Analyzing trace with hash -77146855, now seen corresponding path program 1 times [2023-08-31 21:30:46,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:46,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493153803] [2023-08-31 21:30:46,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:30:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:46,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493153803] [2023-08-31 21:30:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493153803] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:46,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:46,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:46,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044954207] [2023-08-31 21:30:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:46,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:46,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:46,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:46,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:46,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 615 [2023-08-31 21:30:46,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 80 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:46,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 615 [2023-08-31 21:30:46,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:46,786 INFO L130 PetriNetUnfolder]: 3831/6271 cut-off events. [2023-08-31 21:30:46,786 INFO L131 PetriNetUnfolder]: For 1686/1686 co-relation queries the response was YES. [2023-08-31 21:30:46,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14514 conditions, 6271 events. 3831/6271 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 37717 event pairs, 1095 based on Foata normal form. 0/5571 useless extension candidates. Maximal degree in co-relation 14504. Up to 3438 conditions per place. [2023-08-31 21:30:46,812 INFO L137 encePairwiseOnDemand]: 607/615 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2023-08-31 21:30:46,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 120 transitions, 582 flow [2023-08-31 21:30:46,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:30:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:30:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions. [2023-08-31 21:30:46,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273712737127372 [2023-08-31 21:30:46,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions. [2023-08-31 21:30:46,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions. [2023-08-31 21:30:46,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:46,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions. [2023-08-31 21:30:46,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 615.0) internal successors, (2460), 4 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,823 INFO L175 Difference]: Start difference. First operand has 74 places, 80 transitions, 255 flow. Second operand 3 states and 973 transitions. [2023-08-31 21:30:46,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 120 transitions, 582 flow [2023-08-31 21:30:46,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 120 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:46,834 INFO L231 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2023-08-31 21:30:46,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=615, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2023-08-31 21:30:46,835 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2023-08-31 21:30:46,835 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2023-08-31 21:30:46,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.3333333333333) internal successors, (895), 3 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2023-08-31 21:30:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2023-08-31 21:30:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2023-08-31 21:30:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2023-08-31 21:30:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2023-08-31 21:30:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2023-08-31 21:30:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2023-08-31 21:30:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2023-08-31 21:30:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2023-08-31 21:30:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2023-08-31 21:30:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2023-08-31 21:30:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2023-08-31 21:30:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2023-08-31 21:30:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2023-08-31 21:30:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2023-08-31 21:30:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2023-08-31 21:30:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2023-08-31 21:30:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2023-08-31 21:30:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2023-08-31 21:30:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2023-08-31 21:30:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2023-08-31 21:30:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2023-08-31 21:30:46,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2023-08-31 21:30:46,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2023-08-31 21:30:46,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2023-08-31 21:30:46,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2023-08-31 21:30:46,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2023-08-31 21:30:46,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2023-08-31 21:30:46,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2023-08-31 21:30:46,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2023-08-31 21:30:46,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2023-08-31 21:30:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2023-08-31 21:30:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2023-08-31 21:30:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2023-08-31 21:30:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2023-08-31 21:30:46,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2023-08-31 21:30:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2023-08-31 21:30:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2023-08-31 21:30:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2023-08-31 21:30:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2023-08-31 21:30:46,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2023-08-31 21:30:46,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2023-08-31 21:30:46,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2023-08-31 21:30:46,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2023-08-31 21:30:46,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2023-08-31 21:30:46,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2023-08-31 21:30:46,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2023-08-31 21:30:46,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2023-08-31 21:30:46,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2023-08-31 21:30:46,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2023-08-31 21:30:46,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2023-08-31 21:30:46,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2023-08-31 21:30:46,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2023-08-31 21:30:46,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:30:46,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:30:46,856 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:30:46,856 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:30:46,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:30:46 BasicIcfg [2023-08-31 21:30:46,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:30:46,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:30:46,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:30:46,861 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:30:46,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:30:36" (3/4) ... [2023-08-31 21:30:46,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:30:46,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:30:46,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:30:46,873 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-31 21:30:46,873 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:30:46,874 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:30:46,874 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:30:46,906 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:30:46,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:30:46,907 INFO L158 Benchmark]: Toolchain (without parser) took 11421.63ms. Allocated memory was 81.8MB in the beginning and 480.2MB in the end (delta: 398.5MB). Free memory was 60.4MB in the beginning and 216.3MB in the end (delta: -156.0MB). Peak memory consumption was 245.2MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,907 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:30:46,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.09ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 48.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 81.8MB. Free memory was 48.4MB in the beginning and 46.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,908 INFO L158 Benchmark]: Boogie Preprocessor took 53.51ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,908 INFO L158 Benchmark]: RCFGBuilder took 639.27ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 43.2MB in the end (delta: 1.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,908 INFO L158 Benchmark]: TraceAbstraction took 10380.91ms. Allocated memory was 81.8MB in the beginning and 480.2MB in the end (delta: 398.5MB). Free memory was 42.6MB in the beginning and 219.5MB in the end (delta: -176.9MB). Peak memory consumption was 221.9MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,909 INFO L158 Benchmark]: Witness Printer took 45.85ms. Allocated memory is still 480.2MB. Free memory was 219.5MB in the beginning and 216.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:30:46,910 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 60.8MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.09ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 48.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 81.8MB. Free memory was 48.4MB in the beginning and 46.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.51ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.27ms. Allocated memory is still 81.8MB. Free memory was 44.2MB in the beginning and 43.2MB in the end (delta: 1.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10380.91ms. Allocated memory was 81.8MB in the beginning and 480.2MB in the end (delta: 398.5MB). Free memory was 42.6MB in the beginning and 219.5MB in the end (delta: -176.9MB). Peak memory consumption was 221.9MB. Max. memory is 16.1GB. * Witness Printer took 45.85ms. Allocated memory is still 480.2MB. Free memory was 219.5MB in the beginning and 216.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 287 PlacesBefore, 91 PlacesAfterwards, 300 TransitionsBefore, 98 TransitionsAfterwards, 21716 CoEnabledTransitionPairs, 8 FixpointIterations, 110 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 43 ConcurrentYvCompositions, 6 ChoiceCompositions, 295 TotalNumberOfCompositions, 76618 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26689, independent: 25605, independent conditional: 0, independent unconditional: 25605, dependent: 1084, dependent conditional: 0, dependent unconditional: 1084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12222, independent: 12096, independent conditional: 0, independent unconditional: 12096, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26689, independent: 13509, independent conditional: 0, independent unconditional: 13509, dependent: 958, dependent conditional: 0, dependent unconditional: 958, unknown: 12222, unknown conditional: 0, unknown unconditional: 12222] , Statistics on independence cache: Total cache size (in pairs): 856, Positive cache size: 773, Positive conditional cache size: 0, Positive unconditional cache size: 773, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 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: 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: 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 465 locations, 58 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: 10.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 857 IncrementalHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 57 mSDtfsCounter, 857 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=8, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:30:46,936 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