./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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-simpl-str-subst.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 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:55:48,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:55:48,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:55:48,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:55:48,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:55:48,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:55:48,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:55:48,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:55:48,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:55:48,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:55:48,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:55:48,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:55:48,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:55:48,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:55:48,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:55:48,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:55:48,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:55:48,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:55:48,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:55:48,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:55:48,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:55:48,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:55:48,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:55:48,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:55:48,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:55:48,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:55:48,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:55:48,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:55:48,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:55:48,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:55:48,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:55:48,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:55:48,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:55:48,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:55:48,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:55:48,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:55:48,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:55:48,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:55:48,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:55:48,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:55:48,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:55:48,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:55:48,671 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:55:48,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:55:48,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:55:48,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:55:48,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:55:48,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:55:48,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:55:48,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:55:48,674 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:55:48,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:55:48,674 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:55:48,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:55:48,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:55:48,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:55:48,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:55:48,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:55:48,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:55:48,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:55:48,678 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:55:48,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:55:48,678 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:55:48,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:55:48,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:55:48,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:55:48,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:55:48,949 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:55:48,950 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:55:48,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c [2023-08-29 18:55:49,857 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:55:50,039 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:55:50,040 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-subst.wvr.c [2023-08-29 18:55:50,044 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433ba861a/5ad38d0a248c47beae6e757f45c03dd0/FLAG7cbf9084f [2023-08-29 18:55:50,055 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433ba861a/5ad38d0a248c47beae6e757f45c03dd0 [2023-08-29 18:55:50,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:55:50,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:55:50,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:55:50,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:55:50,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:55:50,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3ee41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50, skipping insertion in model container [2023-08-29 18:55:50,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:55:50,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:55:50,175 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-simpl-str-subst.wvr.c[2575,2588] [2023-08-29 18:55:50,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:55:50,184 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:55:50,213 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-simpl-str-subst.wvr.c[2575,2588] [2023-08-29 18:55:50,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:55:50,224 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:55:50,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50 WrapperNode [2023-08-29 18:55:50,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:55:50,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:55:50,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:55:50,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:55:50,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,258 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 268 [2023-08-29 18:55:50,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:55:50,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:55:50,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:55:50,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:55:50,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:55:50,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:55:50,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:55:50,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:55:50,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (1/1) ... [2023-08-29 18:55:50,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:55:50,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:55:50,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:55:50,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:55:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:55:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:55:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:55:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:55:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:55:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:55:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:55:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:55:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:55:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:55:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:55:50,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:55:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:55:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:55:50,367 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:55:50,487 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:55:50,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:55:50,822 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:55:50,830 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:55:50,830 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:55:50,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:55:50 BoogieIcfgContainer [2023-08-29 18:55:50,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:55:50,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:55:50,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:55:50,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:55:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:55:50" (1/3) ... [2023-08-29 18:55:50,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29871f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:55:50, skipping insertion in model container [2023-08-29 18:55:50,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:55:50" (2/3) ... [2023-08-29 18:55:50,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29871f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:55:50, skipping insertion in model container [2023-08-29 18:55:50,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:55:50" (3/3) ... [2023-08-29 18:55:50,837 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-subst.wvr.c [2023-08-29 18:55:50,841 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:55:50,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:55:50,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-29 18:55:50,847 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:55:50,919 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:55:50,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 327 transitions, 678 flow [2023-08-29 18:55:51,076 INFO L130 PetriNetUnfolder]: 15/324 cut-off events. [2023-08-29 18:55:51,077 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:55:51,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 324 events. 15/324 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 728 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2023-08-29 18:55:51,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 327 transitions, 678 flow [2023-08-29 18:55:51,095 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 304 transitions, 626 flow [2023-08-29 18:55:51,097 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:55:51,103 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 304 transitions, 626 flow [2023-08-29 18:55:51,104 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 304 transitions, 626 flow [2023-08-29 18:55:51,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 301 places, 304 transitions, 626 flow [2023-08-29 18:55:51,164 INFO L130 PetriNetUnfolder]: 13/304 cut-off events. [2023-08-29 18:55:51,164 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:55:51,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 304 events. 13/304 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 708 event pairs, 0 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2023-08-29 18:55:51,173 INFO L119 LiptonReduction]: Number of co-enabled transitions 25272 [2023-08-29 18:55:56,799 INFO L134 LiptonReduction]: Checked pairs total: 74166 [2023-08-29 18:55:56,800 INFO L136 LiptonReduction]: Total number of compositions: 300 [2023-08-29 18:55:56,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:55:56,817 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;@7fbb9ee6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:55:56,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2023-08-29 18:55:56,818 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:55:56,819 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:55:56,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:56,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:55:56,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:56,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1202, now seen corresponding path program 1 times [2023-08-29 18:55:56,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:56,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778315282] [2023-08-29 18:55:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:56,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:56,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778315282] [2023-08-29 18:55:56,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778315282] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:56,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:56,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:55:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350628995] [2023-08-29 18:55:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:56,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:55:56,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:56,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:55:56,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:55:56,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 627 [2023-08-29 18:55:56,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 312.5) internal successors, (625), 2 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:56,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:56,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 627 [2023-08-29 18:55:56,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:57,120 INFO L130 PetriNetUnfolder]: 1661/2651 cut-off events. [2023-08-29 18:55:57,120 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-08-29 18:55:57,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5048 conditions, 2651 events. 1661/2651 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 15912 event pairs, 1125 based on Foata normal form. 74/2039 useless extension candidates. Maximal degree in co-relation 4460. Up to 2264 conditions per place. [2023-08-29 18:55:57,135 INFO L137 encePairwiseOnDemand]: 611/627 looper letters, 32 selfloop transitions, 0 changer transitions 1/67 dead transitions. [2023-08-29 18:55:57,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 218 flow [2023-08-29 18:55:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:55:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:55:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 673 transitions. [2023-08-29 18:55:57,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5366826156299841 [2023-08-29 18:55:57,150 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 673 transitions. [2023-08-29 18:55:57,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 673 transitions. [2023-08-29 18:55:57,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:57,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 673 transitions. [2023-08-29 18:55:57,158 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) [2023-08-29 18:55:57,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,164 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 627.0) internal successors, (1881), 3 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,165 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 673 transitions. [2023-08-29 18:55:57,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 218 flow [2023-08-29 18:55:57,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 67 transitions, 206 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:55:57,172 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 137 flow [2023-08-29 18:55:57,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=137, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-29 18:55:57,176 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-29 18:55:57,176 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 137 flow [2023-08-29 18:55:57,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 312.5) internal successors, (625), 2 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:57,178 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 18:55:57,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:55:57,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:57,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:57,182 INFO L85 PathProgramCache]: Analyzing trace with hash 37032849, now seen corresponding path program 1 times [2023-08-29 18:55:57,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:57,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640406082] [2023-08-29 18:55:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:57,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640406082] [2023-08-29 18:55:57,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640406082] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:57,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:57,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854431491] [2023-08-29 18:55:57,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:57,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:57,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:57,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:57,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:57,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-29 18:55:57,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:57,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-29 18:55:57,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:57,543 INFO L130 PetriNetUnfolder]: 2453/4553 cut-off events. [2023-08-29 18:55:57,544 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 18:55:57,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7971 conditions, 4553 events. 2453/4553 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 33670 event pairs, 581 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 7968. Up to 3324 conditions per place. [2023-08-29 18:55:57,563 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 47 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-29 18:55:57,563 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 261 flow [2023-08-29 18:55:57,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2023-08-29 18:55:57,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5135566188197768 [2023-08-29 18:55:57,566 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 966 transitions. [2023-08-29 18:55:57,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 966 transitions. [2023-08-29 18:55:57,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:57,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 966 transitions. [2023-08-29 18:55:57,568 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) [2023-08-29 18:55:57,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,572 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 137 flow. Second operand 3 states and 966 transitions. [2023-08-29 18:55:57,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 261 flow [2023-08-29 18:55:57,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 261 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:57,574 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 147 flow [2023-08-29 18:55:57,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-29 18:55:57,575 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-29 18:55:57,575 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 147 flow [2023-08-29 18:55:57,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:57,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:55:57,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:55:57,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:57,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1228861489, now seen corresponding path program 1 times [2023-08-29 18:55:57,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:57,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186124285] [2023-08-29 18:55:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:57,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:57,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186124285] [2023-08-29 18:55:57,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186124285] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:57,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:57,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:57,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888728353] [2023-08-29 18:55:57,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:57,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:57,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:57,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:57,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:57,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 627 [2023-08-29 18:55:57,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:57,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 627 [2023-08-29 18:55:57,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:57,884 INFO L130 PetriNetUnfolder]: 2051/3736 cut-off events. [2023-08-29 18:55:57,884 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-29 18:55:57,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 3736 events. 2051/3736 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 26475 event pairs, 330 based on Foata normal form. 0/3030 useless extension candidates. Maximal degree in co-relation 6607. Up to 2724 conditions per place. [2023-08-29 18:55:57,899 INFO L137 encePairwiseOnDemand]: 621/627 looper letters, 45 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2023-08-29 18:55:57,899 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 269 flow [2023-08-29 18:55:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-08-29 18:55:57,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5087719298245614 [2023-08-29 18:55:57,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-08-29 18:55:57,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-08-29 18:55:57,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:57,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-08-29 18:55:57,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,907 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 147 flow. Second operand 3 states and 957 transitions. [2023-08-29 18:55:57,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 269 flow [2023-08-29 18:55:57,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 269 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:57,909 INFO L231 Difference]: Finished difference. Result has 66 places, 66 transitions, 162 flow [2023-08-29 18:55:57,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=66, PETRI_TRANSITIONS=66} [2023-08-29 18:55:57,911 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-29 18:55:57,913 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 66 transitions, 162 flow [2023-08-29 18:55:57,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:57,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:57,914 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:55:57,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:55:57,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:57,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:57,915 INFO L85 PathProgramCache]: Analyzing trace with hash -559986524, now seen corresponding path program 1 times [2023-08-29 18:55:57,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:57,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273579156] [2023-08-29 18:55:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:57,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273579156] [2023-08-29 18:55:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273579156] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:57,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:57,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:57,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493524232] [2023-08-29 18:55:57,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:57,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:57,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:57,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:57,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 627 [2023-08-29 18:55:57,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 162 flow. Second operand has 3 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) [2023-08-29 18:55:57,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:57,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 627 [2023-08-29 18:55:57,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:58,199 INFO L130 PetriNetUnfolder]: 1976/3147 cut-off events. [2023-08-29 18:55:58,200 INFO L131 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2023-08-29 18:55:58,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6179 conditions, 3147 events. 1976/3147 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 19285 event pairs, 949 based on Foata normal form. 0/2292 useless extension candidates. Maximal degree in co-relation 6174. Up to 2163 conditions per place. [2023-08-29 18:55:58,212 INFO L137 encePairwiseOnDemand]: 622/627 looper letters, 49 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2023-08-29 18:55:58,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 84 transitions, 306 flow [2023-08-29 18:55:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2023-08-29 18:55:58,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5156831472620946 [2023-08-29 18:55:58,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 970 transitions. [2023-08-29 18:55:58,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 970 transitions. [2023-08-29 18:55:58,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:58,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 970 transitions. [2023-08-29 18:55:58,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,219 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,220 INFO L175 Difference]: Start difference. First operand has 66 places, 66 transitions, 162 flow. Second operand 3 states and 970 transitions. [2023-08-29 18:55:58,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 84 transitions, 306 flow [2023-08-29 18:55:58,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 84 transitions, 306 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:58,221 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 168 flow [2023-08-29 18:55:58,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2023-08-29 18:55:58,222 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2023-08-29 18:55:58,222 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 168 flow [2023-08-29 18:55:58,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-08-29 18:55:58,223 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:58,223 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:55:58,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:55:58,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:58,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2125508702, now seen corresponding path program 1 times [2023-08-29 18:55:58,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:58,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037481946] [2023-08-29 18:55:58,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:58,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:58,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037481946] [2023-08-29 18:55:58,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037481946] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:58,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:58,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:58,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538368233] [2023-08-29 18:55:58,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:58,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:58,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:58,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:58,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:58,275 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 627 [2023-08-29 18:55:58,276 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:58,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 627 [2023-08-29 18:55:58,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:58,637 INFO L130 PetriNetUnfolder]: 3726/6312 cut-off events. [2023-08-29 18:55:58,637 INFO L131 PetriNetUnfolder]: For 926/926 co-relation queries the response was YES. [2023-08-29 18:55:58,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12676 conditions, 6312 events. 3726/6312 cut-off events. For 926/926 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 43537 event pairs, 627 based on Foata normal form. 0/5018 useless extension candidates. Maximal degree in co-relation 12670. Up to 4490 conditions per place. [2023-08-29 18:55:58,662 INFO L137 encePairwiseOnDemand]: 619/627 looper letters, 57 selfloop transitions, 4 changer transitions 0/83 dead transitions. [2023-08-29 18:55:58,663 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 83 transitions, 346 flow [2023-08-29 18:55:58,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2023-08-29 18:55:58,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5093035619351409 [2023-08-29 18:55:58,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2023-08-29 18:55:58,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2023-08-29 18:55:58,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:58,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2023-08-29 18:55:58,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,671 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 168 flow. Second operand 3 states and 958 transitions. [2023-08-29 18:55:58,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 83 transitions, 346 flow [2023-08-29 18:55:58,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 83 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:55:58,680 INFO L231 Difference]: Finished difference. Result has 64 places, 65 transitions, 180 flow [2023-08-29 18:55:58,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=64, PETRI_TRANSITIONS=65} [2023-08-29 18:55:58,682 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2023-08-29 18:55:58,682 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 65 transitions, 180 flow [2023-08-29 18:55:58,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:58,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:55:58,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:55:58,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:58,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:58,683 INFO L85 PathProgramCache]: Analyzing trace with hash -179805762, now seen corresponding path program 1 times [2023-08-29 18:55:58,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:58,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107471972] [2023-08-29 18:55:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:58,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:58,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107471972] [2023-08-29 18:55:58,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107471972] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:58,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:58,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:58,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906860539] [2023-08-29 18:55:58,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:58,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:58,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:58,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:58,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-29 18:55:58,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:58,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:58,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-29 18:55:58,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:59,087 INFO L130 PetriNetUnfolder]: 4176/6590 cut-off events. [2023-08-29 18:55:59,088 INFO L131 PetriNetUnfolder]: For 199/199 co-relation queries the response was YES. [2023-08-29 18:55:59,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12989 conditions, 6590 events. 4176/6590 cut-off events. For 199/199 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 43078 event pairs, 1067 based on Foata normal form. 0/5198 useless extension candidates. Maximal degree in co-relation 12983. Up to 3412 conditions per place. [2023-08-29 18:55:59,130 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 66 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2023-08-29 18:55:59,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 94 transitions, 388 flow [2023-08-29 18:55:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 981 transitions. [2023-08-29 18:55:59,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5215311004784688 [2023-08-29 18:55:59,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 981 transitions. [2023-08-29 18:55:59,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 981 transitions. [2023-08-29 18:55:59,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:59,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 981 transitions. [2023-08-29 18:55:59,135 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) [2023-08-29 18:55:59,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,139 INFO L175 Difference]: Start difference. First operand has 64 places, 65 transitions, 180 flow. Second operand 3 states and 981 transitions. [2023-08-29 18:55:59,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 94 transitions, 388 flow [2023-08-29 18:55:59,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 94 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:59,141 INFO L231 Difference]: Finished difference. Result has 65 places, 65 transitions, 190 flow [2023-08-29 18:55:59,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=65, PETRI_TRANSITIONS=65} [2023-08-29 18:55:59,141 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-29 18:55:59,141 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 65 transitions, 190 flow [2023-08-29 18:55:59,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:59,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:55:59,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:55:59,142 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:59,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:59,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1466248651, now seen corresponding path program 1 times [2023-08-29 18:55:59,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:59,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910069292] [2023-08-29 18:55:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:59,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:59,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910069292] [2023-08-29 18:55:59,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910069292] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:59,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:59,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:59,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446941894] [2023-08-29 18:55:59,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:59,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:59,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:59,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:59,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:59,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-29 18:55:59,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 65 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:59,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-29 18:55:59,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:55:59,530 INFO L130 PetriNetUnfolder]: 3248/4982 cut-off events. [2023-08-29 18:55:59,530 INFO L131 PetriNetUnfolder]: For 345/349 co-relation queries the response was YES. [2023-08-29 18:55:59,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10457 conditions, 4982 events. 3248/4982 cut-off events. For 345/349 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 30324 event pairs, 1532 based on Foata normal form. 0/3690 useless extension candidates. Maximal degree in co-relation 10450. Up to 3376 conditions per place. [2023-08-29 18:55:59,547 INFO L137 encePairwiseOnDemand]: 622/627 looper letters, 52 selfloop transitions, 4 changer transitions 0/85 dead transitions. [2023-08-29 18:55:59,547 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 85 transitions, 354 flow [2023-08-29 18:55:59,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:55:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:55:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2023-08-29 18:55:59,549 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5140882509303561 [2023-08-29 18:55:59,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 967 transitions. [2023-08-29 18:55:59,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 967 transitions. [2023-08-29 18:55:59,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:55:59,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 967 transitions. [2023-08-29 18:55:59,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,554 INFO L175 Difference]: Start difference. First operand has 65 places, 65 transitions, 190 flow. Second operand 3 states and 967 transitions. [2023-08-29 18:55:59,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 85 transitions, 354 flow [2023-08-29 18:55:59,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 85 transitions, 354 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:55:59,555 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 196 flow [2023-08-29 18:55:59,555 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-08-29 18:55:59,556 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2023-08-29 18:55:59,556 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 196 flow [2023-08-29 18:55:59,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:55:59,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:55:59,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:55:59,557 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:55:59,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:55:59,557 INFO L85 PathProgramCache]: Analyzing trace with hash -994620958, now seen corresponding path program 1 times [2023-08-29 18:55:59,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:55:59,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562720054] [2023-08-29 18:55:59,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:55:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:55:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:55:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:55:59,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:55:59,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562720054] [2023-08-29 18:55:59,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562720054] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:55:59,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:55:59,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:55:59,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399218011] [2023-08-29 18:55:59,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:55:59,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:55:59,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:55:59,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:55:59,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:55:59,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-29 18:55:59,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:55:59,580 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:55:59,580 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-29 18:55:59,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:00,034 INFO L130 PetriNetUnfolder]: 5207/8097 cut-off events. [2023-08-29 18:56:00,035 INFO L131 PetriNetUnfolder]: For 1755/1759 co-relation queries the response was YES. [2023-08-29 18:56:00,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18029 conditions, 8097 events. 5207/8097 cut-off events. For 1755/1759 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 53535 event pairs, 1746 based on Foata normal form. 0/6539 useless extension candidates. Maximal degree in co-relation 18021. Up to 3877 conditions per place. [2023-08-29 18:56:00,065 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 67 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2023-08-29 18:56:00,065 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 93 transitions, 413 flow [2023-08-29 18:56:00,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:00,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 982 transitions. [2023-08-29 18:56:00,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5220627325890483 [2023-08-29 18:56:00,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 982 transitions. [2023-08-29 18:56:00,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 982 transitions. [2023-08-29 18:56:00,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:00,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 982 transitions. [2023-08-29 18:56:00,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,072 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,072 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 196 flow. Second operand 3 states and 982 transitions. [2023-08-29 18:56:00,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 93 transitions, 413 flow [2023-08-29 18:56:00,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 93 transitions, 397 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:56:00,077 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 198 flow [2023-08-29 18:56:00,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2023-08-29 18:56:00,078 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-29 18:56:00,078 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 198 flow [2023-08-29 18:56:00,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:56:00,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:56:00,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:56:00,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2023-08-29 18:56:00,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:56:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1514382091, now seen corresponding path program 1 times [2023-08-29 18:56:00,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:56:00,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501598932] [2023-08-29 18:56:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:56:00,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:56:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:56:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:56:00,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:56:00,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501598932] [2023-08-29 18:56:00,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501598932] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:56:00,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:56:00,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:56:00,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383654173] [2023-08-29 18:56:00,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:56:00,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:56:00,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:56:00,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:56:00,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:56:00,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 627 [2023-08-29 18:56:00,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 198 flow. Second operand has 3 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) [2023-08-29 18:56:00,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:56:00,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 627 [2023-08-29 18:56:00,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:56:00,574 INFO L130 PetriNetUnfolder]: 5369/8084 cut-off events. [2023-08-29 18:56:00,574 INFO L131 PetriNetUnfolder]: For 602/606 co-relation queries the response was YES. [2023-08-29 18:56:00,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17239 conditions, 8084 events. 5369/8084 cut-off events. For 602/606 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 50133 event pairs, 1931 based on Foata normal form. 0/6405 useless extension candidates. Maximal degree in co-relation 17231. Up to 4018 conditions per place. [2023-08-29 18:56:00,589 INFO L137 encePairwiseOnDemand]: 623/627 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2023-08-29 18:56:00,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 93 transitions, 410 flow [2023-08-29 18:56:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:56:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:56:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2023-08-29 18:56:00,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.52046783625731 [2023-08-29 18:56:00,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2023-08-29 18:56:00,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2023-08-29 18:56:00,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:56:00,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2023-08-29 18:56:00,594 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) [2023-08-29 18:56:00,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 627.0) internal successors, (2508), 4 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:56:00,596 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 198 flow. Second operand 3 states and 979 transitions. [2023-08-29 18:56:00,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 93 transitions, 410 flow [2023-08-29 18:56:00,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 93 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:56:00,598 INFO L231 Difference]: Finished difference. Result has 65 places, 0 transitions, 0 flow [2023-08-29 18:56:00,598 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=65, PETRI_TRANSITIONS=0} [2023-08-29 18:56:00,599 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2023-08-29 18:56:00,599 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 0 transitions, 0 flow [2023-08-29 18:56:00,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-08-29 18:56:00,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2023-08-29 18:56:00,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2023-08-29 18:56:00,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2023-08-29 18:56:00,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2023-08-29 18:56:00,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2023-08-29 18:56:00,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2023-08-29 18:56:00,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2023-08-29 18:56:00,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2023-08-29 18:56:00,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2023-08-29 18:56:00,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2023-08-29 18:56:00,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:56:00,609 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:56:00,613 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:56:00,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:56:00,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:56:00 BasicIcfg [2023-08-29 18:56:00,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:56:00,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:56:00,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:56:00,616 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:56:00,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:55:50" (3/4) ... [2023-08-29 18:56:00,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:56:00,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:56:00,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:56:00,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:56:00,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-29 18:56:00,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:56:00,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:56:00,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:56:00,656 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:56:00,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:56:00,657 INFO L158 Benchmark]: Toolchain (without parser) took 10599.34ms. Allocated memory was 100.7MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 79.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 213.4MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,657 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 57.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:56:00,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.47ms. Allocated memory is still 100.7MB. Free memory was 78.7MB in the beginning and 67.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.77ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,657 INFO L158 Benchmark]: Boogie Preprocessor took 40.67ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,658 INFO L158 Benchmark]: RCFGBuilder took 531.72ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 68.3MB in the end (delta: -5.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,658 INFO L158 Benchmark]: TraceAbstraction took 9782.09ms. Allocated memory was 100.7MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 67.4MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 440.8MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,658 INFO L158 Benchmark]: Witness Printer took 40.64ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:56:00,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 57.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.47ms. Allocated memory is still 100.7MB. Free memory was 78.7MB in the beginning and 67.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.77ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 64.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.67ms. Allocated memory is still 100.7MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.72ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 68.3MB in the end (delta: -5.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9782.09ms. Allocated memory was 100.7MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 67.4MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 440.8MB. Max. memory is 16.1GB. * Witness Printer took 40.64ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7s, 301 PlacesBefore, 86 PlacesAfterwards, 304 TransitionsBefore, 83 TransitionsAfterwards, 25272 CoEnabledTransitionPairs, 8 FixpointIterations, 116 TrivialSequentialCompositions, 140 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 36 ConcurrentYvCompositions, 6 ChoiceCompositions, 300 TotalNumberOfCompositions, 74166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41282, independent: 40444, independent conditional: 0, independent unconditional: 40444, dependent: 838, dependent conditional: 0, dependent unconditional: 838, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 14771, independent: 14686, independent conditional: 0, independent unconditional: 14686, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41282, independent: 25758, independent conditional: 0, independent unconditional: 25758, dependent: 753, dependent conditional: 0, dependent unconditional: 753, unknown: 14771, unknown conditional: 0, unknown unconditional: 14771] , Statistics on independence cache: Total cache size (in pairs): 1085, Positive cache size: 1037, Positive conditional cache size: 0, Positive unconditional cache size: 1037, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 469 locations, 53 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: 9.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 724 IncrementalHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 50 mSDtfsCounter, 724 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:56:00,696 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