./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.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 eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:44:42,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:44:42,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:44:42,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:44:42,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:44:42,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:44:42,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:44:42,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:44:42,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:44:42,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:44:42,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:44:42,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:44:42,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:44:42,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:44:42,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:44:42,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:44:42,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:44:42,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:44:42,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:44:42,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:44:42,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:44:42,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:44:42,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:44:42,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:44:42,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:44:42,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:44:42,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:44:42,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:44:42,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:44:42,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:44:42,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:44:42,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:44:42,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:44:42,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:44:42,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:44:42,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:44:42,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:44:42,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:44:42,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:44:42,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:44:42,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:44:42,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:44:42,959 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:44:42,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:44:42,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:44:42,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:44:42,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:44:42,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:44:42,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:44:42,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:44:42,962 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:44:42,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:44:42,963 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:44:42,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:44:42,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:44:42,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:44:42,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:44:42,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:44:42,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:44:42,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:44:42,965 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:44:42,965 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:44:42,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:44:42,965 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:44:42,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:44:42,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:44:42,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:44:42,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:44:42,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:42,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:44:42,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:44:42,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:44:42,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:44:42,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:44:42,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:44:42,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:44:42,968 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:44:42,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:44:42,968 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:44:42,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:44:43,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:44:43,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:44:43,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:44:43,300 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:44:43,300 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:44:43,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2023-08-29 03:44:44,546 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:44:44,764 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:44:44,764 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2023-08-29 03:44:44,770 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52303ee73/08fd00b3342747a4a7caa97ae9b58096/FLAG16a458062 [2023-08-29 03:44:44,786 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52303ee73/08fd00b3342747a4a7caa97ae9b58096 [2023-08-29 03:44:44,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:44:44,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:44:44,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:44,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:44:44,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:44:44,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:44" (1/1) ... [2023-08-29 03:44:44,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e71fadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:44, skipping insertion in model container [2023-08-29 03:44:44,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:44" (1/1) ... [2023-08-29 03:44:44,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:44:44,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:44:45,016 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2023-08-29 03:44:45,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:45,038 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:44:45,080 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c[2690,2703] [2023-08-29 03:44:45,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:45,102 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:45,103 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:45,108 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:44:45,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45 WrapperNode [2023-08-29 03:44:45,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:45,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:45,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:44:45,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:44:45,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,171 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 175 [2023-08-29 03:44:45,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:45,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:44:45,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:44:45,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:44:45,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,233 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:44:45,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:44:45,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:44:45,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:44:45,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (1/1) ... [2023-08-29 03:44:45,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:45,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:44:45,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:44:45,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:44:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:44:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:44:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:44:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:44:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:44:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:44:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:44:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:44:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:44:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:44:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:44:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:44:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:44:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:44:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:44:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:44:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:44:45,363 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:44:45,511 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:44:45,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:44:45,969 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:44:46,088 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:44:46,088 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-29 03:44:46,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:46 BoogieIcfgContainer [2023-08-29 03:44:46,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:44:46,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:44:46,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:44:46,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:44:46,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:44:44" (1/3) ... [2023-08-29 03:44:46,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b582a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:46, skipping insertion in model container [2023-08-29 03:44:46,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:45" (2/3) ... [2023-08-29 03:44:46,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b582a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:46, skipping insertion in model container [2023-08-29 03:44:46,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:46" (3/3) ... [2023-08-29 03:44:46,101 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2023-08-29 03:44:46,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:44:46,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:44:46,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-08-29 03:44:46,115 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:44:46,209 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:44:46,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 272 transitions, 568 flow [2023-08-29 03:44:46,377 INFO L130 PetriNetUnfolder]: 16/269 cut-off events. [2023-08-29 03:44:46,377 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:44:46,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 269 events. 16/269 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 357 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 197. Up to 3 conditions per place. [2023-08-29 03:44:46,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 272 transitions, 568 flow [2023-08-29 03:44:46,395 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 252 transitions, 522 flow [2023-08-29 03:44:46,399 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:44:46,414 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 252 transitions, 522 flow [2023-08-29 03:44:46,417 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 252 transitions, 522 flow [2023-08-29 03:44:46,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 252 transitions, 522 flow [2023-08-29 03:44:46,469 INFO L130 PetriNetUnfolder]: 15/252 cut-off events. [2023-08-29 03:44:46,470 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:44:46,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 252 events. 15/252 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 354 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 197. Up to 3 conditions per place. [2023-08-29 03:44:46,476 INFO L119 LiptonReduction]: Number of co-enabled transitions 6748 [2023-08-29 03:44:53,043 INFO L134 LiptonReduction]: Checked pairs total: 43009 [2023-08-29 03:44:53,043 INFO L136 LiptonReduction]: Total number of compositions: 227 [2023-08-29 03:44:53,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:44:53,061 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;@41269661, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:44:53,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-08-29 03:44:53,063 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:44:53,064 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:44:53,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:53,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:44:53,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:53,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:53,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1035, now seen corresponding path program 1 times [2023-08-29 03:44:53,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:53,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027496211] [2023-08-29 03:44:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:53,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:53,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:53,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027496211] [2023-08-29 03:44:53,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027496211] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:53,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:53,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:44:53,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688842143] [2023-08-29 03:44:53,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:44:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:53,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:44:53,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:44:53,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 499 [2023-08-29 03:44:53,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 88 transitions, 194 flow. Second operand has 2 states, 2 states have (on average 241.5) internal successors, (483), 2 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:53,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 499 [2023-08-29 03:44:53,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:53,564 INFO L130 PetriNetUnfolder]: 1057/2242 cut-off events. [2023-08-29 03:44:53,564 INFO L131 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2023-08-29 03:44:53,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3758 conditions, 2242 events. 1057/2242 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 15278 event pairs, 618 based on Foata normal form. 379/2007 useless extension candidates. Maximal degree in co-relation 3107. Up to 1419 conditions per place. [2023-08-29 03:44:53,583 INFO L137 encePairwiseOnDemand]: 474/499 looper letters, 28 selfloop transitions, 0 changer transitions 1/63 dead transitions. [2023-08-29 03:44:53,584 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 63 transitions, 202 flow [2023-08-29 03:44:53,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:44:53,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:44:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 536 transitions. [2023-08-29 03:44:53,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5370741482965932 [2023-08-29 03:44:53,604 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 536 transitions. [2023-08-29 03:44:53,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 536 transitions. [2023-08-29 03:44:53,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:53,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 536 transitions. [2023-08-29 03:44:53,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 268.0) internal successors, (536), 2 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,620 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 499.0) internal successors, (1497), 3 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,622 INFO L175 Difference]: Start difference. First operand has 89 places, 88 transitions, 194 flow. Second operand 2 states and 536 transitions. [2023-08-29 03:44:53,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 63 transitions, 202 flow [2023-08-29 03:44:53,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 63 transitions, 190 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:44:53,631 INFO L231 Difference]: Finished difference. Result has 62 places, 62 transitions, 129 flow [2023-08-29 03:44:53,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=129, PETRI_PLACES=62, PETRI_TRANSITIONS=62} [2023-08-29 03:44:53,641 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -27 predicate places. [2023-08-29 03:44:53,643 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 62 transitions, 129 flow [2023-08-29 03:44:53,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 241.5) internal successors, (483), 2 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:53,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:53,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:44:53,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:53,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:53,654 INFO L85 PathProgramCache]: Analyzing trace with hash -847906974, now seen corresponding path program 1 times [2023-08-29 03:44:53,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:53,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170489428] [2023-08-29 03:44:53,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:53,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:53,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170489428] [2023-08-29 03:44:53,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170489428] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:53,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:53,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:44:53,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552795631] [2023-08-29 03:44:53,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:53,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:44:53,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:53,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:44:53,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:44:53,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 499 [2023-08-29 03:44:53,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 62 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:53,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:53,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 499 [2023-08-29 03:44:53,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:54,104 INFO L130 PetriNetUnfolder]: 1447/2520 cut-off events. [2023-08-29 03:44:54,105 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 03:44:54,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4605 conditions, 2520 events. 1447/2520 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 13902 event pairs, 1091 based on Foata normal form. 0/1982 useless extension candidates. Maximal degree in co-relation 4602. Up to 2039 conditions per place. [2023-08-29 03:44:54,121 INFO L137 encePairwiseOnDemand]: 495/499 looper letters, 30 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2023-08-29 03:44:54,121 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 59 transitions, 185 flow [2023-08-29 03:44:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:44:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:44:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2023-08-29 03:44:54,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46760187040748163 [2023-08-29 03:44:54,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 700 transitions. [2023-08-29 03:44:54,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 700 transitions. [2023-08-29 03:44:54,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:54,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 700 transitions. [2023-08-29 03:44:54,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,131 INFO L175 Difference]: Start difference. First operand has 62 places, 62 transitions, 129 flow. Second operand 3 states and 700 transitions. [2023-08-29 03:44:54,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 59 transitions, 185 flow [2023-08-29 03:44:54,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 59 transitions, 185 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:54,133 INFO L231 Difference]: Finished difference. Result has 60 places, 59 transitions, 125 flow [2023-08-29 03:44:54,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=60, PETRI_TRANSITIONS=59} [2023-08-29 03:44:54,134 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2023-08-29 03:44:54,134 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 59 transitions, 125 flow [2023-08-29 03:44:54,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,135 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:54,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:54,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:44:54,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:54,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1205354883, now seen corresponding path program 1 times [2023-08-29 03:44:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:54,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344907741] [2023-08-29 03:44:54,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:54,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:54,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:54,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344907741] [2023-08-29 03:44:54,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344907741] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:54,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:54,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:44:54,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191388536] [2023-08-29 03:44:54,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:54,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:44:54,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:54,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:44:54,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:44:54,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 499 [2023-08-29 03:44:54,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 59 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:54,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 499 [2023-08-29 03:44:54,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:54,529 INFO L130 PetriNetUnfolder]: 1575/2861 cut-off events. [2023-08-29 03:44:54,529 INFO L131 PetriNetUnfolder]: For 45/65 co-relation queries the response was YES. [2023-08-29 03:44:54,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5054 conditions, 2861 events. 1575/2861 cut-off events. For 45/65 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 18074 event pairs, 278 based on Foata normal form. 5/2112 useless extension candidates. Maximal degree in co-relation 5050. Up to 1715 conditions per place. [2023-08-29 03:44:54,547 INFO L137 encePairwiseOnDemand]: 496/499 looper letters, 47 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-29 03:44:54,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 78 transitions, 265 flow [2023-08-29 03:44:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:44:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:44:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2023-08-29 03:44:54,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5083500334001336 [2023-08-29 03:44:54,550 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2023-08-29 03:44:54,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2023-08-29 03:44:54,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:54,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2023-08-29 03:44:54,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,556 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 499.0) internal successors, (1996), 4 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,556 INFO L175 Difference]: Start difference. First operand has 60 places, 59 transitions, 125 flow. Second operand 3 states and 761 transitions. [2023-08-29 03:44:54,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 78 transitions, 265 flow [2023-08-29 03:44:54,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 78 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:44:54,558 INFO L231 Difference]: Finished difference. Result has 61 places, 60 transitions, 136 flow [2023-08-29 03:44:54,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=61, PETRI_TRANSITIONS=60} [2023-08-29 03:44:54,559 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -28 predicate places. [2023-08-29 03:44:54,559 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 60 transitions, 136 flow [2023-08-29 03:44:54,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:54,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:54,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:54,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:44:54,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:54,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:54,561 INFO L85 PathProgramCache]: Analyzing trace with hash -573185387, now seen corresponding path program 1 times [2023-08-29 03:44:54,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:54,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591754104] [2023-08-29 03:44:54,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:55,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:55,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591754104] [2023-08-29 03:44:55,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591754104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:55,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:55,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:44:55,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824795002] [2023-08-29 03:44:55,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:55,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:44:55,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:55,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:44:55,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:44:55,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 03:44:55,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 136 flow. Second operand has 6 states, 6 states have (on average 226.33333333333334) internal successors, (1358), 6 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:55,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:55,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 03:44:55,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:56,251 INFO L130 PetriNetUnfolder]: 6571/9314 cut-off events. [2023-08-29 03:44:56,251 INFO L131 PetriNetUnfolder]: For 781/799 co-relation queries the response was YES. [2023-08-29 03:44:56,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19028 conditions, 9314 events. 6571/9314 cut-off events. For 781/799 co-relation queries the response was YES. Maximal size of possible extension queue 511. Compared 54837 event pairs, 1640 based on Foata normal form. 3/6533 useless extension candidates. Maximal degree in co-relation 19024. Up to 4511 conditions per place. [2023-08-29 03:44:56,309 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 91 selfloop transitions, 13 changer transitions 0/128 dead transitions. [2023-08-29 03:44:56,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 128 transitions, 522 flow [2023-08-29 03:44:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:44:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:44:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1439 transitions. [2023-08-29 03:44:56,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48062792251169006 [2023-08-29 03:44:56,314 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1439 transitions. [2023-08-29 03:44:56,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1439 transitions. [2023-08-29 03:44:56,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:56,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1439 transitions. [2023-08-29 03:44:56,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.83333333333334) internal successors, (1439), 6 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:56,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:56,325 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:56,325 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 136 flow. Second operand 6 states and 1439 transitions. [2023-08-29 03:44:56,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 128 transitions, 522 flow [2023-08-29 03:44:56,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 128 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:56,328 INFO L231 Difference]: Finished difference. Result has 71 places, 72 transitions, 246 flow [2023-08-29 03:44:56,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=246, PETRI_PLACES=71, PETRI_TRANSITIONS=72} [2023-08-29 03:44:56,329 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -18 predicate places. [2023-08-29 03:44:56,330 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 72 transitions, 246 flow [2023-08-29 03:44:56,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.33333333333334) internal successors, (1358), 6 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:56,331 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:56,331 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:56,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:44:56,331 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:56,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:56,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1309380761, now seen corresponding path program 1 times [2023-08-29 03:44:56,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:56,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700441685] [2023-08-29 03:44:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:56,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:56,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700441685] [2023-08-29 03:44:56,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700441685] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:56,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:56,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:44:56,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720305095] [2023-08-29 03:44:56,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:56,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:44:56,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:44:56,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:44:56,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 03:44:56,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 72 transitions, 246 flow. Second operand has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:56,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:56,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 03:44:56,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:57,423 INFO L130 PetriNetUnfolder]: 4697/8390 cut-off events. [2023-08-29 03:44:57,424 INFO L131 PetriNetUnfolder]: For 4070/4653 co-relation queries the response was YES. [2023-08-29 03:44:57,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18270 conditions, 8390 events. 4697/8390 cut-off events. For 4070/4653 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 62482 event pairs, 1816 based on Foata normal form. 15/6374 useless extension candidates. Maximal degree in co-relation 18261. Up to 4029 conditions per place. [2023-08-29 03:44:57,482 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 91 selfloop transitions, 7 changer transitions 0/131 dead transitions. [2023-08-29 03:44:57,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 131 transitions, 689 flow [2023-08-29 03:44:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:44:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:44:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1191 transitions. [2023-08-29 03:44:57,487 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4773547094188377 [2023-08-29 03:44:57,487 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1191 transitions. [2023-08-29 03:44:57,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1191 transitions. [2023-08-29 03:44:57,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:57,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1191 transitions. [2023-08-29 03:44:57,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 238.2) internal successors, (1191), 5 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:57,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 499.0) internal successors, (2994), 6 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:57,496 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 499.0) internal successors, (2994), 6 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:57,496 INFO L175 Difference]: Start difference. First operand has 71 places, 72 transitions, 246 flow. Second operand 5 states and 1191 transitions. [2023-08-29 03:44:57,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 131 transitions, 689 flow [2023-08-29 03:44:57,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 131 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:57,520 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 290 flow [2023-08-29 03:44:57,520 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=290, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2023-08-29 03:44:57,523 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -11 predicate places. [2023-08-29 03:44:57,523 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 290 flow [2023-08-29 03:44:57,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:57,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:57,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:57,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:44:57,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:57,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:57,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1430455138, now seen corresponding path program 1 times [2023-08-29 03:44:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:57,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475461525] [2023-08-29 03:44:57,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:57,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:44:57,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:57,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475461525] [2023-08-29 03:44:57,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475461525] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:57,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:57,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:44:57,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975722573] [2023-08-29 03:44:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:57,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:44:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:44:57,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:44:58,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 03:44:58,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:58,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:58,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 03:44:58,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:59,597 INFO L130 PetriNetUnfolder]: 8538/13866 cut-off events. [2023-08-29 03:44:59,597 INFO L131 PetriNetUnfolder]: For 7356/7958 co-relation queries the response was YES. [2023-08-29 03:44:59,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31320 conditions, 13866 events. 8538/13866 cut-off events. For 7356/7958 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 99799 event pairs, 3538 based on Foata normal form. 9/10712 useless extension candidates. Maximal degree in co-relation 31307. Up to 9387 conditions per place. [2023-08-29 03:44:59,766 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 100 selfloop transitions, 25 changer transitions 0/153 dead transitions. [2023-08-29 03:44:59,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 153 transitions, 812 flow [2023-08-29 03:44:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:44:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:44:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1433 transitions. [2023-08-29 03:44:59,771 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.478623914495658 [2023-08-29 03:44:59,771 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1433 transitions. [2023-08-29 03:44:59,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1433 transitions. [2023-08-29 03:44:59,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:59,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1433 transitions. [2023-08-29 03:44:59,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:59,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:59,780 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:59,780 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 290 flow. Second operand 6 states and 1433 transitions. [2023-08-29 03:44:59,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 153 transitions, 812 flow [2023-08-29 03:44:59,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 153 transitions, 812 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:59,798 INFO L231 Difference]: Finished difference. Result has 87 places, 101 transitions, 548 flow [2023-08-29 03:44:59,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=548, PETRI_PLACES=87, PETRI_TRANSITIONS=101} [2023-08-29 03:44:59,800 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -2 predicate places. [2023-08-29 03:44:59,801 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 101 transitions, 548 flow [2023-08-29 03:44:59,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.33333333333334) internal successors, (1352), 6 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:59,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:59,802 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:44:59,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:44:59,803 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:44:59,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:59,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1284370709, now seen corresponding path program 1 times [2023-08-29 03:44:59,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:59,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979994237] [2023-08-29 03:44:59,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:59,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:59,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979994237] [2023-08-29 03:44:59,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979994237] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:59,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:59,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 03:44:59,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680481814] [2023-08-29 03:44:59,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:59,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:44:59,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:44:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 03:45:00,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 499 [2023-08-29 03:45:00,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 101 transitions, 548 flow. Second operand has 5 states, 5 states have (on average 230.4) internal successors, (1152), 5 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:00,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:00,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 499 [2023-08-29 03:45:00,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:00,921 INFO L130 PetriNetUnfolder]: 4972/8828 cut-off events. [2023-08-29 03:45:00,921 INFO L131 PetriNetUnfolder]: For 8507/9389 co-relation queries the response was YES. [2023-08-29 03:45:00,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21678 conditions, 8828 events. 4972/8828 cut-off events. For 8507/9389 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 67072 event pairs, 2265 based on Foata normal form. 80/7000 useless extension candidates. Maximal degree in co-relation 21660. Up to 6067 conditions per place. [2023-08-29 03:45:00,983 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 117 selfloop transitions, 9 changer transitions 0/163 dead transitions. [2023-08-29 03:45:00,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 163 transitions, 946 flow [2023-08-29 03:45:00,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:45:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:45:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1693 transitions. [2023-08-29 03:45:00,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48468365302032634 [2023-08-29 03:45:00,988 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1693 transitions. [2023-08-29 03:45:00,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1693 transitions. [2023-08-29 03:45:00,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:00,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1693 transitions. [2023-08-29 03:45:00,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 241.85714285714286) internal successors, (1693), 7 states have internal predecessors, (1693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:00,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:00,998 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:00,998 INFO L175 Difference]: Start difference. First operand has 87 places, 101 transitions, 548 flow. Second operand 7 states and 1693 transitions. [2023-08-29 03:45:00,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 163 transitions, 946 flow [2023-08-29 03:45:01,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 163 transitions, 906 flow, removed 20 selfloop flow, removed 0 redundant places. [2023-08-29 03:45:01,023 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 548 flow [2023-08-29 03:45:01,024 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=548, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2023-08-29 03:45:01,024 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 7 predicate places. [2023-08-29 03:45:01,024 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 548 flow [2023-08-29 03:45:01,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 230.4) internal successors, (1152), 5 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:01,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:01,025 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:01,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:45:01,026 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:01,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:01,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1008125510, now seen corresponding path program 1 times [2023-08-29 03:45:01,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:01,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470873695] [2023-08-29 03:45:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:01,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:01,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:01,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470873695] [2023-08-29 03:45:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470873695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:01,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:01,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 03:45:01,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059730148] [2023-08-29 03:45:01,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:01,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 03:45:01,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:01,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 03:45:01,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 03:45:02,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 03:45:02,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 548 flow. Second operand has 10 states, 10 states have (on average 217.8) internal successors, (2178), 10 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:02,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:02,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 03:45:02,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:03,644 INFO L130 PetriNetUnfolder]: 9718/14240 cut-off events. [2023-08-29 03:45:03,644 INFO L131 PetriNetUnfolder]: For 9374/11073 co-relation queries the response was YES. [2023-08-29 03:45:03,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38199 conditions, 14240 events. 9718/14240 cut-off events. For 9374/11073 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 90892 event pairs, 1075 based on Foata normal form. 724/12768 useless extension candidates. Maximal degree in co-relation 38177. Up to 4626 conditions per place. [2023-08-29 03:45:03,782 INFO L137 encePairwiseOnDemand]: 493/499 looper letters, 141 selfloop transitions, 8 changer transitions 0/179 dead transitions. [2023-08-29 03:45:03,782 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 179 transitions, 1162 flow [2023-08-29 03:45:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:45:03,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:45:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1598 transitions. [2023-08-29 03:45:03,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4574864013741769 [2023-08-29 03:45:03,787 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1598 transitions. [2023-08-29 03:45:03,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1598 transitions. [2023-08-29 03:45:03,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:03,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1598 transitions. [2023-08-29 03:45:03,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 228.28571428571428) internal successors, (1598), 7 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:03,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:03,797 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:03,797 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 548 flow. Second operand 7 states and 1598 transitions. [2023-08-29 03:45:03,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 179 transitions, 1162 flow [2023-08-29 03:45:03,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 179 transitions, 1144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:45:03,918 INFO L231 Difference]: Finished difference. Result has 98 places, 103 transitions, 542 flow [2023-08-29 03:45:03,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=542, PETRI_PLACES=98, PETRI_TRANSITIONS=103} [2023-08-29 03:45:03,920 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2023-08-29 03:45:03,921 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 103 transitions, 542 flow [2023-08-29 03:45:03,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 217.8) internal successors, (2178), 10 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:03,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:03,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:03,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:45:03,922 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:03,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1031226202, now seen corresponding path program 1 times [2023-08-29 03:45:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:03,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877283271] [2023-08-29 03:45:03,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:03,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:04,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:04,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877283271] [2023-08-29 03:45:04,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877283271] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:04,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:04,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:45:04,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18018107] [2023-08-29 03:45:04,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:04,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:45:04,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:04,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:45:04,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:45:04,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 03:45:04,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 103 transitions, 542 flow. Second operand has 8 states, 8 states have (on average 217.875) internal successors, (1743), 8 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:04,877 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:04,877 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 03:45:04,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:07,157 INFO L130 PetriNetUnfolder]: 14960/25858 cut-off events. [2023-08-29 03:45:07,157 INFO L131 PetriNetUnfolder]: For 27576/32670 co-relation queries the response was YES. [2023-08-29 03:45:07,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67316 conditions, 25858 events. 14960/25858 cut-off events. For 27576/32670 co-relation queries the response was YES. Maximal size of possible extension queue 1091. Compared 215704 event pairs, 2351 based on Foata normal form. 555/22351 useless extension candidates. Maximal degree in co-relation 67295. Up to 6675 conditions per place. [2023-08-29 03:45:07,364 INFO L137 encePairwiseOnDemand]: 491/499 looper letters, 189 selfloop transitions, 46 changer transitions 0/268 dead transitions. [2023-08-29 03:45:07,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 268 transitions, 1971 flow [2023-08-29 03:45:07,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 03:45:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 03:45:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1839 transitions. [2023-08-29 03:45:07,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46067134268537074 [2023-08-29 03:45:07,370 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1839 transitions. [2023-08-29 03:45:07,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1839 transitions. [2023-08-29 03:45:07,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:07,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1839 transitions. [2023-08-29 03:45:07,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 229.875) internal successors, (1839), 8 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:07,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:07,395 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:07,396 INFO L175 Difference]: Start difference. First operand has 98 places, 103 transitions, 542 flow. Second operand 8 states and 1839 transitions. [2023-08-29 03:45:07,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 268 transitions, 1971 flow [2023-08-29 03:45:07,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 268 transitions, 1957 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:45:07,464 INFO L231 Difference]: Finished difference. Result has 104 places, 144 transitions, 1079 flow [2023-08-29 03:45:07,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1079, PETRI_PLACES=104, PETRI_TRANSITIONS=144} [2023-08-29 03:45:07,465 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 15 predicate places. [2023-08-29 03:45:07,465 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 144 transitions, 1079 flow [2023-08-29 03:45:07,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 217.875) internal successors, (1743), 8 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:07,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:07,467 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:07,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:45:07,467 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:07,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:07,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1838067640, now seen corresponding path program 2 times [2023-08-29 03:45:07,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:07,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198797946] [2023-08-29 03:45:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:07,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:45:08,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198797946] [2023-08-29 03:45:08,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198797946] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:08,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:08,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 03:45:08,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745596327] [2023-08-29 03:45:08,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:08,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:45:08,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:08,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:45:08,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:45:08,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 03:45:08,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 144 transitions, 1079 flow. Second operand has 8 states, 8 states have (on average 217.875) internal successors, (1743), 8 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:08,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:08,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 03:45:08,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:12,261 INFO L130 PetriNetUnfolder]: 21694/37344 cut-off events. [2023-08-29 03:45:12,261 INFO L131 PetriNetUnfolder]: For 62352/67340 co-relation queries the response was YES. [2023-08-29 03:45:12,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107688 conditions, 37344 events. 21694/37344 cut-off events. For 62352/67340 co-relation queries the response was YES. Maximal size of possible extension queue 1708. Compared 332373 event pairs, 5033 based on Foata normal form. 1189/32794 useless extension candidates. Maximal degree in co-relation 107663. Up to 16849 conditions per place. [2023-08-29 03:45:12,577 INFO L137 encePairwiseOnDemand]: 491/499 looper letters, 221 selfloop transitions, 50 changer transitions 0/304 dead transitions. [2023-08-29 03:45:12,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 304 transitions, 2736 flow [2023-08-29 03:45:12,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 03:45:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 03:45:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1838 transitions. [2023-08-29 03:45:12,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4604208416833667 [2023-08-29 03:45:12,582 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1838 transitions. [2023-08-29 03:45:12,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1838 transitions. [2023-08-29 03:45:12,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:12,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1838 transitions. [2023-08-29 03:45:12,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 229.75) internal successors, (1838), 8 states have internal predecessors, (1838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:12,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:12,671 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 499.0) internal successors, (4491), 9 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:12,672 INFO L175 Difference]: Start difference. First operand has 104 places, 144 transitions, 1079 flow. Second operand 8 states and 1838 transitions. [2023-08-29 03:45:12,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 304 transitions, 2736 flow [2023-08-29 03:45:12,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 304 transitions, 2732 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:45:12,826 INFO L231 Difference]: Finished difference. Result has 113 places, 185 transitions, 1721 flow [2023-08-29 03:45:12,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1721, PETRI_PLACES=113, PETRI_TRANSITIONS=185} [2023-08-29 03:45:12,827 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 24 predicate places. [2023-08-29 03:45:12,827 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 185 transitions, 1721 flow [2023-08-29 03:45:12,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 217.875) internal successors, (1743), 8 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:12,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:12,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:12,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:45:12,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:12,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash 868207107, now seen corresponding path program 1 times [2023-08-29 03:45:12,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:12,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502760020] [2023-08-29 03:45:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:45:13,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:13,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502760020] [2023-08-29 03:45:13,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502760020] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:13,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:45:13,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:45:13,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100762737] [2023-08-29 03:45:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:13,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:45:13,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:45:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:45:13,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 03:45:13,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 185 transitions, 1721 flow. Second operand has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:13,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:13,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 03:45:13,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:17,664 INFO L130 PetriNetUnfolder]: 24608/40261 cut-off events. [2023-08-29 03:45:17,665 INFO L131 PetriNetUnfolder]: For 96113/102547 co-relation queries the response was YES. [2023-08-29 03:45:17,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126429 conditions, 40261 events. 24608/40261 cut-off events. For 96113/102547 co-relation queries the response was YES. Maximal size of possible extension queue 1777. Compared 340066 event pairs, 9776 based on Foata normal form. 164/33958 useless extension candidates. Maximal degree in co-relation 126400. Up to 27107 conditions per place. [2023-08-29 03:45:17,972 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 200 selfloop transitions, 21 changer transitions 0/259 dead transitions. [2023-08-29 03:45:17,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 259 transitions, 2624 flow [2023-08-29 03:45:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:45:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:45:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2023-08-29 03:45:17,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47461589846359387 [2023-08-29 03:45:17,975 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2023-08-29 03:45:17,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2023-08-29 03:45:17,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:17,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2023-08-29 03:45:17,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.83333333333334) internal successors, (1421), 6 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:17,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:17,983 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:17,983 INFO L175 Difference]: Start difference. First operand has 113 places, 185 transitions, 1721 flow. Second operand 6 states and 1421 transitions. [2023-08-29 03:45:17,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 259 transitions, 2624 flow [2023-08-29 03:45:18,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 259 transitions, 2522 flow, removed 49 selfloop flow, removed 2 redundant places. [2023-08-29 03:45:18,283 INFO L231 Difference]: Finished difference. Result has 121 places, 205 transitions, 1957 flow [2023-08-29 03:45:18,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1651, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1957, PETRI_PLACES=121, PETRI_TRANSITIONS=205} [2023-08-29 03:45:18,284 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2023-08-29 03:45:18,284 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 205 transitions, 1957 flow [2023-08-29 03:45:18,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:18,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:18,285 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:18,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:45:18,285 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:18,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:18,285 INFO L85 PathProgramCache]: Analyzing trace with hash 632338042, now seen corresponding path program 1 times [2023-08-29 03:45:18,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:18,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025881283] [2023-08-29 03:45:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:18,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:45:18,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025881283] [2023-08-29 03:45:18,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025881283] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:45:18,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846919272] [2023-08-29 03:45:18,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:45:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:18,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:45:18,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:45:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:18,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:45:18,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:45:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:45:18,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:45:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:45:18,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846919272] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:45:18,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:45:18,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-08-29 03:45:18,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301146757] [2023-08-29 03:45:18,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:45:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 03:45:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:18,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 03:45:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-08-29 03:45:19,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 03:45:19,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 205 transitions, 1957 flow. Second operand has 14 states, 14 states have (on average 225.28571428571428) internal successors, (3154), 14 states have internal predecessors, (3154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:19,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:19,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 03:45:19,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:45:28,587 INFO L130 PetriNetUnfolder]: 42502/76291 cut-off events. [2023-08-29 03:45:28,587 INFO L131 PetriNetUnfolder]: For 182844/201069 co-relation queries the response was YES. [2023-08-29 03:45:29,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232246 conditions, 76291 events. 42502/76291 cut-off events. For 182844/201069 co-relation queries the response was YES. Maximal size of possible extension queue 3429. Compared 774262 event pairs, 8619 based on Foata normal form. 5265/70221 useless extension candidates. Maximal degree in co-relation 232213. Up to 21447 conditions per place. [2023-08-29 03:45:29,526 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 590 selfloop transitions, 35 changer transitions 0/667 dead transitions. [2023-08-29 03:45:29,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 667 transitions, 6961 flow [2023-08-29 03:45:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 03:45:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 03:45:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3805 transitions. [2023-08-29 03:45:29,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47657815631262523 [2023-08-29 03:45:29,535 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3805 transitions. [2023-08-29 03:45:29,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3805 transitions. [2023-08-29 03:45:29,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:45:29,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3805 transitions. [2023-08-29 03:45:29,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 237.8125) internal successors, (3805), 16 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,556 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 499.0) internal successors, (8483), 17 states have internal predecessors, (8483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:29,556 INFO L175 Difference]: Start difference. First operand has 121 places, 205 transitions, 1957 flow. Second operand 16 states and 3805 transitions. [2023-08-29 03:45:29,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 667 transitions, 6961 flow [2023-08-29 03:45:31,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 667 transitions, 6929 flow, removed 16 selfloop flow, removed 0 redundant places. [2023-08-29 03:45:31,118 INFO L231 Difference]: Finished difference. Result has 141 places, 231 transitions, 2237 flow [2023-08-29 03:45:31,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1941, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2237, PETRI_PLACES=141, PETRI_TRANSITIONS=231} [2023-08-29 03:45:31,119 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 52 predicate places. [2023-08-29 03:45:31,119 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 231 transitions, 2237 flow [2023-08-29 03:45:31,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 225.28571428571428) internal successors, (3154), 14 states have internal predecessors, (3154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:31,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:45:31,120 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:45:31,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 03:45:31,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-29 03:45:31,321 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:45:31,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:45:31,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1589478923, now seen corresponding path program 2 times [2023-08-29 03:45:31,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:45:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459317808] [2023-08-29 03:45:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:45:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:45:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:45:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:45:32,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:45:32,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459317808] [2023-08-29 03:45:32,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459317808] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:45:32,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453513496] [2023-08-29 03:45:32,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 03:45:32,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:45:32,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:32,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:45:32,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 03:45:32,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 03:45:32,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:45:32,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 52 conjunts are in the unsatisfiable core [2023-08-29 03:45:32,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:45:32,466 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 03:45:32,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 42 [2023-08-29 03:45:32,520 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 03:45:32,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-29 03:45:32,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-29 03:45:32,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-29 03:45:32,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-08-29 03:45:32,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-08-29 03:45:32,889 INFO L321 Elim1Store]: treesize reduction 64, result has 31.2 percent of original size [2023-08-29 03:45:32,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 89 [2023-08-29 03:45:32,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2023-08-29 03:45:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-08-29 03:45:35,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:45:35,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453513496] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:45:35,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:45:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 20 [2023-08-29 03:45:35,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386056120] [2023-08-29 03:45:35,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:45:35,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 03:45:35,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:45:35,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 03:45:35,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=377, Unknown=1, NotChecked=0, Total=462 [2023-08-29 03:45:35,463 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 499 [2023-08-29 03:45:35,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 231 transitions, 2237 flow. Second operand has 11 states, 11 states have (on average 178.0) internal successors, (1958), 11 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:45:35,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:45:35,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 499 [2023-08-29 03:45:35,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:00,811 INFO L130 PetriNetUnfolder]: 157430/219757 cut-off events. [2023-08-29 03:46:00,811 INFO L131 PetriNetUnfolder]: For 400042/401548 co-relation queries the response was YES. [2023-08-29 03:46:02,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712856 conditions, 219757 events. 157430/219757 cut-off events. For 400042/401548 co-relation queries the response was YES. Maximal size of possible extension queue 7002. Compared 1708147 event pairs, 47530 based on Foata normal form. 621/188584 useless extension candidates. Maximal degree in co-relation 712817. Up to 72936 conditions per place. [2023-08-29 03:46:03,786 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 438 selfloop transitions, 28 changer transitions 2/485 dead transitions. [2023-08-29 03:46:03,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 485 transitions, 4885 flow [2023-08-29 03:46:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 03:46:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 03:46:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1755 transitions. [2023-08-29 03:46:03,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3907815631262525 [2023-08-29 03:46:03,791 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1755 transitions. [2023-08-29 03:46:03,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1755 transitions. [2023-08-29 03:46:03,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:03,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1755 transitions. [2023-08-29 03:46:03,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 195.0) internal successors, (1755), 9 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,801 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 499.0) internal successors, (4990), 10 states have internal predecessors, (4990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:03,801 INFO L175 Difference]: Start difference. First operand has 141 places, 231 transitions, 2237 flow. Second operand 9 states and 1755 transitions. [2023-08-29 03:46:03,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 485 transitions, 4885 flow [2023-08-29 03:46:12,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 485 transitions, 4871 flow, removed 7 selfloop flow, removed 0 redundant places. [2023-08-29 03:46:12,311 INFO L231 Difference]: Finished difference. Result has 154 places, 237 transitions, 2358 flow [2023-08-29 03:46:12,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2223, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2358, PETRI_PLACES=154, PETRI_TRANSITIONS=237} [2023-08-29 03:46:12,313 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 65 predicate places. [2023-08-29 03:46:12,313 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 237 transitions, 2358 flow [2023-08-29 03:46:12,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 178.0) internal successors, (1958), 11 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:12,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:12,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:12,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 03:46:12,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-08-29 03:46:12,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:46:12,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:12,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1837699680, now seen corresponding path program 1 times [2023-08-29 03:46:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43909637] [2023-08-29 03:46:12,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:12,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:12,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:12,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43909637] [2023-08-29 03:46:12,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43909637] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:46:12,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467118292] [2023-08-29 03:46:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:12,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:46:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:46:12,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:46:12,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 03:46:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:12,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 03:46:12,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:46:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:12,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:46:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:12,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467118292] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 03:46:12,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 03:46:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-08-29 03:46:12,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183037167] [2023-08-29 03:46:12,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:12,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:46:12,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:46:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 03:46:13,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 03:46:13,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 237 transitions, 2358 flow. Second operand has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:13,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:13,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 03:46:13,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:20,845 INFO L130 PetriNetUnfolder]: 34381/63493 cut-off events. [2023-08-29 03:46:20,845 INFO L131 PetriNetUnfolder]: For 196756/206944 co-relation queries the response was YES. [2023-08-29 03:46:21,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225366 conditions, 63493 events. 34381/63493 cut-off events. For 196756/206944 co-relation queries the response was YES. Maximal size of possible extension queue 2625. Compared 638355 event pairs, 4516 based on Foata normal form. 2048/56765 useless extension candidates. Maximal degree in co-relation 225321. Up to 33837 conditions per place. [2023-08-29 03:46:21,788 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 194 selfloop transitions, 19 changer transitions 11/276 dead transitions. [2023-08-29 03:46:21,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 276 transitions, 2917 flow [2023-08-29 03:46:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:46:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:46:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1182 transitions. [2023-08-29 03:46:21,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47374749498998 [2023-08-29 03:46:21,792 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1182 transitions. [2023-08-29 03:46:21,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1182 transitions. [2023-08-29 03:46:21,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:21,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1182 transitions. [2023-08-29 03:46:21,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 236.4) internal successors, (1182), 5 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:21,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 499.0) internal successors, (2994), 6 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:21,799 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 499.0) internal successors, (2994), 6 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:21,799 INFO L175 Difference]: Start difference. First operand has 154 places, 237 transitions, 2358 flow. Second operand 5 states and 1182 transitions. [2023-08-29 03:46:21,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 276 transitions, 2917 flow [2023-08-29 03:46:24,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 276 transitions, 2887 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:46:24,620 INFO L231 Difference]: Finished difference. Result has 156 places, 223 transitions, 2200 flow [2023-08-29 03:46:24,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2204, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2200, PETRI_PLACES=156, PETRI_TRANSITIONS=223} [2023-08-29 03:46:24,621 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 67 predicate places. [2023-08-29 03:46:24,621 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 223 transitions, 2200 flow [2023-08-29 03:46:24,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 226.4) internal successors, (1132), 5 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:24,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:24,624 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:24,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 03:46:24,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:46:24,830 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:46:24,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash 585514085, now seen corresponding path program 1 times [2023-08-29 03:46:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:24,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470907172] [2023-08-29 03:46:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:24,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:46:25,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:25,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470907172] [2023-08-29 03:46:25,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470907172] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:25,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:46:25,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:46:25,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384929951] [2023-08-29 03:46:25,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:25,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:46:25,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:25,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:46:25,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:46:25,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 03:46:25,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 223 transitions, 2200 flow. Second operand has 6 states, 6 states have (on average 227.16666666666666) internal successors, (1363), 6 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:25,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:25,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 03:46:25,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:32,665 INFO L130 PetriNetUnfolder]: 32623/58474 cut-off events. [2023-08-29 03:46:32,666 INFO L131 PetriNetUnfolder]: For 208941/218132 co-relation queries the response was YES. [2023-08-29 03:46:33,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216508 conditions, 58474 events. 32623/58474 cut-off events. For 208941/218132 co-relation queries the response was YES. Maximal size of possible extension queue 2610. Compared 573335 event pairs, 15277 based on Foata normal form. 705/49951 useless extension candidates. Maximal degree in co-relation 216461. Up to 41958 conditions per place. [2023-08-29 03:46:33,775 INFO L137 encePairwiseOnDemand]: 494/499 looper letters, 155 selfloop transitions, 0 changer transitions 39/242 dead transitions. [2023-08-29 03:46:33,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 242 transitions, 2618 flow [2023-08-29 03:46:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:46:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:46:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1396 transitions. [2023-08-29 03:46:33,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46626586506346024 [2023-08-29 03:46:33,779 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1396 transitions. [2023-08-29 03:46:33,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1396 transitions. [2023-08-29 03:46:33,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:33,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1396 transitions. [2023-08-29 03:46:33,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.66666666666666) internal successors, (1396), 6 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:33,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:33,785 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 499.0) internal successors, (3493), 7 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:33,786 INFO L175 Difference]: Start difference. First operand has 156 places, 223 transitions, 2200 flow. Second operand 6 states and 1396 transitions. [2023-08-29 03:46:33,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 242 transitions, 2618 flow [2023-08-29 03:46:35,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 242 transitions, 2566 flow, removed 10 selfloop flow, removed 6 redundant places. [2023-08-29 03:46:35,715 INFO L231 Difference]: Finished difference. Result has 152 places, 203 transitions, 2002 flow [2023-08-29 03:46:35,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2146, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2002, PETRI_PLACES=152, PETRI_TRANSITIONS=203} [2023-08-29 03:46:35,716 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 63 predicate places. [2023-08-29 03:46:35,716 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 203 transitions, 2002 flow [2023-08-29 03:46:35,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.16666666666666) internal successors, (1363), 6 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:35,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:35,717 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:35,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 03:46:35,717 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:46:35,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2069996768, now seen corresponding path program 1 times [2023-08-29 03:46:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:35,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517143167] [2023-08-29 03:46:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:35,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:35,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:35,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517143167] [2023-08-29 03:46:35,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517143167] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:46:35,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856388236] [2023-08-29 03:46:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:35,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:46:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:46:35,837 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:46:35,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 03:46:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:35,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:46:35,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:46:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:36,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:46:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:46:36,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856388236] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:46:36,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:46:36,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-08-29 03:46:36,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244955292] [2023-08-29 03:46:36,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:46:36,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 03:46:36,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:36,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 03:46:36,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-08-29 03:46:37,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 03:46:37,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 203 transitions, 2002 flow. Second operand has 14 states, 14 states have (on average 225.57142857142858) internal successors, (3158), 14 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:37,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:37,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 03:46:37,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:42,186 INFO L130 PetriNetUnfolder]: 23160/42004 cut-off events. [2023-08-29 03:46:42,186 INFO L131 PetriNetUnfolder]: For 160972/166445 co-relation queries the response was YES. [2023-08-29 03:46:42,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159444 conditions, 42004 events. 23160/42004 cut-off events. For 160972/166445 co-relation queries the response was YES. Maximal size of possible extension queue 2205. Compared 404890 event pairs, 8655 based on Foata normal form. 391/35932 useless extension candidates. Maximal degree in co-relation 159401. Up to 19056 conditions per place. [2023-08-29 03:46:42,797 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 254 selfloop transitions, 21 changer transitions 156/477 dead transitions. [2023-08-29 03:46:42,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 477 transitions, 5440 flow [2023-08-29 03:46:42,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 03:46:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 03:46:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2828 transitions. [2023-08-29 03:46:42,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47227788911155644 [2023-08-29 03:46:42,804 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2828 transitions. [2023-08-29 03:46:42,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2828 transitions. [2023-08-29 03:46:42,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:42,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2828 transitions. [2023-08-29 03:46:42,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 235.66666666666666) internal successors, (2828), 12 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:42,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:42,820 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 499.0) internal successors, (6487), 13 states have internal predecessors, (6487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:42,820 INFO L175 Difference]: Start difference. First operand has 152 places, 203 transitions, 2002 flow. Second operand 12 states and 2828 transitions. [2023-08-29 03:46:42,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 477 transitions, 5440 flow [2023-08-29 03:46:44,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 477 transitions, 5296 flow, removed 69 selfloop flow, removed 4 redundant places. [2023-08-29 03:46:44,381 INFO L231 Difference]: Finished difference. Result has 147 places, 214 transitions, 2175 flow [2023-08-29 03:46:44,382 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=1934, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2175, PETRI_PLACES=147, PETRI_TRANSITIONS=214} [2023-08-29 03:46:44,382 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 58 predicate places. [2023-08-29 03:46:44,382 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 214 transitions, 2175 flow [2023-08-29 03:46:44,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 225.57142857142858) internal successors, (3158), 14 states have internal predecessors, (3158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:44,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:44,383 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:46:44,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-08-29 03:46:44,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-08-29 03:46:44,584 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:46:44,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1295828919, now seen corresponding path program 2 times [2023-08-29 03:46:44,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:44,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350427678] [2023-08-29 03:46:44,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:44,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 03:46:45,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350427678] [2023-08-29 03:46:45,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350427678] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:46:45,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319690714] [2023-08-29 03:46:45,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 03:46:45,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:46:45,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:46:45,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:46:45,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-29 03:46:45,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 03:46:45,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:46:45,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 46 conjunts are in the unsatisfiable core [2023-08-29 03:46:45,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:46:45,374 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 03:46:45,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 42 [2023-08-29 03:46:45,409 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 03:46:45,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-29 03:46:45,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-08-29 03:46:45,491 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-08-29 03:46:45,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 68 [2023-08-29 03:46:45,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2023-08-29 03:46:49,569 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2023-08-29 03:46:49,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 75 treesize of output 86 [2023-08-29 03:46:55,657 INFO L321 Elim1Store]: treesize reduction 38, result has 24.0 percent of original size [2023-08-29 03:46:55,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 87 treesize of output 101 [2023-08-29 03:46:59,739 INFO L321 Elim1Store]: treesize reduction 46, result has 20.7 percent of original size [2023-08-29 03:46:59,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 99 treesize of output 116 [2023-08-29 03:46:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-08-29 03:46:59,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:46:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-08-29 03:46:59,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319690714] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:46:59,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:46:59,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 16 [2023-08-29 03:46:59,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351932392] [2023-08-29 03:46:59,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:46:59,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-08-29 03:46:59,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:59,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-08-29 03:46:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=240, Unknown=5, NotChecked=0, Total=306 [2023-08-29 03:47:01,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:03,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:06,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:08,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:10,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:12,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:14,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:16,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:18,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:20,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:22,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:24,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:27,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:29,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:31,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:33,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:35,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:37,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:39,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:41,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:43,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:45,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:45,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 499 [2023-08-29 03:47:45,358 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 214 transitions, 2175 flow. Second operand has 18 states, 18 states have (on average 192.77777777777777) internal successors, (3470), 18 states have internal predecessors, (3470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,358 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:45,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 499 [2023-08-29 03:47:45,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:57,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:47:59,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:01,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:03,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:05,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:07,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:10,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:12,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:14,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:16,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:18,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:20,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:22,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:24,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:26,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:28,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:30,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:32,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:34,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:36,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:38,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:40,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:42,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:48,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:50,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:52,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:54,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:56,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:48:58,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:00,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:02,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:04,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:06,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:08,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:10,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:12,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:14,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:16,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:18,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:26,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:28,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:30,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:33,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:35,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:37,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:43,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:45,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:47,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:49,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:51,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:53,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:55,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:57,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:49:59,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:01,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:03,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:05,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:07,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:09,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:11,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:25,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:27,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:34,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:36,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:38,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:40,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:42,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:44,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:46,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:48,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:50,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:52,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:54,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:56,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:50:58,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:06,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:08,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:10,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:12,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:14,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:17,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:19,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:21,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:23,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:25,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:27,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:29,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:31,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:33,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:35,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:37,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:51,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:53,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:55,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:57,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:51:59,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:01,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:03,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:05,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:07,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:09,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:11,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:16,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:18,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:20,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:22,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:24,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:26,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:28,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:30,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:32,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:34,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:36,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:38,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:40,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:42,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:44,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:46,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:48,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:50,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:52,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:52:54,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:13,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:15,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:17,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:19,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:21,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:23,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:25,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:27,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:29,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:31,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:33,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:35,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:37,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:39,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:41,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:43,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:51,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:53:53,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:00,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:02,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:04,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:06,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:08,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:10,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:14,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:16,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:18,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:20,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:22,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:24,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:26,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:28,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:30,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:32,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:34,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:36,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:38,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:40,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:44,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:47,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:49,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:51,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:53,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:55,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:54:57,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 03:55:00,943 INFO L130 PetriNetUnfolder]: 56867/84383 cut-off events. [2023-08-29 03:55:00,943 INFO L131 PetriNetUnfolder]: For 220077/224606 co-relation queries the response was YES. [2023-08-29 03:55:01,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302491 conditions, 84383 events. 56867/84383 cut-off events. For 220077/224606 co-relation queries the response was YES. Maximal size of possible extension queue 3497. Compared 677415 event pairs, 2779 based on Foata normal form. 2348/74157 useless extension candidates. Maximal degree in co-relation 302446. Up to 18966 conditions per place. [2023-08-29 03:55:02,232 INFO L137 encePairwiseOnDemand]: 487/499 looper letters, 541 selfloop transitions, 144 changer transitions 23/727 dead transitions. [2023-08-29 03:55:02,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 727 transitions, 6612 flow [2023-08-29 03:55:02,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-08-29 03:55:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-08-29 03:55:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5721 transitions. [2023-08-29 03:55:02,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4094617807042657 [2023-08-29 03:55:02,237 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5721 transitions. [2023-08-29 03:55:02,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5721 transitions. [2023-08-29 03:55:02,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:55:02,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5721 transitions. [2023-08-29 03:55:02,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 204.32142857142858) internal successors, (5721), 28 states have internal predecessors, (5721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:02,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 499.0) internal successors, (14471), 29 states have internal predecessors, (14471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:02,258 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 499.0) internal successors, (14471), 29 states have internal predecessors, (14471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:02,258 INFO L175 Difference]: Start difference. First operand has 147 places, 214 transitions, 2175 flow. Second operand 28 states and 5721 transitions. [2023-08-29 03:55:02,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 727 transitions, 6612 flow [2023-08-29 03:55:07,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 727 transitions, 6486 flow, removed 17 selfloop flow, removed 7 redundant places. [2023-08-29 03:55:07,115 INFO L231 Difference]: Finished difference. Result has 175 places, 267 transitions, 3080 flow [2023-08-29 03:55:07,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2088, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=3080, PETRI_PLACES=175, PETRI_TRANSITIONS=267} [2023-08-29 03:55:07,115 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 86 predicate places. [2023-08-29 03:55:07,115 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 267 transitions, 3080 flow [2023-08-29 03:55:07,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 192.77777777777777) internal successors, (3470), 18 states have internal predecessors, (3470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:07,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:55:07,116 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:55:07,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-29 03:55:07,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-08-29 03:55:07,322 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-08-29 03:55:07,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:55:07,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1790518026, now seen corresponding path program 1 times [2023-08-29 03:55:07,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:55:07,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311868002] [2023-08-29 03:55:07,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:55:07,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:55:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:55:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 03:55:07,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:55:07,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311868002] [2023-08-29 03:55:07,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311868002] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:55:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:55:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 03:55:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992986843] [2023-08-29 03:55:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:55:07,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 03:55:07,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:55:07,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 03:55:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 03:55:08,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 03:55:08,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 267 transitions, 3080 flow. Second operand has 10 states, 10 states have (on average 218.4) internal successors, (2184), 10 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:08,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:55:08,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 03:55:08,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:55:14,431 INFO L130 PetriNetUnfolder]: 27304/47861 cut-off events. [2023-08-29 03:55:14,431 INFO L131 PetriNetUnfolder]: For 212764/220808 co-relation queries the response was YES. [2023-08-29 03:55:14,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189955 conditions, 47861 events. 27304/47861 cut-off events. For 212764/220808 co-relation queries the response was YES. Maximal size of possible extension queue 2208. Compared 452412 event pairs, 11191 based on Foata normal form. 602/41171 useless extension candidates. Maximal degree in co-relation 189904. Up to 31417 conditions per place. [2023-08-29 03:55:15,017 INFO L137 encePairwiseOnDemand]: 493/499 looper letters, 0 selfloop transitions, 0 changer transitions 334/334 dead transitions. [2023-08-29 03:55:15,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 334 transitions, 4178 flow [2023-08-29 03:55:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:55:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:55:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1579 transitions. [2023-08-29 03:55:15,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.452046951044947 [2023-08-29 03:55:15,019 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1579 transitions. [2023-08-29 03:55:15,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1579 transitions. [2023-08-29 03:55:15,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:55:15,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1579 transitions. [2023-08-29 03:55:15,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 225.57142857142858) internal successors, (1579), 7 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:15,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:15,023 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 499.0) internal successors, (3992), 8 states have internal predecessors, (3992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:15,023 INFO L175 Difference]: Start difference. First operand has 175 places, 267 transitions, 3080 flow. Second operand 7 states and 1579 transitions. [2023-08-29 03:55:15,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 334 transitions, 4178 flow [2023-08-29 03:55:17,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 334 transitions, 3595 flow, removed 119 selfloop flow, removed 24 redundant places. [2023-08-29 03:55:17,222 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2023-08-29 03:55:17,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=499, PETRI_DIFFERENCE_MINUEND_FLOW=2517, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2023-08-29 03:55:17,222 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 66 predicate places. [2023-08-29 03:55:17,222 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2023-08-29 03:55:17,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 218.4) internal successors, (2184), 10 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:55:17,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2023-08-29 03:55:17,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2023-08-29 03:55:17,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2023-08-29 03:55:17,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2023-08-29 03:55:17,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2023-08-29 03:55:17,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2023-08-29 03:55:17,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2023-08-29 03:55:17,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2023-08-29 03:55:17,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2023-08-29 03:55:17,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2023-08-29 03:55:17,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2023-08-29 03:55:17,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2023-08-29 03:55:17,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2023-08-29 03:55:17,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2023-08-29 03:55:17,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 03:55:17,232 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:55:17,237 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:55:17,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:55:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:55:17 BasicIcfg [2023-08-29 03:55:17,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:55:17,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:55:17,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:55:17,240 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:55:17,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:46" (3/4) ... [2023-08-29 03:55:17,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:55:17,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:55:17,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:55:17,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:55:17,254 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-08-29 03:55:17,254 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:55:17,255 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:55:17,255 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:55:17,286 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:55:17,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:55:17,287 INFO L158 Benchmark]: Toolchain (without parser) took 632497.91ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 51.8MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 7.3GB. Max. memory is 16.1GB. [2023-08-29 03:55:17,287 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:55:17,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.48ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:55:17,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.09ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 36.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:55:17,288 INFO L158 Benchmark]: Boogie Preprocessor took 89.63ms. Allocated memory is still 73.4MB. Free memory was 36.9MB in the beginning and 53.5MB in the end (delta: -16.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-08-29 03:55:17,288 INFO L158 Benchmark]: RCFGBuilder took 828.80ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 35.4MB in the end (delta: 18.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-08-29 03:55:17,295 INFO L158 Benchmark]: TraceAbstraction took 631144.91ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 34.6MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 7.6GB. Max. memory is 16.1GB. [2023-08-29 03:55:17,296 INFO L158 Benchmark]: Witness Printer took 46.69ms. Allocated memory is still 15.7GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:55:17,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.48ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.09ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 36.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.63ms. Allocated memory is still 73.4MB. Free memory was 36.9MB in the beginning and 53.5MB in the end (delta: -16.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 828.80ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 35.4MB in the end (delta: 18.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 631144.91ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 34.6MB in the beginning and 8.4GB in the end (delta: -8.4GB). Peak memory consumption was 7.6GB. Max. memory is 16.1GB. * Witness Printer took 46.69ms. Allocated memory is still 15.7GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 247 PlacesBefore, 89 PlacesAfterwards, 252 TransitionsBefore, 88 TransitionsAfterwards, 6748 CoEnabledTransitionPairs, 8 FixpointIterations, 141 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 10 ConcurrentYvCompositions, 6 ChoiceCompositions, 227 TotalNumberOfCompositions, 43009 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13646, independent: 12747, independent conditional: 0, independent unconditional: 12747, dependent: 899, dependent conditional: 0, dependent unconditional: 899, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3716, independent: 3634, independent conditional: 0, independent unconditional: 3634, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13646, independent: 9113, independent conditional: 0, independent unconditional: 9113, dependent: 817, dependent conditional: 0, dependent unconditional: 817, unknown: 3716, unknown conditional: 0, unknown unconditional: 3716] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 702, Positive conditional cache size: 0, Positive unconditional cache size: 702, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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, 328 locations, 50 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: 631.0s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 598.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 192 mSolverCounterUnknown, 6431 SdHoareTripleChecker+Valid, 397.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5245 mSDsluCounter, 3743 SdHoareTripleChecker+Invalid, 395.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3504 mSDsCounter, 821 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14886 IncrementalHoareTripleChecker+Invalid, 15899 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 821 mSolverCounterUnsat, 239 mSDtfsCounter, 14886 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 246 SyntacticMatches, 5 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 100.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3080occurred in iteration=17, InterpolantAutomatonStates: 144, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 552 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 650 ConstructedInterpolants, 3 QuantifiedInterpolants, 4326 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1457 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 27 InterpolantComputations, 15 PerfectInterpolantSequences, 102/135 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:55:17,529 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-08-29 03:55:17,582 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE