./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 TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:14:20,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:14:20,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:14:21,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:14:21,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:14:21,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:14:21,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:14:21,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:14:21,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:14:21,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:14:21,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:14:21,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:14:21,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:14:21,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:14:21,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:14:21,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:14:21,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:14:21,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:14:21,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:14:21,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:14:21,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:14:21,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:14:21,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:14:21,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:14:21,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:14:21,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:14:21,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:14:21,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:14:21,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:14:21,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:14:21,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:14:21,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:14:21,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:14:21,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:14:21,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:14:21,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:14:21,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:14:21,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:14:21,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:14:21,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:14:21,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:14:21,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:14:21,139 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:14:21,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:14:21,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:14:21,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:14:21,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:14:21,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:14:21,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:14:21,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:14:21,142 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:14:21,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:14:21,143 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:14:21,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:14:21,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:14:21,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:14:21,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:14:21,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:14:21,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:14:21,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:14:21,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:14:21,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:14:21,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:14:21,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:21,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:14:21,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:14:21,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:14:21,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:14:21,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:14:21,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:14:21,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:14:21,148 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:14:21,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:14:21,148 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:14:21,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eecffe8522a4364afb75ce7fb01800caae42a8a3ed11b56f212b94255e6f04bc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:14:21,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:14:21,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:14:21,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:14:21,459 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:14:21,460 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:14:21,461 INFO L432 ainManager$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 19:14:22,660 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:14:22,857 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:14:22,858 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2023-08-29 19:14:22,867 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/711b2ce52/faa8d59f4be44623adffcc43f63825cf/FLAGfd5e48d38 [2023-08-29 19:14:22,877 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/711b2ce52/faa8d59f4be44623adffcc43f63825cf [2023-08-29 19:14:22,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:14:22,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:14:22,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:22,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:14:22,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:14:22,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:22" (1/1) ... [2023-08-29 19:14:22,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70894b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:22, skipping insertion in model container [2023-08-29 19:14:22,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:22" (1/1) ... [2023-08-29 19:14:22,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:14:22,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:14:23,045 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 19:14:23,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:23,056 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:14:23,079 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 19:14:23,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:23,090 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:23,090 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:23,095 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:14:23,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23 WrapperNode [2023-08-29 19:14:23,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:23,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:23,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:14:23,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:14:23,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,143 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 175 [2023-08-29 19:14:23,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:23,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:14:23,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:14:23,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:14:23,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:14:23,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:14:23,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:14:23,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:14:23,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (1/1) ... [2023-08-29 19:14:23,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:23,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:14:23,218 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 19:14:23,241 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 19:14:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:14:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:14:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:14:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:14:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:14:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:14:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:14:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:14:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 19:14:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:14:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:14:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:14:23,286 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 19:14:23,374 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:14:23,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:14:23,874 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:14:24,001 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:14:24,002 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-29 19:14:24,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:24 BoogieIcfgContainer [2023-08-29 19:14:24,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:14:24,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:14:24,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:14:24,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:14:24,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:14:22" (1/3) ... [2023-08-29 19:14:24,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bd1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:24, skipping insertion in model container [2023-08-29 19:14:24,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:23" (2/3) ... [2023-08-29 19:14:24,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bd1455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:24, skipping insertion in model container [2023-08-29 19:14:24,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:24" (3/3) ... [2023-08-29 19:14:24,014 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2023-08-29 19:14:24,021 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:14:24,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:14:24,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-08-29 19:14:24,031 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:14:24,137 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 19:14:24,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 272 transitions, 568 flow [2023-08-29 19:14:24,305 INFO L130 PetriNetUnfolder]: 16/269 cut-off events. [2023-08-29 19:14:24,305 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:14:24,314 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 19:14:24,314 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 272 transitions, 568 flow [2023-08-29 19:14:24,324 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 252 transitions, 522 flow [2023-08-29 19:14:24,327 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:14:24,344 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 252 transitions, 522 flow [2023-08-29 19:14:24,349 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 252 transitions, 522 flow [2023-08-29 19:14:24,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 252 transitions, 522 flow [2023-08-29 19:14:24,415 INFO L130 PetriNetUnfolder]: 15/252 cut-off events. [2023-08-29 19:14:24,416 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:14:24,418 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 19:14:24,423 INFO L119 LiptonReduction]: Number of co-enabled transitions 6748 [2023-08-29 19:14:30,784 INFO L134 LiptonReduction]: Checked pairs total: 43009 [2023-08-29 19:14:30,785 INFO L136 LiptonReduction]: Total number of compositions: 227 [2023-08-29 19:14:30,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:14:30,802 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;@3e250114, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:14:30,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-08-29 19:14:30,804 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:14:30,804 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:14:30,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:30,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:14:30,805 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 19:14:30,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:30,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1035, now seen corresponding path program 1 times [2023-08-29 19:14:30,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:30,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82655681] [2023-08-29 19:14:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:30,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:30,907 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 19:14:30,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:30,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82655681] [2023-08-29 19:14:30,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82655681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:30,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:30,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:14:30,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80714286] [2023-08-29 19:14:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:30,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:14:30,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:30,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:14:30,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:14:30,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 499 [2023-08-29 19:14:30,946 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 19:14:30,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:30,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 499 [2023-08-29 19:14:30,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:31,241 INFO L130 PetriNetUnfolder]: 1057/2242 cut-off events. [2023-08-29 19:14:31,243 INFO L131 PetriNetUnfolder]: For 111/111 co-relation queries the response was YES. [2023-08-29 19:14:31,248 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 19:14:31,262 INFO L137 encePairwiseOnDemand]: 474/499 looper letters, 28 selfloop transitions, 0 changer transitions 1/63 dead transitions. [2023-08-29 19:14:31,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 63 transitions, 202 flow [2023-08-29 19:14:31,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:14:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:14:31,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 536 transitions. [2023-08-29 19:14:31,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5370741482965932 [2023-08-29 19:14:31,284 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 536 transitions. [2023-08-29 19:14:31,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 536 transitions. [2023-08-29 19:14:31,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:31,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 536 transitions. [2023-08-29 19:14:31,295 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 19:14:31,301 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 19:14:31,302 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 19:14:31,304 INFO L175 Difference]: Start difference. First operand has 89 places, 88 transitions, 194 flow. Second operand 2 states and 536 transitions. [2023-08-29 19:14:31,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 63 transitions, 202 flow [2023-08-29 19:14:31,310 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 19:14:31,312 INFO L231 Difference]: Finished difference. Result has 62 places, 62 transitions, 129 flow [2023-08-29 19:14:31,315 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 19:14:31,320 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -27 predicate places. [2023-08-29 19:14:31,322 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 62 transitions, 129 flow [2023-08-29 19:14:31,323 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 19:14:31,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:31,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:31,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:14:31,324 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 19:14:31,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:31,333 INFO L85 PathProgramCache]: Analyzing trace with hash -847906974, now seen corresponding path program 1 times [2023-08-29 19:14:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:31,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362771788] [2023-08-29 19:14:31,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:31,476 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 19:14:31,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:31,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362771788] [2023-08-29 19:14:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362771788] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:31,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:31,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:31,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207281174] [2023-08-29 19:14:31,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:31,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:31,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:31,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:31,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:31,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 499 [2023-08-29 19:14:31,511 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 19:14:31,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:31,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 499 [2023-08-29 19:14:31,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:31,747 INFO L130 PetriNetUnfolder]: 1447/2520 cut-off events. [2023-08-29 19:14:31,748 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 19:14:31,750 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 19:14:31,761 INFO L137 encePairwiseOnDemand]: 495/499 looper letters, 30 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2023-08-29 19:14:31,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 59 transitions, 185 flow [2023-08-29 19:14:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2023-08-29 19:14:31,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46760187040748163 [2023-08-29 19:14:31,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 700 transitions. [2023-08-29 19:14:31,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 700 transitions. [2023-08-29 19:14:31,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:31,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 700 transitions. [2023-08-29 19:14:31,767 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 19:14:31,769 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 19:14:31,770 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 19:14:31,771 INFO L175 Difference]: Start difference. First operand has 62 places, 62 transitions, 129 flow. Second operand 3 states and 700 transitions. [2023-08-29 19:14:31,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 59 transitions, 185 flow [2023-08-29 19:14:31,771 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 19:14:31,773 INFO L231 Difference]: Finished difference. Result has 60 places, 59 transitions, 125 flow [2023-08-29 19:14:31,773 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 19:14:31,774 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2023-08-29 19:14:31,774 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 59 transitions, 125 flow [2023-08-29 19:14:31,774 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 19:14:31,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:31,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:31,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:14:31,775 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 19:14:31,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1205354883, now seen corresponding path program 1 times [2023-08-29 19:14:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060297823] [2023-08-29 19:14:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:31,862 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 19:14:31,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:31,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060297823] [2023-08-29 19:14:31,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060297823] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:31,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:31,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:31,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473203739] [2023-08-29 19:14:31,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:31,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:31,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:31,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:31,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:31,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 499 [2023-08-29 19:14:31,881 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 19:14:31,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:31,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 499 [2023-08-29 19:14:31,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:32,192 INFO L130 PetriNetUnfolder]: 1575/2861 cut-off events. [2023-08-29 19:14:32,192 INFO L131 PetriNetUnfolder]: For 45/65 co-relation queries the response was YES. [2023-08-29 19:14:32,196 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 19:14:32,209 INFO L137 encePairwiseOnDemand]: 496/499 looper letters, 47 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-29 19:14:32,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 78 transitions, 265 flow [2023-08-29 19:14:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2023-08-29 19:14:32,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5083500334001336 [2023-08-29 19:14:32,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2023-08-29 19:14:32,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2023-08-29 19:14:32,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:32,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2023-08-29 19:14:32,226 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 19:14:32,229 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 19:14:32,230 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 19:14:32,230 INFO L175 Difference]: Start difference. First operand has 60 places, 59 transitions, 125 flow. Second operand 3 states and 761 transitions. [2023-08-29 19:14:32,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 78 transitions, 265 flow [2023-08-29 19:14:32,231 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 19:14:32,232 INFO L231 Difference]: Finished difference. Result has 61 places, 60 transitions, 136 flow [2023-08-29 19:14:32,232 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 19:14:32,233 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -28 predicate places. [2023-08-29 19:14:32,233 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 60 transitions, 136 flow [2023-08-29 19:14:32,234 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 19:14:32,234 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:32,234 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:32,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:14:32,235 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 19:14:32,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:32,235 INFO L85 PathProgramCache]: Analyzing trace with hash -573185387, now seen corresponding path program 1 times [2023-08-29 19:14:32,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:32,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67242970] [2023-08-29 19:14:32,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:32,724 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 19:14:32,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:32,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67242970] [2023-08-29 19:14:32,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67242970] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:32,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:32,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:32,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723233427] [2023-08-29 19:14:32,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:32,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:32,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:32,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:32,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:32,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 19:14:32,955 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 19:14:32,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:32,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 19:14:32,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:33,892 INFO L130 PetriNetUnfolder]: 6571/9314 cut-off events. [2023-08-29 19:14:33,893 INFO L131 PetriNetUnfolder]: For 781/799 co-relation queries the response was YES. [2023-08-29 19:14:33,905 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 19:14:33,957 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 91 selfloop transitions, 13 changer transitions 0/128 dead transitions. [2023-08-29 19:14:33,958 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 128 transitions, 522 flow [2023-08-29 19:14:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1439 transitions. [2023-08-29 19:14:33,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48062792251169006 [2023-08-29 19:14:33,963 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1439 transitions. [2023-08-29 19:14:33,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1439 transitions. [2023-08-29 19:14:33,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:33,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1439 transitions. [2023-08-29 19:14:33,967 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 19:14:33,972 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 19:14:33,974 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 19:14:33,974 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 136 flow. Second operand 6 states and 1439 transitions. [2023-08-29 19:14:33,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 128 transitions, 522 flow [2023-08-29 19:14:33,977 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 19:14:33,979 INFO L231 Difference]: Finished difference. Result has 71 places, 72 transitions, 246 flow [2023-08-29 19:14:33,979 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 19:14:33,980 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -18 predicate places. [2023-08-29 19:14:33,981 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 72 transitions, 246 flow [2023-08-29 19:14:33,982 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 19:14:33,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:33,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:14:33,982 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 19:14:33,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:33,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1309380761, now seen corresponding path program 1 times [2023-08-29 19:14:33,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:33,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200687083] [2023-08-29 19:14:33,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:34,083 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 19:14:34,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:34,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200687083] [2023-08-29 19:14:34,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200687083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:34,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:34,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:14:34,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146212812] [2023-08-29 19:14:34,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:34,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:14:34,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:34,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:14:34,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:14:34,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 19:14:34,208 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 19:14:34,208 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:34,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 19:14:34,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:35,111 INFO L130 PetriNetUnfolder]: 4697/8390 cut-off events. [2023-08-29 19:14:35,111 INFO L131 PetriNetUnfolder]: For 4070/4653 co-relation queries the response was YES. [2023-08-29 19:14:35,138 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 19:14:35,176 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 91 selfloop transitions, 7 changer transitions 0/131 dead transitions. [2023-08-29 19:14:35,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 131 transitions, 689 flow [2023-08-29 19:14:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:14:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:14:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1191 transitions. [2023-08-29 19:14:35,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4773547094188377 [2023-08-29 19:14:35,180 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1191 transitions. [2023-08-29 19:14:35,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1191 transitions. [2023-08-29 19:14:35,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:35,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1191 transitions. [2023-08-29 19:14:35,186 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 19:14:35,190 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 19:14:35,193 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 19:14:35,193 INFO L175 Difference]: Start difference. First operand has 71 places, 72 transitions, 246 flow. Second operand 5 states and 1191 transitions. [2023-08-29 19:14:35,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 131 transitions, 689 flow [2023-08-29 19:14:35,211 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 19:14:35,213 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 290 flow [2023-08-29 19:14:35,213 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 19:14:35,214 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -11 predicate places. [2023-08-29 19:14:35,214 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 290 flow [2023-08-29 19:14:35,215 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 19:14:35,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:35,215 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 19:14:35,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:14:35,215 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 19:14:35,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:35,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1430455138, now seen corresponding path program 1 times [2023-08-29 19:14:35,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:35,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688911044] [2023-08-29 19:14:35,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:35,572 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 19:14:35,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:35,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688911044] [2023-08-29 19:14:35,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688911044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:35,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:35,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:35,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108721714] [2023-08-29 19:14:35,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:35,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:35,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:35,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:35,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:35,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 19:14:35,762 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 19:14:35,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:35,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 19:14:35,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:37,324 INFO L130 PetriNetUnfolder]: 8538/13866 cut-off events. [2023-08-29 19:14:37,324 INFO L131 PetriNetUnfolder]: For 7356/7958 co-relation queries the response was YES. [2023-08-29 19:14:37,365 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 19:14:37,428 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 100 selfloop transitions, 25 changer transitions 0/153 dead transitions. [2023-08-29 19:14:37,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 153 transitions, 812 flow [2023-08-29 19:14:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1433 transitions. [2023-08-29 19:14:37,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.478623914495658 [2023-08-29 19:14:37,433 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1433 transitions. [2023-08-29 19:14:37,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1433 transitions. [2023-08-29 19:14:37,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:37,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1433 transitions. [2023-08-29 19:14:37,437 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 19:14:37,442 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 19:14:37,443 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 19:14:37,444 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 290 flow. Second operand 6 states and 1433 transitions. [2023-08-29 19:14:37,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 153 transitions, 812 flow [2023-08-29 19:14:37,461 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 19:14:37,463 INFO L231 Difference]: Finished difference. Result has 87 places, 101 transitions, 548 flow [2023-08-29 19:14:37,464 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 19:14:37,466 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -2 predicate places. [2023-08-29 19:14:37,467 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 101 transitions, 548 flow [2023-08-29 19:14:37,467 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 19:14:37,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:37,468 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 19:14:37,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:14:37,469 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 19:14:37,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:37,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1284370709, now seen corresponding path program 1 times [2023-08-29 19:14:37,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:37,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649472292] [2023-08-29 19:14:37,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:37,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:37,595 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 19:14:37,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:37,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649472292] [2023-08-29 19:14:37,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649472292] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:37,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:37,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:14:37,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040036550] [2023-08-29 19:14:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:37,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:14:37,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:37,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:14:37,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:14:37,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 499 [2023-08-29 19:14:37,725 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 19:14:37,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:37,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 499 [2023-08-29 19:14:37,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:38,643 INFO L130 PetriNetUnfolder]: 4972/8828 cut-off events. [2023-08-29 19:14:38,643 INFO L131 PetriNetUnfolder]: For 8507/9389 co-relation queries the response was YES. [2023-08-29 19:14:38,666 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 19:14:38,698 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 117 selfloop transitions, 9 changer transitions 0/163 dead transitions. [2023-08-29 19:14:38,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 163 transitions, 946 flow [2023-08-29 19:14:38,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:14:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:14:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1693 transitions. [2023-08-29 19:14:38,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48468365302032634 [2023-08-29 19:14:38,703 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1693 transitions. [2023-08-29 19:14:38,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1693 transitions. [2023-08-29 19:14:38,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:38,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1693 transitions. [2023-08-29 19:14:38,707 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 19:14:38,712 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 19:14:38,713 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 19:14:38,713 INFO L175 Difference]: Start difference. First operand has 87 places, 101 transitions, 548 flow. Second operand 7 states and 1693 transitions. [2023-08-29 19:14:38,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 163 transitions, 946 flow [2023-08-29 19:14:38,737 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 19:14:38,739 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 548 flow [2023-08-29 19:14:38,739 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 19:14:38,740 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 7 predicate places. [2023-08-29 19:14:38,740 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 548 flow [2023-08-29 19:14:38,741 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 19:14:38,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:38,741 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 19:14:38,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 19:14:38,741 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 19:14:38,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:38,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1008125510, now seen corresponding path program 1 times [2023-08-29 19:14:38,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:38,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103265910] [2023-08-29 19:14:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:38,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:39,262 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 19:14:39,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:39,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103265910] [2023-08-29 19:14:39,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103265910] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:39,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:39,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 19:14:39,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773648589] [2023-08-29 19:14:39,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:39,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 19:14:39,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:39,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 19:14:39,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 19:14:39,730 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 19:14:39,732 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 19:14:39,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:39,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 19:14:39,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:41,326 INFO L130 PetriNetUnfolder]: 9718/14240 cut-off events. [2023-08-29 19:14:41,326 INFO L131 PetriNetUnfolder]: For 9374/11073 co-relation queries the response was YES. [2023-08-29 19:14:41,376 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 19:14:41,433 INFO L137 encePairwiseOnDemand]: 493/499 looper letters, 141 selfloop transitions, 8 changer transitions 0/179 dead transitions. [2023-08-29 19:14:41,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 179 transitions, 1162 flow [2023-08-29 19:14:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:14:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:14:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1598 transitions. [2023-08-29 19:14:41,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4574864013741769 [2023-08-29 19:14:41,439 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1598 transitions. [2023-08-29 19:14:41,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1598 transitions. [2023-08-29 19:14:41,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:41,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1598 transitions. [2023-08-29 19:14:41,443 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 19:14:41,449 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 19:14:41,450 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 19:14:41,451 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 548 flow. Second operand 7 states and 1598 transitions. [2023-08-29 19:14:41,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 179 transitions, 1162 flow [2023-08-29 19:14:41,729 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 19:14:41,731 INFO L231 Difference]: Finished difference. Result has 98 places, 103 transitions, 542 flow [2023-08-29 19:14:41,731 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 19:14:41,734 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2023-08-29 19:14:41,735 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 103 transitions, 542 flow [2023-08-29 19:14:41,736 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 19:14:41,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:41,736 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 19:14:41,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 19:14:41,736 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 19:14:41,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1031226202, now seen corresponding path program 1 times [2023-08-29 19:14:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:41,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703900654] [2023-08-29 19:14:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:41,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:42,334 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 19:14:42,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703900654] [2023-08-29 19:14:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703900654] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:42,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:42,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 19:14:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542273830] [2023-08-29 19:14:42,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:42,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 19:14:42,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:42,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 19:14:42,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 19:14:42,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 19:14:42,761 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 19:14:42,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:42,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 19:14:42,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:45,404 INFO L130 PetriNetUnfolder]: 14960/25858 cut-off events. [2023-08-29 19:14:45,404 INFO L131 PetriNetUnfolder]: For 27576/32670 co-relation queries the response was YES. [2023-08-29 19:14:45,494 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 19:14:45,599 INFO L137 encePairwiseOnDemand]: 491/499 looper letters, 189 selfloop transitions, 46 changer transitions 0/268 dead transitions. [2023-08-29 19:14:45,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 268 transitions, 1971 flow [2023-08-29 19:14:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 19:14:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 19:14:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1839 transitions. [2023-08-29 19:14:45,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46067134268537074 [2023-08-29 19:14:45,605 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1839 transitions. [2023-08-29 19:14:45,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1839 transitions. [2023-08-29 19:14:45,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:45,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1839 transitions. [2023-08-29 19:14:45,610 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 19:14:45,615 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 19:14:45,616 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 19:14:45,617 INFO L175 Difference]: Start difference. First operand has 98 places, 103 transitions, 542 flow. Second operand 8 states and 1839 transitions. [2023-08-29 19:14:45,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 268 transitions, 1971 flow [2023-08-29 19:14:45,691 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 19:14:45,694 INFO L231 Difference]: Finished difference. Result has 104 places, 144 transitions, 1079 flow [2023-08-29 19:14:45,694 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 19:14:45,695 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 15 predicate places. [2023-08-29 19:14:45,695 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 144 transitions, 1079 flow [2023-08-29 19:14:45,702 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 19:14:45,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:45,702 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 19:14:45,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 19:14:45,703 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 19:14:45,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1838067640, now seen corresponding path program 2 times [2023-08-29 19:14:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:45,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563999790] [2023-08-29 19:14:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:46,259 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 19:14:46,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563999790] [2023-08-29 19:14:46,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563999790] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:46,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:46,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 19:14:46,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619461637] [2023-08-29 19:14:46,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:46,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 19:14:46,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:46,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 19:14:46,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-08-29 19:14:46,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 19:14:46,700 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 19:14:46,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:46,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 19:14:46,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:50,509 INFO L130 PetriNetUnfolder]: 21694/37344 cut-off events. [2023-08-29 19:14:50,509 INFO L131 PetriNetUnfolder]: For 62352/67340 co-relation queries the response was YES. [2023-08-29 19:14:50,641 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 19:14:50,771 INFO L137 encePairwiseOnDemand]: 491/499 looper letters, 221 selfloop transitions, 50 changer transitions 0/304 dead transitions. [2023-08-29 19:14:50,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 304 transitions, 2736 flow [2023-08-29 19:14:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 19:14:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 19:14:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1838 transitions. [2023-08-29 19:14:50,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4604208416833667 [2023-08-29 19:14:50,777 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1838 transitions. [2023-08-29 19:14:50,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1838 transitions. [2023-08-29 19:14:50,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:50,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1838 transitions. [2023-08-29 19:14:50,784 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 19:14:50,790 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 19:14:50,791 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 19:14:50,792 INFO L175 Difference]: Start difference. First operand has 104 places, 144 transitions, 1079 flow. Second operand 8 states and 1838 transitions. [2023-08-29 19:14:50,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 304 transitions, 2736 flow [2023-08-29 19:14:50,981 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 19:14:50,984 INFO L231 Difference]: Finished difference. Result has 113 places, 185 transitions, 1721 flow [2023-08-29 19:14:50,985 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 19:14:50,985 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 24 predicate places. [2023-08-29 19:14:50,986 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 185 transitions, 1721 flow [2023-08-29 19:14:50,987 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 19:14:50,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:50,987 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 19:14:50,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 19:14:50,987 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 19:14:50,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:50,988 INFO L85 PathProgramCache]: Analyzing trace with hash 868207107, now seen corresponding path program 1 times [2023-08-29 19:14:50,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:50,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846294100] [2023-08-29 19:14:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:51,239 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 19:14:51,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:51,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846294100] [2023-08-29 19:14:51,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846294100] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:51,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:51,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:51,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37997293] [2023-08-29 19:14:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:51,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:51,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:51,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:51,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:51,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 19:14:51,422 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 19:14:51,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:51,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 19:14:51,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:55,746 INFO L130 PetriNetUnfolder]: 24608/40261 cut-off events. [2023-08-29 19:14:55,746 INFO L131 PetriNetUnfolder]: For 96113/102547 co-relation queries the response was YES. [2023-08-29 19:14:55,910 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 19:14:56,080 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 200 selfloop transitions, 21 changer transitions 0/259 dead transitions. [2023-08-29 19:14:56,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 259 transitions, 2624 flow [2023-08-29 19:14:56,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2023-08-29 19:14:56,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47461589846359387 [2023-08-29 19:14:56,085 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2023-08-29 19:14:56,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2023-08-29 19:14:56,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:56,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2023-08-29 19:14:56,089 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 19:14:56,093 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 19:14:56,094 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 19:14:56,094 INFO L175 Difference]: Start difference. First operand has 113 places, 185 transitions, 1721 flow. Second operand 6 states and 1421 transitions. [2023-08-29 19:14:56,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 259 transitions, 2624 flow [2023-08-29 19:14:56,442 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 19:14:56,445 INFO L231 Difference]: Finished difference. Result has 121 places, 205 transitions, 1957 flow [2023-08-29 19:14:56,445 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 19:14:56,445 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2023-08-29 19:14:56,446 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 205 transitions, 1957 flow [2023-08-29 19:14:56,446 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 19:14:56,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:56,446 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 19:14:56,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 19:14:56,447 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 19:14:56,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:56,447 INFO L85 PathProgramCache]: Analyzing trace with hash 632338042, now seen corresponding path program 1 times [2023-08-29 19:14:56,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:56,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135296207] [2023-08-29 19:14:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:56,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:56,677 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 19:14:56,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:56,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135296207] [2023-08-29 19:14:56,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135296207] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:14:56,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214901834] [2023-08-29 19:14:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:56,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:14:56,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:14:56,687 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 19:14:56,688 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 19:14:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:56,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 19:14:56,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:14:56,955 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 19:14:56,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:14:57,038 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 19:14:57,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214901834] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:14:57,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:14:57,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-08-29 19:14:57,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627839583] [2023-08-29 19:14:57,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:14:57,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 19:14:57,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:57,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 19:14:57,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-08-29 19:14:57,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 19:14:57,459 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 19:14:57,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:57,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 19:14:57,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:06,097 INFO L130 PetriNetUnfolder]: 42502/76291 cut-off events. [2023-08-29 19:15:06,097 INFO L131 PetriNetUnfolder]: For 182844/201069 co-relation queries the response was YES. [2023-08-29 19:15:06,531 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 19:15:06,935 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 590 selfloop transitions, 35 changer transitions 0/667 dead transitions. [2023-08-29 19:15:06,935 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 667 transitions, 6961 flow [2023-08-29 19:15:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 19:15:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 19:15:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3805 transitions. [2023-08-29 19:15:06,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47657815631262523 [2023-08-29 19:15:06,944 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3805 transitions. [2023-08-29 19:15:06,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3805 transitions. [2023-08-29 19:15:06,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:06,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3805 transitions. [2023-08-29 19:15:06,953 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 19:15:06,963 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 19:15:06,964 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 19:15:06,965 INFO L175 Difference]: Start difference. First operand has 121 places, 205 transitions, 1957 flow. Second operand 16 states and 3805 transitions. [2023-08-29 19:15:06,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 667 transitions, 6961 flow [2023-08-29 19:15:08,663 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 19:15:08,670 INFO L231 Difference]: Finished difference. Result has 141 places, 231 transitions, 2237 flow [2023-08-29 19:15:08,670 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 19:15:08,671 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 52 predicate places. [2023-08-29 19:15:08,671 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 231 transitions, 2237 flow [2023-08-29 19:15:08,672 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 19:15:08,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:08,672 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 19:15:08,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 19:15:08,879 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 19:15:08,879 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 19:15:08,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1589478923, now seen corresponding path program 2 times [2023-08-29 19:15:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:08,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255614604] [2023-08-29 19:15:08,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:08,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:09,924 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 19:15:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255614604] [2023-08-29 19:15:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255614604] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:15:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387351730] [2023-08-29 19:15:09,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 19:15:09,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:15:09,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:15:09,927 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 19:15:09,929 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 19:15:10,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 19:15:10,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 19:15:10,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 52 conjunts are in the unsatisfiable core [2023-08-29 19:15:10,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:15:10,155 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 19:15:10,156 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 19:15:10,209 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 19:15:10,210 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 19:15:10,338 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 19:15:10,372 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 19:15:10,417 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 19:15:10,473 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 19:15:10,581 INFO L321 Elim1Store]: treesize reduction 64, result has 31.2 percent of original size [2023-08-29 19:15:10,581 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 19:15:10,593 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 19:15:12,744 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 19:15:12,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 19:15:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387351730] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 19:15:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 20 [2023-08-29 19:15:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377912483] [2023-08-29 19:15:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:12,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 19:15:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 19:15:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=377, Unknown=1, NotChecked=0, Total=462 [2023-08-29 19:15:13,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 499 [2023-08-29 19:15:13,226 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 19:15:13,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:13,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 499 [2023-08-29 19:15:13,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:37,673 INFO L130 PetriNetUnfolder]: 157430/219757 cut-off events. [2023-08-29 19:15:37,674 INFO L131 PetriNetUnfolder]: For 400042/401548 co-relation queries the response was YES. [2023-08-29 19:15:38,967 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 19:15:39,790 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 438 selfloop transitions, 28 changer transitions 2/485 dead transitions. [2023-08-29 19:15:39,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 485 transitions, 4885 flow [2023-08-29 19:15:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 19:15:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 19:15:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1755 transitions. [2023-08-29 19:15:39,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3907815631262525 [2023-08-29 19:15:39,794 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1755 transitions. [2023-08-29 19:15:39,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1755 transitions. [2023-08-29 19:15:39,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:39,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1755 transitions. [2023-08-29 19:15:39,800 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 19:15:39,805 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 19:15:39,805 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 19:15:39,805 INFO L175 Difference]: Start difference. First operand has 141 places, 231 transitions, 2237 flow. Second operand 9 states and 1755 transitions. [2023-08-29 19:15:39,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 485 transitions, 4885 flow [2023-08-29 19:15:49,158 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 19:15:49,162 INFO L231 Difference]: Finished difference. Result has 154 places, 237 transitions, 2358 flow [2023-08-29 19:15:49,163 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 19:15:49,163 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 65 predicate places. [2023-08-29 19:15:49,163 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 237 transitions, 2358 flow [2023-08-29 19:15:49,164 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 19:15:49,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:49,164 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 19:15:49,177 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 19:15:49,370 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 19:15:49,370 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 19:15:49,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1837699680, now seen corresponding path program 1 times [2023-08-29 19:15:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:49,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583366927] [2023-08-29 19:15:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:49,492 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 19:15:49,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583366927] [2023-08-29 19:15:49,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583366927] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:15:49,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514394517] [2023-08-29 19:15:49,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:49,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:15:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:15:49,494 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 19:15:49,497 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 19:15:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:49,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 19:15:49,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:15:49,691 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 19:15:49,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:15:49,735 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 19:15:49,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514394517] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 19:15:49,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 19:15:49,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-08-29 19:15:49,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117170833] [2023-08-29 19:15:49,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:49,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:15:49,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:49,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:15:49,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:15:49,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 19:15:49,874 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 19:15:49,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:49,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 19:15:49,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:57,432 INFO L130 PetriNetUnfolder]: 34381/63493 cut-off events. [2023-08-29 19:15:57,432 INFO L131 PetriNetUnfolder]: For 196756/206944 co-relation queries the response was YES. [2023-08-29 19:15:57,881 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 19:15:58,097 INFO L137 encePairwiseOnDemand]: 492/499 looper letters, 194 selfloop transitions, 19 changer transitions 11/276 dead transitions. [2023-08-29 19:15:58,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 276 transitions, 2917 flow [2023-08-29 19:15:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:15:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:15:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1182 transitions. [2023-08-29 19:15:58,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47374749498998 [2023-08-29 19:15:58,100 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1182 transitions. [2023-08-29 19:15:58,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1182 transitions. [2023-08-29 19:15:58,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:58,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1182 transitions. [2023-08-29 19:15:58,103 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 19:15:58,105 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 19:15:58,106 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 19:15:58,106 INFO L175 Difference]: Start difference. First operand has 154 places, 237 transitions, 2358 flow. Second operand 5 states and 1182 transitions. [2023-08-29 19:15:58,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 276 transitions, 2917 flow [2023-08-29 19:16:01,201 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 19:16:01,204 INFO L231 Difference]: Finished difference. Result has 156 places, 223 transitions, 2200 flow [2023-08-29 19:16:01,204 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 19:16:01,204 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 67 predicate places. [2023-08-29 19:16:01,205 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 223 transitions, 2200 flow [2023-08-29 19:16:01,205 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 19:16:01,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:01,205 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 19:16:01,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-08-29 19:16:01,406 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 19:16:01,406 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 19:16:01,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:01,407 INFO L85 PathProgramCache]: Analyzing trace with hash 585514085, now seen corresponding path program 1 times [2023-08-29 19:16:01,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:01,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009385210] [2023-08-29 19:16:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:01,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:01,658 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 19:16:01,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:01,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009385210] [2023-08-29 19:16:01,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009385210] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:01,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:01,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:16:01,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460559446] [2023-08-29 19:16:01,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:01,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:16:01,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:16:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:16:01,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 499 [2023-08-29 19:16:01,845 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 19:16:01,845 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:01,845 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 499 [2023-08-29 19:16:01,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:08,938 INFO L130 PetriNetUnfolder]: 32623/58474 cut-off events. [2023-08-29 19:16:08,938 INFO L131 PetriNetUnfolder]: For 208941/218132 co-relation queries the response was YES. [2023-08-29 19:16:09,373 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 19:16:09,547 INFO L137 encePairwiseOnDemand]: 494/499 looper letters, 155 selfloop transitions, 0 changer transitions 39/242 dead transitions. [2023-08-29 19:16:09,547 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 242 transitions, 2618 flow [2023-08-29 19:16:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:16:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:16:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1396 transitions. [2023-08-29 19:16:09,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46626586506346024 [2023-08-29 19:16:09,551 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1396 transitions. [2023-08-29 19:16:09,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1396 transitions. [2023-08-29 19:16:09,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:09,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1396 transitions. [2023-08-29 19:16:09,554 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 19:16:09,557 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 19:16:09,557 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 19:16:09,558 INFO L175 Difference]: Start difference. First operand has 156 places, 223 transitions, 2200 flow. Second operand 6 states and 1396 transitions. [2023-08-29 19:16:09,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 242 transitions, 2618 flow [2023-08-29 19:16:11,940 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 19:16:11,943 INFO L231 Difference]: Finished difference. Result has 152 places, 203 transitions, 2002 flow [2023-08-29 19:16:11,943 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 19:16:11,943 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 63 predicate places. [2023-08-29 19:16:11,943 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 203 transitions, 2002 flow [2023-08-29 19:16:11,943 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 19:16:11,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:11,944 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 19:16:11,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 19:16:11,944 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 19:16:11,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2069996768, now seen corresponding path program 1 times [2023-08-29 19:16:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:11,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444944488] [2023-08-29 19:16:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:12,063 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 19:16:12,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444944488] [2023-08-29 19:16:12,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444944488] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:16:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365844654] [2023-08-29 19:16:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:12,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:16:12,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:16:12,065 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 19:16:12,096 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 19:16:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:12,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 19:16:12,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:16:12,315 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 19:16:12,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:16:12,379 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 19:16:12,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365844654] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:16:12,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:16:12,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-08-29 19:16:12,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802958700] [2023-08-29 19:16:12,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:16:12,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 19:16:12,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:12,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 19:16:12,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-08-29 19:16:12,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 499 [2023-08-29 19:16:12,925 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 19:16:12,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:12,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 499 [2023-08-29 19:16:12,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:17,839 INFO L130 PetriNetUnfolder]: 23160/42004 cut-off events. [2023-08-29 19:16:17,839 INFO L131 PetriNetUnfolder]: For 160972/166445 co-relation queries the response was YES. [2023-08-29 19:16:18,161 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 19:16:18,626 INFO L137 encePairwiseOnDemand]: 490/499 looper letters, 254 selfloop transitions, 21 changer transitions 156/477 dead transitions. [2023-08-29 19:16:18,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 477 transitions, 5440 flow [2023-08-29 19:16:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 19:16:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 19:16:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2828 transitions. [2023-08-29 19:16:18,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47227788911155644 [2023-08-29 19:16:18,630 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2828 transitions. [2023-08-29 19:16:18,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2828 transitions. [2023-08-29 19:16:18,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:18,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2828 transitions. [2023-08-29 19:16:18,634 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 19:16:18,640 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 19:16:18,640 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 19:16:18,640 INFO L175 Difference]: Start difference. First operand has 152 places, 203 transitions, 2002 flow. Second operand 12 states and 2828 transitions. [2023-08-29 19:16:18,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 477 transitions, 5440 flow [2023-08-29 19:16:20,263 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 19:16:20,267 INFO L231 Difference]: Finished difference. Result has 147 places, 214 transitions, 2175 flow [2023-08-29 19:16:20,267 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 19:16:20,267 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 58 predicate places. [2023-08-29 19:16:20,268 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 214 transitions, 2175 flow [2023-08-29 19:16:20,268 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 19:16:20,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:20,268 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 19:16:20,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-29 19:16:20,469 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 19:16:20,469 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 19:16:20,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:20,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1295828919, now seen corresponding path program 2 times [2023-08-29 19:16:20,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:20,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500075023] [2023-08-29 19:16:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:20,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:21,025 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 19:16:21,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:21,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500075023] [2023-08-29 19:16:21,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500075023] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:16:21,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783876044] [2023-08-29 19:16:21,025 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 19:16:21,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:16:21,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:16:21,027 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 19:16:21,029 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 19:16:21,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 19:16:21,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 19:16:21,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 46 conjunts are in the unsatisfiable core [2023-08-29 19:16:21,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:16:21,218 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 19:16:21,218 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 19:16:21,246 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 19:16:21,246 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 19:16:21,285 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 19:16:21,324 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2023-08-29 19:16:21,325 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 19:16:21,336 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 19:16:25,409 INFO L321 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2023-08-29 19:16:25,409 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 19:16:31,616 INFO L321 Elim1Store]: treesize reduction 38, result has 24.0 percent of original size [2023-08-29 19:16:31,617 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 19:16:35,689 INFO L321 Elim1Store]: treesize reduction 46, result has 20.7 percent of original size [2023-08-29 19:16:35,690 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 19:16:35,722 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 19:16:35,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:16:35,822 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 19:16:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783876044] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:16:35,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:16:35,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 16 [2023-08-29 19:16:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328585920] [2023-08-29 19:16:35,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:16:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-08-29 19:16:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:35,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-08-29 19:16:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=240, Unknown=5, NotChecked=0, Total=306 [2023-08-29 19:16:37,844 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 19:16:39,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:16:41,945 WARN L539 Checker$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 19:16:44,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:16:46,055 WARN L539 Checker$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 19:16:48,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:16:50,343 WARN L539 Checker$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 19:16:52,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:16:54,526 WARN L539 Checker$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 19:16:56,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:16:58,725 WARN L539 Checker$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 19:17:00,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:02,848 WARN L539 Checker$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 19:17:04,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:06,910 WARN L539 Checker$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 19:17:08,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:10,979 WARN L539 Checker$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 19:17:13,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:15,112 WARN L539 Checker$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 19:17:17,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:19,152 WARN L539 Checker$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 19:17:21,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:21,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 499 [2023-08-29 19:17:21,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 214 transitions, 2175 flow. Second operand has 18 states, 18 states have (on average 192.77777777777777) internal successors, (3470), 18 states have internal predecessors, (3470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:17:21,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:17:21,175 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 499 [2023-08-29 19:17:21,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:17:33,650 WARN L539 Checker$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 19:17:35,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:37,757 WARN L539 Checker$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 19:17:39,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:41,767 WARN L539 Checker$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 19:17:43,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:45,780 WARN L539 Checker$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 19:17:47,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:49,880 WARN L539 Checker$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 19:17:51,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:53,897 WARN L539 Checker$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 19:17:55,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:17:57,917 WARN L539 Checker$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 19:17:59,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:02,002 WARN L539 Checker$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 19:18:04,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:06,018 WARN L539 Checker$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 19:18:08,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:10,032 WARN L539 Checker$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 19:18:12,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:14,043 WARN L539 Checker$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 19:18:16,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:18,058 WARN L539 Checker$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 19:18:24,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:26,142 WARN L539 Checker$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 19:18:28,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:30,196 WARN L539 Checker$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 19:18:32,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:34,258 WARN L539 Checker$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 19:18:36,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:38,270 WARN L539 Checker$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 19:18:40,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:42,290 WARN L539 Checker$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 19:18:44,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:46,302 WARN L539 Checker$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 19:18:48,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:50,318 WARN L539 Checker$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 19:18:52,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:18:54,330 WARN L539 Checker$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 19:19:02,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:04,485 WARN L539 Checker$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 19:19:06,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:08,587 WARN L539 Checker$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 19:19:10,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:12,599 WARN L539 Checker$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 19:19:18,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:20,876 WARN L539 Checker$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 19:19:22,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:24,893 WARN L539 Checker$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 19:19:27,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:29,073 WARN L539 Checker$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 19:19:31,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:33,226 WARN L539 Checker$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 19:19:35,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:37,238 WARN L539 Checker$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 19:19:39,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:41,254 WARN L539 Checker$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 19:19:43,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:19:45,508 WARN L539 Checker$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 19:19:47,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:01,026 WARN L539 Checker$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 19:20:03,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:09,430 WARN L539 Checker$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 19:20:11,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:13,449 WARN L539 Checker$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 19:20:15,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:17,458 WARN L539 Checker$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 19:20:19,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:21,834 WARN L539 Checker$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 19:20:23,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:25,849 WARN L539 Checker$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 19:20:27,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:29,862 WARN L539 Checker$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 19:20:31,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:33,880 WARN L539 Checker$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 19:20:41,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:43,936 WARN L539 Checker$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 19:20:45,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:47,952 WARN L539 Checker$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 19:20:49,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:52,598 WARN L539 Checker$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 19:20:54,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:20:56,616 WARN L539 Checker$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 19:20:58,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:00,628 WARN L539 Checker$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 19:21:02,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:04,660 WARN L539 Checker$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 19:21:06,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:08,677 WARN L539 Checker$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 19:21:10,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:12,693 WARN L539 Checker$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 19:21:27,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:29,158 WARN L539 Checker$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 19:21:31,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:33,188 WARN L539 Checker$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 19:21:35,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:37,202 WARN L539 Checker$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 19:21:39,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:41,219 WARN L539 Checker$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 19:21:43,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:45,266 WARN L539 Checker$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 19:21:47,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:49,284 WARN L539 Checker$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 19:21:51,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:53,694 WARN L539 Checker$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 19:21:55,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:21:57,714 WARN L539 Checker$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 19:21:59,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:01,734 WARN L539 Checker$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 19:22:03,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:05,751 WARN L539 Checker$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 19:22:07,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:09,765 WARN L539 Checker$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 19:22:11,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:13,781 WARN L539 Checker$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 19:22:15,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:17,797 WARN L539 Checker$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 19:22:19,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:21,812 WARN L539 Checker$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 19:22:23,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:25,839 WARN L539 Checker$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 19:22:27,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:29,858 WARN L539 Checker$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 19:22:48,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:50,775 WARN L539 Checker$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 19:22:52,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:54,788 WARN L539 Checker$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 19:22:56,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:22:58,808 WARN L539 Checker$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 19:23:00,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:02,820 WARN L539 Checker$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 19:23:04,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:06,836 WARN L539 Checker$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 19:23:08,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:10,858 WARN L539 Checker$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 19:23:12,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:14,869 WARN L539 Checker$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 19:23:16,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:18,909 WARN L539 Checker$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 19:23:27,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:29,017 WARN L539 Checker$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 19:23:35,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:37,551 WARN L539 Checker$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 19:23:39,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:41,566 WARN L539 Checker$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 19:23:43,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:45,580 WARN L539 Checker$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 19:23:47,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:49,620 WARN L539 Checker$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 19:23:51,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:53,638 WARN L539 Checker$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 19:23:55,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:23:57,697 WARN L539 Checker$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 19:23:59,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:02,422 WARN L539 Checker$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 19:24:04,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:06,436 WARN L539 Checker$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 19:24:08,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:10,454 WARN L539 Checker$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 19:24:12,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:14,467 WARN L539 Checker$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 19:24:16,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:18,478 WARN L539 Checker$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 19:24:20,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:22,957 WARN L539 Checker$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 19:24:24,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:26,970 WARN L539 Checker$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 19:24:28,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:24:30,985 WARN L539 Checker$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 19:24:32,990 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 19:24:36,454 INFO L130 PetriNetUnfolder]: 56867/84383 cut-off events. [2023-08-29 19:24:36,454 INFO L131 PetriNetUnfolder]: For 220077/224606 co-relation queries the response was YES. [2023-08-29 19:24:36,996 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 19:24:37,229 INFO L137 encePairwiseOnDemand]: 487/499 looper letters, 541 selfloop transitions, 144 changer transitions 23/727 dead transitions. [2023-08-29 19:24:37,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 727 transitions, 6612 flow [2023-08-29 19:24:37,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-08-29 19:24:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-08-29 19:24:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 5721 transitions. [2023-08-29 19:24:37,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4094617807042657 [2023-08-29 19:24:37,234 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 5721 transitions. [2023-08-29 19:24:37,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 5721 transitions. [2023-08-29 19:24:37,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:24:37,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 5721 transitions. [2023-08-29 19:24:37,241 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 19:24:37,248 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 19:24:37,249 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 19:24:37,249 INFO L175 Difference]: Start difference. First operand has 147 places, 214 transitions, 2175 flow. Second operand 28 states and 5721 transitions. [2023-08-29 19:24:37,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 727 transitions, 6612 flow [2023-08-29 19:24:42,897 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 19:24:42,902 INFO L231 Difference]: Finished difference. Result has 175 places, 267 transitions, 3080 flow [2023-08-29 19:24:42,902 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 19:24:42,902 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 86 predicate places. [2023-08-29 19:24:42,902 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 267 transitions, 3080 flow [2023-08-29 19:24:42,903 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 19:24:42,903 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:24:42,903 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 19:24:42,911 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 19:24:43,108 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 19:24:43,108 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 19:24:43,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:24:43,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1790518026, now seen corresponding path program 1 times [2023-08-29 19:24:43,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:24:43,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598995460] [2023-08-29 19:24:43,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:24:43,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:24:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:24:43,651 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 19:24:43,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:24:43,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598995460] [2023-08-29 19:24:43,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598995460] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:24:43,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:24:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 19:24:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851182369] [2023-08-29 19:24:43,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:24:43,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 19:24:43,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:24:43,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 19:24:43,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 19:24:44,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 499 [2023-08-29 19:24:44,138 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 19:24:44,138 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:24:44,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 499 [2023-08-29 19:24:44,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:24:50,126 INFO L130 PetriNetUnfolder]: 27304/47861 cut-off events. [2023-08-29 19:24:50,126 INFO L131 PetriNetUnfolder]: For 212764/220808 co-relation queries the response was YES. [2023-08-29 19:24:50,448 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 19:24:50,480 INFO L137 encePairwiseOnDemand]: 493/499 looper letters, 0 selfloop transitions, 0 changer transitions 334/334 dead transitions. [2023-08-29 19:24:50,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 334 transitions, 4178 flow [2023-08-29 19:24:50,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:24:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:24:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1579 transitions. [2023-08-29 19:24:50,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.452046951044947 [2023-08-29 19:24:50,482 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1579 transitions. [2023-08-29 19:24:50,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1579 transitions. [2023-08-29 19:24:50,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:24:50,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1579 transitions. [2023-08-29 19:24:50,484 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 19:24:50,485 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 19:24:50,485 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 19:24:50,486 INFO L175 Difference]: Start difference. First operand has 175 places, 267 transitions, 3080 flow. Second operand 7 states and 1579 transitions. [2023-08-29 19:24:50,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 334 transitions, 4178 flow [2023-08-29 19:24:52,892 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 19:24:52,895 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2023-08-29 19:24:52,896 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 19:24:52,896 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, 66 predicate places. [2023-08-29 19:24:52,896 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2023-08-29 19:24:52,896 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 19:24:52,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2023-08-29 19:24:52,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2023-08-29 19:24:52,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2023-08-29 19:24:52,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2023-08-29 19:24:52,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2023-08-29 19:24:52,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2023-08-29 19:24:52,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2023-08-29 19:24:52,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2023-08-29 19:24:52,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2023-08-29 19:24:52,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2023-08-29 19:24:52,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 19:24:52,907 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:24:52,912 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:24:52,913 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:24:52,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:24:52 BasicIcfg [2023-08-29 19:24:52,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:24:52,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:24:52,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:24:52,916 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:24:52,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:24" (3/4) ... [2023-08-29 19:24:52,923 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:24:52,928 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:24:52,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:24:52,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 19:24:52,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-08-29 19:24:52,944 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:24:52,945 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:24:52,945 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:24:53,031 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:24:53,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:24:53,031 INFO L158 Benchmark]: Toolchain (without parser) took 630151.04ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 51.9MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 7.2GB. Max. memory is 16.1GB. [2023-08-29 19:24:53,031 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:24:53,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.61ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 19:24:53,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.60ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 37.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:24:53,037 INFO L158 Benchmark]: Boogie Preprocessor took 44.63ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:24:53,038 INFO L158 Benchmark]: RCFGBuilder took 816.43ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 40.0MB in the end (delta: -5.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-29 19:24:53,038 INFO L158 Benchmark]: TraceAbstraction took 628907.90ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 39.0MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-08-29 19:24:53,038 INFO L158 Benchmark]: Witness Printer took 115.06ms. Allocated memory is still 15.7GB. Free memory was 8.5GB in the beginning and 8.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:24:53,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.61ms. Allocated memory is still 73.4MB. Free memory was 51.6MB in the beginning and 39.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.60ms. Allocated memory is still 73.4MB. Free memory was 39.2MB in the beginning and 37.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.63ms. Allocated memory is still 73.4MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 816.43ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 40.0MB in the end (delta: -5.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 628907.90ms. Allocated memory was 73.4MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 39.0MB in the beginning and 8.5GB in the end (delta: -8.4GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. * Witness Printer took 115.06ms. Allocated memory is still 15.7GB. Free memory was 8.5GB in the beginning and 8.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4s, 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: 628.7s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 596.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.6s, HoareTripleCheckerStatistics: 192 mSolverCounterUnknown, 6431 SdHoareTripleChecker+Valid, 396.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5245 mSDsluCounter, 3743 SdHoareTripleChecker+Invalid, 394.7s 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, 23.4s 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 19:24:53,281 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 19:24:53,317 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