./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:21:42,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:21:42,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:21:42,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:21:42,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:21:42,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:21:42,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:21:42,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:21:42,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:21:42,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:21:42,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:21:42,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:21:42,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:21:42,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:21:42,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:21:42,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:21:42,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:21:42,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:21:42,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:21:42,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:21:42,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:21:42,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:21:42,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:21:42,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:21:42,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:21:42,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:21:42,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:21:42,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:21:42,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:21:42,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:21:42,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:21:42,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:21:42,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:21:42,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:21:42,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:21:42,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:21:42,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:21:42,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:21:42,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:21:42,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:21:42,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:21:42,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:21:42,172 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:21:42,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:21:42,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:21:42,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:21:42,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:21:42,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:21:42,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:21:42,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:21:42,176 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:21:42,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:21:42,177 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:21:42,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:21:42,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:21:42,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:21:42,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:21:42,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:21:42,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:21:42,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:21:42,178 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:21:42,179 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:21:42,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:21:42,179 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:21:42,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:21:42,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:21:42,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:21:42,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:21:42,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:42,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:21:42,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:21:42,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:21:42,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:21:42,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:21:42,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:21:42,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:21:42,182 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:21:42,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:21:42,182 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:21:42,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:21:42,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:21:42,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:21:42,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:21:42,529 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:21:42,529 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:21:42,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2023-08-29 03:21:43,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:21:43,905 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:21:43,905 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c [2023-08-29 03:21:43,915 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7151ca2b3/5457ade4737d48b6a3fef6d82c151f11/FLAG26527c5c4 [2023-08-29 03:21:43,931 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7151ca2b3/5457ade4737d48b6a3fef6d82c151f11 [2023-08-29 03:21:43,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:21:43,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:21:43,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:43,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:21:43,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:21:43,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:43" (1/1) ... [2023-08-29 03:21:43,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a67ac1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:43, skipping insertion in model container [2023-08-29 03:21:43,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:21:43" (1/1) ... [2023-08-29 03:21:43,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:21:43,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:21:44,193 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2023-08-29 03:21:44,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:44,208 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:21:44,252 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2023-08-29 03:21:44,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:21:44,277 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:21:44,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44 WrapperNode [2023-08-29 03:21:44,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:21:44,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:44,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:21:44,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:21:44,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,351 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 294 [2023-08-29 03:21:44,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:21:44,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:21:44,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:21:44,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:21:44,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:21:44,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:21:44,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:21:44,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:21:44,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (1/1) ... [2023-08-29 03:21:44,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:21:44,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:44,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:21:44,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:21:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:21:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:21:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:21:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:21:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:21:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:21:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:21:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:21:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:21:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:21:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:21:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:21:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:21:44,508 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:21:44,668 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:21:44,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:21:45,094 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:21:45,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:21:45,114 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 03:21:45,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:45 BoogieIcfgContainer [2023-08-29 03:21:45,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:21:45,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:21:45,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:21:45,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:21:45,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:21:43" (1/3) ... [2023-08-29 03:21:45,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cc7f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:45, skipping insertion in model container [2023-08-29 03:21:45,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:21:44" (2/3) ... [2023-08-29 03:21:45,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39cc7f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:21:45, skipping insertion in model container [2023-08-29 03:21:45,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:45" (3/3) ... [2023-08-29 03:21:45,126 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2023-08-29 03:21:45,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:21:45,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:21:45,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-08-29 03:21:45,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:21:45,293 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:21:45,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 333 places, 345 transitions, 706 flow [2023-08-29 03:21:45,478 INFO L130 PetriNetUnfolder]: 19/343 cut-off events. [2023-08-29 03:21:45,479 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:21:45,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 343 events. 19/343 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 662 event pairs, 0 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 223. Up to 3 conditions per place. [2023-08-29 03:21:45,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 333 places, 345 transitions, 706 flow [2023-08-29 03:21:45,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 328 transitions, 668 flow [2023-08-29 03:21:45,507 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:21:45,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 328 transitions, 668 flow [2023-08-29 03:21:45,524 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 328 transitions, 668 flow [2023-08-29 03:21:45,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 328 transitions, 668 flow [2023-08-29 03:21:45,605 INFO L130 PetriNetUnfolder]: 18/328 cut-off events. [2023-08-29 03:21:45,605 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:21:45,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 328 events. 18/328 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 657 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 223. Up to 3 conditions per place. [2023-08-29 03:21:45,619 INFO L119 LiptonReduction]: Number of co-enabled transitions 18468 [2023-08-29 03:21:51,652 INFO L134 LiptonReduction]: Checked pairs total: 120361 [2023-08-29 03:21:51,653 INFO L136 LiptonReduction]: Total number of compositions: 263 [2023-08-29 03:21:51,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:21:51,671 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;@58b38bb4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:21:51,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-29 03:21:51,674 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-29 03:21:51,674 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:21:51,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:51,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 03:21:51,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:51,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:51,680 INFO L85 PathProgramCache]: Analyzing trace with hash 39268, now seen corresponding path program 1 times [2023-08-29 03:21:51,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:51,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766872722] [2023-08-29 03:21:51,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:51,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:51,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766872722] [2023-08-29 03:21:51,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766872722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:51,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:51,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 03:21:51,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160651812] [2023-08-29 03:21:51,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:51,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:21:51,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:51,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:21:51,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:21:51,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 608 [2023-08-29 03:21:51,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 131 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 330.0) internal successors, (660), 2 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:51,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:51,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 608 [2023-08-29 03:21:51,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:52,127 INFO L130 PetriNetUnfolder]: 350/1278 cut-off events. [2023-08-29 03:21:52,128 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 03:21:52,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1278 events. 350/1278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8810 event pairs, 228 based on Foata normal form. 41/1069 useless extension candidates. Maximal degree in co-relation 1639. Up to 545 conditions per place. [2023-08-29 03:21:52,139 INFO L137 encePairwiseOnDemand]: 595/608 looper letters, 33 selfloop transitions, 0 changer transitions 1/118 dead transitions. [2023-08-29 03:21:52,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 118 transitions, 316 flow [2023-08-29 03:21:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:21:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:21:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 705 transitions. [2023-08-29 03:21:52,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5797697368421053 [2023-08-29 03:21:52,159 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 705 transitions. [2023-08-29 03:21:52,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 705 transitions. [2023-08-29 03:21:52,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:52,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 705 transitions. [2023-08-29 03:21:52,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 608.0) internal successors, (1824), 3 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,174 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 608.0) internal successors, (1824), 3 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,176 INFO L175 Difference]: Start difference. First operand has 127 places, 131 transitions, 274 flow. Second operand 2 states and 705 transitions. [2023-08-29 03:21:52,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 118 transitions, 316 flow [2023-08-29 03:21:52,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 118 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:21:52,183 INFO L231 Difference]: Finished difference. Result has 114 places, 117 transitions, 237 flow [2023-08-29 03:21:52,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=237, PETRI_PLACES=114, PETRI_TRANSITIONS=117} [2023-08-29 03:21:52,188 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -13 predicate places. [2023-08-29 03:21:52,188 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 117 transitions, 237 flow [2023-08-29 03:21:52,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 330.0) internal successors, (660), 2 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:52,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:21:52,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:21:52,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:52,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1962914384, now seen corresponding path program 1 times [2023-08-29 03:21:52,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:52,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099793887] [2023-08-29 03:21:52,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:52,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:21:52,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:52,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099793887] [2023-08-29 03:21:52,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099793887] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:52,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:52,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:52,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929918815] [2023-08-29 03:21:52,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:52,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:52,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 608 [2023-08-29 03:21:52,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 117 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:52,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 608 [2023-08-29 03:21:52,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:52,644 INFO L130 PetriNetUnfolder]: 350/1279 cut-off events. [2023-08-29 03:21:52,644 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2023-08-29 03:21:52,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1835 conditions, 1279 events. 350/1279 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8827 event pairs, 228 based on Foata normal form. 0/1029 useless extension candidates. Maximal degree in co-relation 1832. Up to 544 conditions per place. [2023-08-29 03:21:52,652 INFO L137 encePairwiseOnDemand]: 603/608 looper letters, 31 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2023-08-29 03:21:52,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 119 transitions, 311 flow [2023-08-29 03:21:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2023-08-29 03:21:52,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5482456140350878 [2023-08-29 03:21:52,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2023-08-29 03:21:52,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2023-08-29 03:21:52,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:52,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2023-08-29 03:21:52,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,666 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,666 INFO L175 Difference]: Start difference. First operand has 114 places, 117 transitions, 237 flow. Second operand 3 states and 1000 transitions. [2023-08-29 03:21:52,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 119 transitions, 311 flow [2023-08-29 03:21:52,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 119 transitions, 311 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:52,670 INFO L231 Difference]: Finished difference. Result has 116 places, 119 transitions, 259 flow [2023-08-29 03:21:52,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=116, PETRI_TRANSITIONS=119} [2023-08-29 03:21:52,671 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2023-08-29 03:21:52,671 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 119 transitions, 259 flow [2023-08-29 03:21:52,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:52,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:52,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:21:52,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:52,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:52,676 INFO L85 PathProgramCache]: Analyzing trace with hash 829662156, now seen corresponding path program 1 times [2023-08-29 03:21:52,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:52,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43077452] [2023-08-29 03:21:52,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:52,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43077452] [2023-08-29 03:21:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43077452] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:52,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:52,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:52,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880932034] [2023-08-29 03:21:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:52,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:52,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:52,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 608 [2023-08-29 03:21:52,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 119 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:52,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 608 [2023-08-29 03:21:52,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:52,962 INFO L130 PetriNetUnfolder]: 380/1404 cut-off events. [2023-08-29 03:21:52,963 INFO L131 PetriNetUnfolder]: For 11/27 co-relation queries the response was YES. [2023-08-29 03:21:52,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2019 conditions, 1404 events. 380/1404 cut-off events. For 11/27 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 9788 event pairs, 110 based on Foata normal form. 2/1148 useless extension candidates. Maximal degree in co-relation 2014. Up to 576 conditions per place. [2023-08-29 03:21:52,971 INFO L137 encePairwiseOnDemand]: 604/608 looper letters, 41 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2023-08-29 03:21:52,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 124 transitions, 356 flow [2023-08-29 03:21:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1009 transitions. [2023-08-29 03:21:52,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5531798245614035 [2023-08-29 03:21:52,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1009 transitions. [2023-08-29 03:21:52,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1009 transitions. [2023-08-29 03:21:52,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:52,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1009 transitions. [2023-08-29 03:21:52,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.3333333333333) internal successors, (1009), 3 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,983 INFO L175 Difference]: Start difference. First operand has 116 places, 119 transitions, 259 flow. Second operand 3 states and 1009 transitions. [2023-08-29 03:21:52,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 124 transitions, 356 flow [2023-08-29 03:21:52,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 124 transitions, 352 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:52,986 INFO L231 Difference]: Finished difference. Result has 116 places, 119 transitions, 265 flow [2023-08-29 03:21:52,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=265, PETRI_PLACES=116, PETRI_TRANSITIONS=119} [2023-08-29 03:21:52,987 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2023-08-29 03:21:52,987 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 119 transitions, 265 flow [2023-08-29 03:21:52,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:52,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:52,988 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:52,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:21:52,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:52,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1557113214, now seen corresponding path program 1 times [2023-08-29 03:21:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:52,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004564393] [2023-08-29 03:21:52,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:53,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:53,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004564393] [2023-08-29 03:21:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004564393] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:53,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:53,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:53,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859727923] [2023-08-29 03:21:53,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:53,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:53,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:53,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:53,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:53,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 608 [2023-08-29 03:21:53,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 119 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,047 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:53,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 608 [2023-08-29 03:21:53,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:53,237 INFO L130 PetriNetUnfolder]: 438/1831 cut-off events. [2023-08-29 03:21:53,237 INFO L131 PetriNetUnfolder]: For 30/75 co-relation queries the response was YES. [2023-08-29 03:21:53,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2585 conditions, 1831 events. 438/1831 cut-off events. For 30/75 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 13190 event pairs, 132 based on Foata normal form. 1/1462 useless extension candidates. Maximal degree in co-relation 2580. Up to 660 conditions per place. [2023-08-29 03:21:53,249 INFO L137 encePairwiseOnDemand]: 604/608 looper letters, 43 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2023-08-29 03:21:53,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 124 transitions, 369 flow [2023-08-29 03:21:53,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:53,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions. [2023-08-29 03:21:53,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5537280701754386 [2023-08-29 03:21:53,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions. [2023-08-29 03:21:53,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions. [2023-08-29 03:21:53,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:53,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions. [2023-08-29 03:21:53,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,260 INFO L175 Difference]: Start difference. First operand has 116 places, 119 transitions, 265 flow. Second operand 3 states and 1010 transitions. [2023-08-29 03:21:53,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 124 transitions, 369 flow [2023-08-29 03:21:53,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 124 transitions, 369 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:53,263 INFO L231 Difference]: Finished difference. Result has 117 places, 119 transitions, 275 flow [2023-08-29 03:21:53,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=117, PETRI_TRANSITIONS=119} [2023-08-29 03:21:53,264 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -10 predicate places. [2023-08-29 03:21:53,264 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 119 transitions, 275 flow [2023-08-29 03:21:53,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:53,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:53,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:21:53,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:53,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:53,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1513606697, now seen corresponding path program 1 times [2023-08-29 03:21:53,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:53,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852159518] [2023-08-29 03:21:53,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:21:53,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:53,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852159518] [2023-08-29 03:21:53,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852159518] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:53,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:53,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:53,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274667239] [2023-08-29 03:21:53,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:53,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:53,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:53,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:53,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:53,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 608 [2023-08-29 03:21:53,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 119 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:53,329 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 608 [2023-08-29 03:21:53,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:53,593 INFO L130 PetriNetUnfolder]: 647/2344 cut-off events. [2023-08-29 03:21:53,593 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2023-08-29 03:21:53,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3510 conditions, 2344 events. 647/2344 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 17447 event pairs, 123 based on Foata normal form. 0/2000 useless extension candidates. Maximal degree in co-relation 3504. Up to 866 conditions per place. [2023-08-29 03:21:53,607 INFO L137 encePairwiseOnDemand]: 602/608 looper letters, 55 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2023-08-29 03:21:53,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 130 transitions, 417 flow [2023-08-29 03:21:53,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2023-08-29 03:21:53,610 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5509868421052632 [2023-08-29 03:21:53,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1005 transitions. [2023-08-29 03:21:53,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1005 transitions. [2023-08-29 03:21:53,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:53,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1005 transitions. [2023-08-29 03:21:53,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 335.0) internal successors, (1005), 3 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,619 INFO L175 Difference]: Start difference. First operand has 117 places, 119 transitions, 275 flow. Second operand 3 states and 1005 transitions. [2023-08-29 03:21:53,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 130 transitions, 417 flow [2023-08-29 03:21:53,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 130 transitions, 417 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:53,622 INFO L231 Difference]: Finished difference. Result has 116 places, 117 transitions, 281 flow [2023-08-29 03:21:53,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=116, PETRI_TRANSITIONS=117} [2023-08-29 03:21:53,623 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2023-08-29 03:21:53,623 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 117 transitions, 281 flow [2023-08-29 03:21:53,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:53,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:53,624 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:53,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:21:53,625 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:53,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:53,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1968153415, now seen corresponding path program 1 times [2023-08-29 03:21:53,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:53,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101693962] [2023-08-29 03:21:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:21:53,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:53,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101693962] [2023-08-29 03:21:53,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101693962] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:21:53,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907163023] [2023-08-29 03:21:53,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:53,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:21:53,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:53,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:21:53,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:21:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:53,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-29 03:21:53,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:21:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:21:53,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:21:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:21:53,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907163023] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:21:53,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:21:53,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 03:21:53,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602025817] [2023-08-29 03:21:53,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:21:53,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:21:53,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:53,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:21:53,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:21:54,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 608 [2023-08-29 03:21:54,146 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 117 transitions, 281 flow. Second operand has 8 states, 8 states have (on average 318.875) internal successors, (2551), 8 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,147 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:54,147 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 608 [2023-08-29 03:21:54,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:54,403 INFO L130 PetriNetUnfolder]: 467/1575 cut-off events. [2023-08-29 03:21:54,403 INFO L131 PetriNetUnfolder]: For 130/153 co-relation queries the response was YES. [2023-08-29 03:21:54,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2557 conditions, 1575 events. 467/1575 cut-off events. For 130/153 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 11034 event pairs, 240 based on Foata normal form. 0/1299 useless extension candidates. Maximal degree in co-relation 2550. Up to 724 conditions per place. [2023-08-29 03:21:54,413 INFO L137 encePairwiseOnDemand]: 603/608 looper letters, 34 selfloop transitions, 10 changer transitions 0/123 dead transitions. [2023-08-29 03:21:54,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 123 transitions, 393 flow [2023-08-29 03:21:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1949 transitions. [2023-08-29 03:21:54,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.534265350877193 [2023-08-29 03:21:54,419 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1949 transitions. [2023-08-29 03:21:54,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1949 transitions. [2023-08-29 03:21:54,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:54,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1949 transitions. [2023-08-29 03:21:54,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 324.8333333333333) internal successors, (1949), 6 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,432 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,432 INFO L175 Difference]: Start difference. First operand has 116 places, 117 transitions, 281 flow. Second operand 6 states and 1949 transitions. [2023-08-29 03:21:54,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 123 transitions, 393 flow [2023-08-29 03:21:54,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 123 transitions, 393 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:54,436 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 347 flow [2023-08-29 03:21:54,436 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=347, PETRI_PLACES=124, PETRI_TRANSITIONS=123} [2023-08-29 03:21:54,437 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2023-08-29 03:21:54,437 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 347 flow [2023-08-29 03:21:54,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 318.875) internal successors, (2551), 8 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:54,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:54,438 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:54,446 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 03:21:54,646 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,SelfDestructingSolverStorable5 [2023-08-29 03:21:54,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:54,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:54,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1185110845, now seen corresponding path program 2 times [2023-08-29 03:21:54,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:54,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804984758] [2023-08-29 03:21:54,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:54,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:21:54,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:54,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804984758] [2023-08-29 03:21:54,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804984758] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:21:54,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114932605] [2023-08-29 03:21:54,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 03:21:54,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:21:54,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:54,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:21:54,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 03:21:54,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 03:21:54,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:21:54,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2023-08-29 03:21:54,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:21:54,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-29 03:21:55,018 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 19 treesize of output 18 [2023-08-29 03:21:55,056 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:21:55,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-08-29 03:21:55,092 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:21:55,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-08-29 03:21:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 03:21:55,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:21:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114932605] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:55,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:21:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2023-08-29 03:21:55,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516789744] [2023-08-29 03:21:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:55,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 03:21:55,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:55,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 03:21:55,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-08-29 03:21:55,578 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 608 [2023-08-29 03:21:55,580 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 347 flow. Second operand has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:55,580 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:55,580 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 608 [2023-08-29 03:21:55,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:56,152 INFO L130 PetriNetUnfolder]: 1672/3749 cut-off events. [2023-08-29 03:21:56,152 INFO L131 PetriNetUnfolder]: For 368/368 co-relation queries the response was YES. [2023-08-29 03:21:56,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6792 conditions, 3749 events. 1672/3749 cut-off events. For 368/368 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 27125 event pairs, 78 based on Foata normal form. 0/3138 useless extension candidates. Maximal degree in co-relation 6781. Up to 949 conditions per place. [2023-08-29 03:21:56,177 INFO L137 encePairwiseOnDemand]: 602/608 looper letters, 143 selfloop transitions, 5 changer transitions 0/222 dead transitions. [2023-08-29 03:21:56,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 222 transitions, 901 flow [2023-08-29 03:21:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:21:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:21:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2310 transitions. [2023-08-29 03:21:56,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5427631578947368 [2023-08-29 03:21:56,184 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2310 transitions. [2023-08-29 03:21:56,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2310 transitions. [2023-08-29 03:21:56,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:56,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2310 transitions. [2023-08-29 03:21:56,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 608.0) internal successors, (4864), 8 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,197 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 608.0) internal successors, (4864), 8 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,197 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 347 flow. Second operand 7 states and 2310 transitions. [2023-08-29 03:21:56,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 222 transitions, 901 flow [2023-08-29 03:21:56,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 222 transitions, 885 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-29 03:21:56,202 INFO L231 Difference]: Finished difference. Result has 128 places, 122 transitions, 339 flow [2023-08-29 03:21:56,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=339, PETRI_PLACES=128, PETRI_TRANSITIONS=122} [2023-08-29 03:21:56,203 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2023-08-29 03:21:56,203 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 122 transitions, 339 flow [2023-08-29 03:21:56,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:56,204 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:56,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 03:21:56,409 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,SelfDestructingSolverStorable6 [2023-08-29 03:21:56,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:56,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:56,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1652931622, now seen corresponding path program 1 times [2023-08-29 03:21:56,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:56,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136825738] [2023-08-29 03:21:56,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:56,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 03:21:56,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:56,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136825738] [2023-08-29 03:21:56,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136825738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:56,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:56,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:21:56,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337000345] [2023-08-29 03:21:56,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:56,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:21:56,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:56,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:21:56,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:21:56,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 608 [2023-08-29 03:21:56,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 122 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:56,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 608 [2023-08-29 03:21:56,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:56,825 INFO L130 PetriNetUnfolder]: 836/2563 cut-off events. [2023-08-29 03:21:56,826 INFO L131 PetriNetUnfolder]: For 369/369 co-relation queries the response was YES. [2023-08-29 03:21:56,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4440 conditions, 2563 events. 836/2563 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 18452 event pairs, 178 based on Foata normal form. 0/2277 useless extension candidates. Maximal degree in co-relation 4428. Up to 1160 conditions per place. [2023-08-29 03:21:56,847 INFO L137 encePairwiseOnDemand]: 602/608 looper letters, 65 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2023-08-29 03:21:56,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 133 transitions, 506 flow [2023-08-29 03:21:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:21:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:21:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1008 transitions. [2023-08-29 03:21:56,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2023-08-29 03:21:56,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1008 transitions. [2023-08-29 03:21:56,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1008 transitions. [2023-08-29 03:21:56,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:56,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1008 transitions. [2023-08-29 03:21:56,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.0) internal successors, (1008), 3 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,858 INFO L175 Difference]: Start difference. First operand has 128 places, 122 transitions, 339 flow. Second operand 3 states and 1008 transitions. [2023-08-29 03:21:56,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 133 transitions, 506 flow [2023-08-29 03:21:56,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 133 transitions, 495 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:21:56,862 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 336 flow [2023-08-29 03:21:56,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2023-08-29 03:21:56,863 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2023-08-29 03:21:56,863 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 336 flow [2023-08-29 03:21:56,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:56,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:56,864 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:56,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:21:56,864 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:56,865 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:56,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1111089327, now seen corresponding path program 1 times [2023-08-29 03:21:56,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:56,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665361447] [2023-08-29 03:21:56,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:56,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:21:57,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665361447] [2023-08-29 03:21:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665361447] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:21:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508713912] [2023-08-29 03:21:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:57,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:21:57,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:21:57,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:21:57,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 03:21:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:57,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:21:57,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:21:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:21:57,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:21:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-29 03:21:57,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508713912] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:21:57,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:21:57,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-08-29 03:21:57,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677463783] [2023-08-29 03:21:57,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:21:57,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-29 03:21:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:57,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-29 03:21:57,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2023-08-29 03:21:57,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 608 [2023-08-29 03:21:57,487 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 336 flow. Second operand has 13 states, 13 states have (on average 318.53846153846155) internal successors, (4141), 13 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,487 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:57,487 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 608 [2023-08-29 03:21:57,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:57,757 INFO L130 PetriNetUnfolder]: 507/1691 cut-off events. [2023-08-29 03:21:57,757 INFO L131 PetriNetUnfolder]: For 138/161 co-relation queries the response was YES. [2023-08-29 03:21:57,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2819 conditions, 1691 events. 507/1691 cut-off events. For 138/161 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 11929 event pairs, 250 based on Foata normal form. 1/1443 useless extension candidates. Maximal degree in co-relation 2807. Up to 770 conditions per place. [2023-08-29 03:21:57,769 INFO L137 encePairwiseOnDemand]: 603/608 looper letters, 34 selfloop transitions, 12 changer transitions 0/122 dead transitions. [2023-08-29 03:21:57,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 440 flow [2023-08-29 03:21:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:21:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:21:57,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2264 transitions. [2023-08-29 03:21:57,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319548872180451 [2023-08-29 03:21:57,775 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2264 transitions. [2023-08-29 03:21:57,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2264 transitions. [2023-08-29 03:21:57,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:57,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2264 transitions. [2023-08-29 03:21:57,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 323.42857142857144) internal successors, (2264), 7 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 608.0) internal successors, (4864), 8 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,787 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 608.0) internal successors, (4864), 8 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,787 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 336 flow. Second operand 7 states and 2264 transitions. [2023-08-29 03:21:57,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 440 flow [2023-08-29 03:21:57,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 122 transitions, 440 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:21:57,791 INFO L231 Difference]: Finished difference. Result has 129 places, 122 transitions, 382 flow [2023-08-29 03:21:57,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=382, PETRI_PLACES=129, PETRI_TRANSITIONS=122} [2023-08-29 03:21:57,792 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, 2 predicate places. [2023-08-29 03:21:57,792 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 122 transitions, 382 flow [2023-08-29 03:21:57,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 318.53846153846155) internal successors, (4141), 13 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:57,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:57,793 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:57,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 03:21:57,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:21:57,999 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:57,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:57,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2053023795, now seen corresponding path program 2 times [2023-08-29 03:21:58,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:58,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024851551] [2023-08-29 03:21:58,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:58,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:21:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:21:58,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:21:58,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024851551] [2023-08-29 03:21:58,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024851551] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:21:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:21:58,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:21:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145449321] [2023-08-29 03:21:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:21:58,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:21:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:21:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:21:58,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:21:58,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 608 [2023-08-29 03:21:58,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 307.3333333333333) internal successors, (1844), 6 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:58,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:21:58,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 608 [2023-08-29 03:21:58,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:21:59,540 INFO L130 PetriNetUnfolder]: 1006/2787 cut-off events. [2023-08-29 03:21:59,540 INFO L131 PetriNetUnfolder]: For 171/171 co-relation queries the response was YES. [2023-08-29 03:21:59,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4868 conditions, 2787 events. 1006/2787 cut-off events. For 171/171 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 20313 event pairs, 185 based on Foata normal form. 0/2501 useless extension candidates. Maximal degree in co-relation 4854. Up to 784 conditions per place. [2023-08-29 03:21:59,555 INFO L137 encePairwiseOnDemand]: 601/608 looper letters, 117 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2023-08-29 03:21:59,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 186 transitions, 767 flow [2023-08-29 03:21:59,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:21:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:21:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1941 transitions. [2023-08-29 03:21:59,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5320723684210527 [2023-08-29 03:21:59,562 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1941 transitions. [2023-08-29 03:21:59,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1941 transitions. [2023-08-29 03:21:59,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:21:59,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1941 transitions. [2023-08-29 03:21:59,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,572 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,572 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 382 flow. Second operand 6 states and 1941 transitions. [2023-08-29 03:21:59,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 186 transitions, 767 flow [2023-08-29 03:21:59,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 186 transitions, 743 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-08-29 03:21:59,576 INFO L231 Difference]: Finished difference. Result has 128 places, 120 transitions, 364 flow [2023-08-29 03:21:59,576 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=364, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2023-08-29 03:21:59,577 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2023-08-29 03:21:59,577 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 364 flow [2023-08-29 03:21:59,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.3333333333333) internal successors, (1844), 6 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:21:59,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:21:59,578 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:21:59,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:21:59,578 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:21:59,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:21:59,579 INFO L85 PathProgramCache]: Analyzing trace with hash -219873082, now seen corresponding path program 1 times [2023-08-29 03:21:59,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:21:59,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708411826] [2023-08-29 03:21:59,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:21:59,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:21:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:22:00,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:00,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708411826] [2023-08-29 03:22:00,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708411826] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:00,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:00,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551267892] [2023-08-29 03:22:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:00,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:00,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:00,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:00,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 608 [2023-08-29 03:22:00,489 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 364 flow. Second operand has 6 states, 6 states have (on average 307.6666666666667) internal successors, (1846), 6 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,489 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:00,489 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 608 [2023-08-29 03:22:00,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:00,852 INFO L130 PetriNetUnfolder]: 879/2205 cut-off events. [2023-08-29 03:22:00,852 INFO L131 PetriNetUnfolder]: For 282/333 co-relation queries the response was YES. [2023-08-29 03:22:00,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4170 conditions, 2205 events. 879/2205 cut-off events. For 282/333 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 14846 event pairs, 155 based on Foata normal form. 0/2029 useless extension candidates. Maximal degree in co-relation 4155. Up to 714 conditions per place. [2023-08-29 03:22:00,868 INFO L137 encePairwiseOnDemand]: 601/608 looper letters, 101 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2023-08-29 03:22:00,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 170 transitions, 716 flow [2023-08-29 03:22:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1921 transitions. [2023-08-29 03:22:00,874 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5265899122807017 [2023-08-29 03:22:00,874 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1921 transitions. [2023-08-29 03:22:00,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1921 transitions. [2023-08-29 03:22:00,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:00,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1921 transitions. [2023-08-29 03:22:00,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,883 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,883 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 364 flow. Second operand 6 states and 1921 transitions. [2023-08-29 03:22:00,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 170 transitions, 716 flow [2023-08-29 03:22:00,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 170 transitions, 698 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:22:00,888 INFO L231 Difference]: Finished difference. Result has 126 places, 118 transitions, 360 flow [2023-08-29 03:22:00,889 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=360, PETRI_PLACES=126, PETRI_TRANSITIONS=118} [2023-08-29 03:22:00,889 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -1 predicate places. [2023-08-29 03:22:00,889 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 118 transitions, 360 flow [2023-08-29 03:22:00,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.6666666666667) internal successors, (1846), 6 states have internal predecessors, (1846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:00,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:00,890 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:00,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:22:00,891 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:22:00,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:00,891 INFO L85 PathProgramCache]: Analyzing trace with hash 884160698, now seen corresponding path program 1 times [2023-08-29 03:22:00,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:00,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499657057] [2023-08-29 03:22:00,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:00,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:22:01,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:01,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499657057] [2023-08-29 03:22:01,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499657057] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:01,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:01,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:01,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366848883] [2023-08-29 03:22:01,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:01,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:01,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:01,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:01,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:01,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 608 [2023-08-29 03:22:01,779 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 360 flow. Second operand has 6 states, 6 states have (on average 315.0) internal successors, (1890), 6 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:01,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:01,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 608 [2023-08-29 03:22:01,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:02,102 INFO L130 PetriNetUnfolder]: 595/1732 cut-off events. [2023-08-29 03:22:02,102 INFO L131 PetriNetUnfolder]: For 196/230 co-relation queries the response was YES. [2023-08-29 03:22:02,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3188 conditions, 1732 events. 595/1732 cut-off events. For 196/230 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 11904 event pairs, 253 based on Foata normal form. 0/1560 useless extension candidates. Maximal degree in co-relation 3173. Up to 771 conditions per place. [2023-08-29 03:22:02,111 INFO L137 encePairwiseOnDemand]: 603/608 looper letters, 90 selfloop transitions, 4 changer transitions 8/169 dead transitions. [2023-08-29 03:22:02,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 169 transitions, 690 flow [2023-08-29 03:22:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1962 transitions. [2023-08-29 03:22:02,117 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.537828947368421 [2023-08-29 03:22:02,117 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1962 transitions. [2023-08-29 03:22:02,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1962 transitions. [2023-08-29 03:22:02,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:02,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1962 transitions. [2023-08-29 03:22:02,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 327.0) internal successors, (1962), 6 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,126 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,126 INFO L175 Difference]: Start difference. First operand has 126 places, 118 transitions, 360 flow. Second operand 6 states and 1962 transitions. [2023-08-29 03:22:02,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 169 transitions, 690 flow [2023-08-29 03:22:02,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 169 transitions, 664 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:22:02,130 INFO L231 Difference]: Finished difference. Result has 125 places, 117 transitions, 356 flow [2023-08-29 03:22:02,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=125, PETRI_TRANSITIONS=117} [2023-08-29 03:22:02,132 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -2 predicate places. [2023-08-29 03:22:02,132 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 117 transitions, 356 flow [2023-08-29 03:22:02,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.0) internal successors, (1890), 6 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:02,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:02,133 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:02,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:22:02,133 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:22:02,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:02,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1816870821, now seen corresponding path program 1 times [2023-08-29 03:22:02,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:02,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788955070] [2023-08-29 03:22:02,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:02,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:22:02,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:02,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788955070] [2023-08-29 03:22:02,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788955070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:02,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:02,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:02,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71212924] [2023-08-29 03:22:02,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:02,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:02,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:02,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:02,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:03,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 608 [2023-08-29 03:22:03,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 356 flow. Second operand has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:03,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:03,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 608 [2023-08-29 03:22:03,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:03,330 INFO L130 PetriNetUnfolder]: 722/1817 cut-off events. [2023-08-29 03:22:03,331 INFO L131 PetriNetUnfolder]: For 206/240 co-relation queries the response was YES. [2023-08-29 03:22:03,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3409 conditions, 1817 events. 722/1817 cut-off events. For 206/240 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 12035 event pairs, 165 based on Foata normal form. 0/1632 useless extension candidates. Maximal degree in co-relation 3394. Up to 512 conditions per place. [2023-08-29 03:22:03,342 INFO L137 encePairwiseOnDemand]: 601/608 looper letters, 96 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2023-08-29 03:22:03,343 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 163 transitions, 678 flow [2023-08-29 03:22:03,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1920 transitions. [2023-08-29 03:22:03,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5263157894736842 [2023-08-29 03:22:03,349 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1920 transitions. [2023-08-29 03:22:03,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1920 transitions. [2023-08-29 03:22:03,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:03,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1920 transitions. [2023-08-29 03:22:03,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:03,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:03,359 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:03,359 INFO L175 Difference]: Start difference. First operand has 125 places, 117 transitions, 356 flow. Second operand 6 states and 1920 transitions. [2023-08-29 03:22:03,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 163 transitions, 678 flow [2023-08-29 03:22:03,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 163 transitions, 663 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:22:03,363 INFO L231 Difference]: Finished difference. Result has 124 places, 115 transitions, 355 flow [2023-08-29 03:22:03,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=355, PETRI_PLACES=124, PETRI_TRANSITIONS=115} [2023-08-29 03:22:03,364 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2023-08-29 03:22:03,364 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 115 transitions, 355 flow [2023-08-29 03:22:03,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:03,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:03,365 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:03,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:22:03,365 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 03:22:03,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:03,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1991814029, now seen corresponding path program 1 times [2023-08-29 03:22:03,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:03,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8883957] [2023-08-29 03:22:03,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:03,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 03:22:03,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8883957] [2023-08-29 03:22:03,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8883957] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:03,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:03,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:03,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71451883] [2023-08-29 03:22:03,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:03,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:03,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:03,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:03,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:04,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 608 [2023-08-29 03:22:04,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 115 transitions, 355 flow. Second operand has 6 states, 6 states have (on average 307.3333333333333) internal successors, (1844), 6 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:04,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:04,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 608 [2023-08-29 03:22:04,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:04,668 INFO L130 PetriNetUnfolder]: 916/2424 cut-off events. [2023-08-29 03:22:04,668 INFO L131 PetriNetUnfolder]: For 238/238 co-relation queries the response was YES. [2023-08-29 03:22:04,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4467 conditions, 2424 events. 916/2424 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 16749 event pairs, 196 based on Foata normal form. 0/2239 useless extension candidates. Maximal degree in co-relation 4452. Up to 701 conditions per place. [2023-08-29 03:22:04,677 INFO L137 encePairwiseOnDemand]: 601/608 looper letters, 0 selfloop transitions, 0 changer transitions 179/179 dead transitions. [2023-08-29 03:22:04,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 179 transitions, 754 flow [2023-08-29 03:22:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1940 transitions. [2023-08-29 03:22:04,682 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317982456140351 [2023-08-29 03:22:04,683 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1940 transitions. [2023-08-29 03:22:04,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1940 transitions. [2023-08-29 03:22:04,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:04,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1940 transitions. [2023-08-29 03:22:04,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.3333333333333) internal successors, (1940), 6 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:04,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:04,692 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:04,692 INFO L175 Difference]: Start difference. First operand has 124 places, 115 transitions, 355 flow. Second operand 6 states and 1940 transitions. [2023-08-29 03:22:04,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 179 transitions, 754 flow [2023-08-29 03:22:04,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 179 transitions, 728 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:22:04,695 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2023-08-29 03:22:04,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2023-08-29 03:22:04,696 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2023-08-29 03:22:04,696 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2023-08-29 03:22:04,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 307.3333333333333) internal successors, (1844), 6 states have internal predecessors, (1844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:22:04,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-08-29 03:22:04,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-08-29 03:22:04,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-08-29 03:22:04,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-08-29 03:22:04,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-08-29 03:22:04,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-08-29 03:22:04,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-08-29 03:22:04,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-08-29 03:22:04,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-08-29 03:22:04,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-08-29 03:22:04,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-08-29 03:22:04,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-08-29 03:22:04,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2023-08-29 03:22:04,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-08-29 03:22:04,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-08-29 03:22:04,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-08-29 03:22:04,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-08-29 03:22:04,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-08-29 03:22:04,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-08-29 03:22:04,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-08-29 03:22:04,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-08-29 03:22:04,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-08-29 03:22:04,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-08-29 03:22:04,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-08-29 03:22:04,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-08-29 03:22:04,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:22:04,710 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:04,715 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:22:04,716 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:22:04,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:22:04 BasicIcfg [2023-08-29 03:22:04,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:22:04,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:22:04,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:22:04,720 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:22:04,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:21:45" (3/4) ... [2023-08-29 03:22:04,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:22:04,728 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:22:04,728 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:22:04,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-29 03:22:04,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:22:04,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:22:04,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:22:04,782 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:22:04,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:22:04,783 INFO L158 Benchmark]: Toolchain (without parser) took 20847.31ms. Allocated memory was 81.8MB in the beginning and 356.5MB in the end (delta: 274.7MB). Free memory was 58.9MB in the beginning and 203.0MB in the end (delta: -144.1MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,783 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:22:04,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.38ms. Allocated memory is still 81.8MB. Free memory was 58.9MB in the beginning and 46.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.51ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 43.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,784 INFO L158 Benchmark]: Boogie Preprocessor took 74.09ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,784 INFO L158 Benchmark]: RCFGBuilder took 688.03ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 32.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,785 INFO L158 Benchmark]: TraceAbstraction took 19599.05ms. Allocated memory was 81.8MB in the beginning and 356.5MB in the end (delta: 274.7MB). Free memory was 31.6MB in the beginning and 207.2MB in the end (delta: -175.6MB). Peak memory consumption was 221.4MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,785 INFO L158 Benchmark]: Witness Printer took 62.53ms. Allocated memory is still 356.5MB. Free memory was 207.2MB in the beginning and 203.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:22:04,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.38ms. Allocated memory is still 81.8MB. Free memory was 58.9MB in the beginning and 46.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.51ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 43.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.09ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 688.03ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 32.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19599.05ms. Allocated memory was 81.8MB in the beginning and 356.5MB in the end (delta: 274.7MB). Free memory was 31.6MB in the beginning and 207.2MB in the end (delta: -175.6MB). Peak memory consumption was 221.4MB. Max. memory is 16.1GB. * Witness Printer took 62.53ms. Allocated memory is still 356.5MB. Free memory was 207.2MB in the beginning and 203.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.1s, 317 PlacesBefore, 127 PlacesAfterwards, 328 TransitionsBefore, 131 TransitionsAfterwards, 18468 CoEnabledTransitionPairs, 7 FixpointIterations, 134 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 20 ConcurrentYvCompositions, 7 ChoiceCompositions, 263 TotalNumberOfCompositions, 120361 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25295, independent: 23730, independent conditional: 0, independent unconditional: 23730, dependent: 1565, dependent conditional: 0, dependent unconditional: 1565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8575, independent: 8347, independent conditional: 0, independent unconditional: 8347, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25295, independent: 15383, independent conditional: 0, independent unconditional: 15383, dependent: 1337, dependent conditional: 0, dependent unconditional: 1337, unknown: 8575, unknown conditional: 0, unknown unconditional: 8575] , Statistics on independence cache: Total cache size (in pairs): 1484, Positive cache size: 1377, Positive conditional cache size: 0, Positive unconditional cache size: 1377, Negative cache size: 107, Negative conditional cache size: 0, Negative unconditional cache size: 107, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 53]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 483 locations, 56 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: 19.4s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2645 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1650 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 1074 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5571 IncrementalHoareTripleChecker+Invalid, 6645 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1074 mSolverCounterUnsat, 72 mSDtfsCounter, 5571 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 87 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 322 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 1127 SizeOfPredicates, 2 NumberOfNonLiveVariables, 701 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 239/282 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:22:04,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE