./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/unroll-2.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 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:16:43,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:16:43,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:16:43,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:16:43,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:16:43,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:16:43,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:16:43,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:16:43,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:16:43,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:16:43,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:16:43,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:16:43,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:16:43,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:16:43,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:16:43,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:16:43,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:16:43,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:16:43,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:16:43,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:16:43,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:16:43,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:16:43,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:16:43,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:16:43,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:16:43,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:16:43,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:16:43,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:16:43,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:16:43,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:16:43,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:16:43,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:16:43,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:16:43,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:16:43,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:16:43,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:16:43,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:16:43,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:16:43,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:16:43,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:16:43,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:16:43,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:16:43,167 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:16:43,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:16:43,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:16:43,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:16:43,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:16:43,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:16:43,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:16:43,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:16:43,174 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:16:43,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:16:43,175 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:16:43,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:16:43,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:16:43,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:16:43,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:16:43,177 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:16:43,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:16:43,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:16:43,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:16:43,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:16:43,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:16:43,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:16:43,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:16:43,179 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:16:43,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:16:43,179 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:16:43,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:16:43,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:16:43,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:16:43,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:16:43,442 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:16:43,442 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:16:43,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-08-29 19:16:44,450 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:16:44,635 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:16:44,635 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-08-29 19:16:44,639 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e2dd310/2ac4ff9919dd4584a134c901d05404aa/FLAGcd4fa3cad [2023-08-29 19:16:44,650 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38e2dd310/2ac4ff9919dd4584a134c901d05404aa [2023-08-29 19:16:44,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:16:44,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:16:44,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:16:44,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:16:44,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:16:44,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56351fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44, skipping insertion in model container [2023-08-29 19:16:44,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:16:44,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:16:44,805 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/unroll-2.wvr.c[2428,2441] [2023-08-29 19:16:44,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:16:44,820 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:16:44,863 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/unroll-2.wvr.c[2428,2441] [2023-08-29 19:16:44,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:16:44,875 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:16:44,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44 WrapperNode [2023-08-29 19:16:44,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:16:44,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:16:44,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:16:44,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:16:44,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,920 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 249 [2023-08-29 19:16:44,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:16:44,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:16:44,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:16:44,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:16:44,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:16:44,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:16:44,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:16:44,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:16:44,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (1/1) ... [2023-08-29 19:16:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:16:44,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:16:44,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 19:16:45,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 19:16:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:16:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:16:45,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:16:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:16:45,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:16:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:16:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:16:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:16:45,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:16:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:16:45,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:16:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:16:45,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:16:45,037 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 19:16:45,151 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:16:45,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:16:45,559 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:16:45,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:16:45,567 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 19:16:45,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:45 BoogieIcfgContainer [2023-08-29 19:16:45,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:16:45,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:16:45,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:16:45,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:16:45,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:16:44" (1/3) ... [2023-08-29 19:16:45,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff17399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:16:45, skipping insertion in model container [2023-08-29 19:16:45,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:16:44" (2/3) ... [2023-08-29 19:16:45,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff17399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:16:45, skipping insertion in model container [2023-08-29 19:16:45,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:45" (3/3) ... [2023-08-29 19:16:45,584 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2023-08-29 19:16:45,589 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:16:45,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:16:45,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-08-29 19:16:45,595 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:16:45,675 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 19:16:45,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 291 places, 301 transitions, 618 flow [2023-08-29 19:16:45,809 INFO L130 PetriNetUnfolder]: 17/299 cut-off events. [2023-08-29 19:16:45,809 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:16:45,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 299 events. 17/299 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 492 event pairs, 0 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2023-08-29 19:16:45,815 INFO L82 GeneralOperation]: Start removeDead. Operand has 291 places, 301 transitions, 618 flow [2023-08-29 19:16:45,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 284 transitions, 580 flow [2023-08-29 19:16:45,824 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:16:45,834 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 284 transitions, 580 flow [2023-08-29 19:16:45,836 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 284 transitions, 580 flow [2023-08-29 19:16:45,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 284 transitions, 580 flow [2023-08-29 19:16:45,881 INFO L130 PetriNetUnfolder]: 16/284 cut-off events. [2023-08-29 19:16:45,881 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:16:45,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 284 events. 16/284 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 444 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 166. Up to 2 conditions per place. [2023-08-29 19:16:45,888 INFO L119 LiptonReduction]: Number of co-enabled transitions 14860 [2023-08-29 19:16:50,440 INFO L134 LiptonReduction]: Checked pairs total: 59735 [2023-08-29 19:16:50,440 INFO L136 LiptonReduction]: Total number of compositions: 294 [2023-08-29 19:16:50,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:16:50,454 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;@538fece8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:16:50,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-08-29 19:16:50,456 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:16:50,456 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:16:50,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:50,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:16:50,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:50,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:50,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1139, now seen corresponding path program 1 times [2023-08-29 19:16:50,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:50,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736677862] [2023-08-29 19:16:50,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:50,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:50,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:50,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736677862] [2023-08-29 19:16:50,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736677862] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:50,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:50,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:16:50,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719543093] [2023-08-29 19:16:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:50,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:16:50,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:50,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:16:50,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:16:50,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 595 [2023-08-29 19:16:50,556 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 285.5) internal successors, (571), 2 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,556 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:50,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 595 [2023-08-29 19:16:50,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:50,703 INFO L130 PetriNetUnfolder]: 591/1401 cut-off events. [2023-08-29 19:16:50,703 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2023-08-29 19:16:50,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2348 conditions, 1401 events. 591/1401 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 8897 event pairs, 392 based on Foata normal form. 162/1321 useless extension candidates. Maximal degree in co-relation 2117. Up to 908 conditions per place. [2023-08-29 19:16:50,711 INFO L137 encePairwiseOnDemand]: 571/595 looper letters, 33 selfloop transitions, 0 changer transitions 1/69 dead transitions. [2023-08-29 19:16:50,711 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 69 transitions, 218 flow [2023-08-29 19:16:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:16:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:16:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 628 transitions. [2023-08-29 19:16:50,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5277310924369748 [2023-08-29 19:16:50,722 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 628 transitions. [2023-08-29 19:16:50,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 628 transitions. [2023-08-29 19:16:50,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:50,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 628 transitions. [2023-08-29 19:16:50,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 314.0) internal successors, (628), 2 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 595.0) internal successors, (1785), 3 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,733 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 595.0) internal successors, (1785), 3 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,734 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 198 flow. Second operand 2 states and 628 transitions. [2023-08-29 19:16:50,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 69 transitions, 218 flow [2023-08-29 19:16:50,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 210 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:16:50,738 INFO L231 Difference]: Finished difference. Result has 68 places, 68 transitions, 139 flow [2023-08-29 19:16:50,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=139, PETRI_PLACES=68, PETRI_TRANSITIONS=68} [2023-08-29 19:16:50,741 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -24 predicate places. [2023-08-29 19:16:50,742 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 68 transitions, 139 flow [2023-08-29 19:16:50,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 285.5) internal successors, (571), 2 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:50,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 19:16:50,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:16:50,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:50,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:50,743 INFO L85 PathProgramCache]: Analyzing trace with hash -412792567, now seen corresponding path program 1 times [2023-08-29 19:16:50,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:50,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631762045] [2023-08-29 19:16:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:50,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:50,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631762045] [2023-08-29 19:16:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631762045] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:50,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:50,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760859705] [2023-08-29 19:16:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:50,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:50,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:50,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:50,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:50,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 595 [2023-08-29 19:16:50,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 68 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:50,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 595 [2023-08-29 19:16:50,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:50,954 INFO L130 PetriNetUnfolder]: 583/1387 cut-off events. [2023-08-29 19:16:50,955 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 19:16:50,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2355 conditions, 1387 events. 583/1387 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 8485 event pairs, 470 based on Foata normal form. 0/1238 useless extension candidates. Maximal degree in co-relation 2352. Up to 952 conditions per place. [2023-08-29 19:16:50,961 INFO L137 encePairwiseOnDemand]: 592/595 looper letters, 34 selfloop transitions, 1 changer transitions 0/66 dead transitions. [2023-08-29 19:16:50,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 66 transitions, 205 flow [2023-08-29 19:16:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 862 transitions. [2023-08-29 19:16:50,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48291316526610645 [2023-08-29 19:16:50,963 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 862 transitions. [2023-08-29 19:16:50,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 862 transitions. [2023-08-29 19:16:50,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:50,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 862 transitions. [2023-08-29 19:16:50,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,969 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,969 INFO L175 Difference]: Start difference. First operand has 68 places, 68 transitions, 139 flow. Second operand 3 states and 862 transitions. [2023-08-29 19:16:50,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 66 transitions, 205 flow [2023-08-29 19:16:50,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 66 transitions, 205 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:16:50,970 INFO L231 Difference]: Finished difference. Result has 67 places, 66 transitions, 137 flow [2023-08-29 19:16:50,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2023-08-29 19:16:50,971 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -25 predicate places. [2023-08-29 19:16:50,971 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 137 flow [2023-08-29 19:16:50,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:50,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:50,972 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:50,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:16:50,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:50,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1556377932, now seen corresponding path program 1 times [2023-08-29 19:16:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:50,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524723106] [2023-08-29 19:16:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:51,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:51,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524723106] [2023-08-29 19:16:51,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524723106] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:51,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:51,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:51,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299338978] [2023-08-29 19:16:51,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:51,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:51,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:51,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:51,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:51,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 595 [2023-08-29 19:16:51,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:51,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 595 [2023-08-29 19:16:51,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:51,138 INFO L130 PetriNetUnfolder]: 591/1321 cut-off events. [2023-08-29 19:16:51,138 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-08-29 19:16:51,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 1321 events. 591/1321 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 8006 event pairs, 392 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 2238. Up to 906 conditions per place. [2023-08-29 19:16:51,143 INFO L137 encePairwiseOnDemand]: 591/595 looper letters, 32 selfloop transitions, 1 changer transitions 0/63 dead transitions. [2023-08-29 19:16:51,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 63 transitions, 197 flow [2023-08-29 19:16:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 843 transitions. [2023-08-29 19:16:51,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722689075630252 [2023-08-29 19:16:51,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 843 transitions. [2023-08-29 19:16:51,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 843 transitions. [2023-08-29 19:16:51,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:51,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 843 transitions. [2023-08-29 19:16:51,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,151 INFO L175 Difference]: Start difference. First operand has 67 places, 66 transitions, 137 flow. Second operand 3 states and 843 transitions. [2023-08-29 19:16:51,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 63 transitions, 197 flow [2023-08-29 19:16:51,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 63 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:16:51,152 INFO L231 Difference]: Finished difference. Result has 65 places, 63 transitions, 132 flow [2023-08-29 19:16:51,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=65, PETRI_TRANSITIONS=63} [2023-08-29 19:16:51,153 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -27 predicate places. [2023-08-29 19:16:51,153 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 63 transitions, 132 flow [2023-08-29 19:16:51,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.0) internal successors, (813), 3 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,154 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:51,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:51,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:16:51,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:51,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1556247879, now seen corresponding path program 1 times [2023-08-29 19:16:51,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:51,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301894297] [2023-08-29 19:16:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:51,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:51,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:51,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301894297] [2023-08-29 19:16:51,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301894297] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:51,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:51,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:51,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493043778] [2023-08-29 19:16:51,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:51,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:51,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:51,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:51,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:51,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 595 [2023-08-29 19:16:51,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 63 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:51,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 595 [2023-08-29 19:16:51,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:51,398 INFO L130 PetriNetUnfolder]: 889/2116 cut-off events. [2023-08-29 19:16:51,398 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-08-29 19:16:51,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3566 conditions, 2116 events. 889/2116 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 13859 event pairs, 351 based on Foata normal form. 0/1842 useless extension candidates. Maximal degree in co-relation 3562. Up to 735 conditions per place. [2023-08-29 19:16:51,406 INFO L137 encePairwiseOnDemand]: 591/595 looper letters, 57 selfloop transitions, 3 changer transitions 0/90 dead transitions. [2023-08-29 19:16:51,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 90 transitions, 308 flow [2023-08-29 19:16:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2023-08-29 19:16:51,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2023-08-29 19:16:51,409 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2023-08-29 19:16:51,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2023-08-29 19:16:51,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:51,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2023-08-29 19:16:51,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,414 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,414 INFO L175 Difference]: Start difference. First operand has 65 places, 63 transitions, 132 flow. Second operand 3 states and 910 transitions. [2023-08-29 19:16:51,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 90 transitions, 308 flow [2023-08-29 19:16:51,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 307 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:16:51,416 INFO L231 Difference]: Finished difference. Result has 68 places, 65 transitions, 153 flow [2023-08-29 19:16:51,416 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=68, PETRI_TRANSITIONS=65} [2023-08-29 19:16:51,417 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -24 predicate places. [2023-08-29 19:16:51,417 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 153 flow [2023-08-29 19:16:51,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,418 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:51,418 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:51,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:16:51,418 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:51,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1030267344, now seen corresponding path program 1 times [2023-08-29 19:16:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:51,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878688461] [2023-08-29 19:16:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:51,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:51,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:51,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878688461] [2023-08-29 19:16:51,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878688461] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:51,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:51,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:51,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558377684] [2023-08-29 19:16:51,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:51,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:51,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:51,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:51,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 595 [2023-08-29 19:16:51,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:51,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 595 [2023-08-29 19:16:51,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:51,627 INFO L130 PetriNetUnfolder]: 975/2172 cut-off events. [2023-08-29 19:16:51,627 INFO L131 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2023-08-29 19:16:51,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4004 conditions, 2172 events. 975/2172 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 14067 event pairs, 272 based on Foata normal form. 0/1900 useless extension candidates. Maximal degree in co-relation 3999. Up to 1416 conditions per place. [2023-08-29 19:16:51,636 INFO L137 encePairwiseOnDemand]: 590/595 looper letters, 49 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-08-29 19:16:51,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 78 transitions, 285 flow [2023-08-29 19:16:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 877 transitions. [2023-08-29 19:16:51,639 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49131652661064423 [2023-08-29 19:16:51,639 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 877 transitions. [2023-08-29 19:16:51,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 877 transitions. [2023-08-29 19:16:51,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:51,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 877 transitions. [2023-08-29 19:16:51,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,644 INFO L175 Difference]: Start difference. First operand has 68 places, 65 transitions, 153 flow. Second operand 3 states and 877 transitions. [2023-08-29 19:16:51,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 78 transitions, 285 flow [2023-08-29 19:16:51,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 279 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 19:16:51,646 INFO L231 Difference]: Finished difference. Result has 66 places, 64 transitions, 155 flow [2023-08-29 19:16:51,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2023-08-29 19:16:51,647 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -26 predicate places. [2023-08-29 19:16:51,647 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 155 flow [2023-08-29 19:16:51,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:51,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:51,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:16:51,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:51,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2007441755, now seen corresponding path program 1 times [2023-08-29 19:16:51,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:51,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499571054] [2023-08-29 19:16:51,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:51,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:16:51,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499571054] [2023-08-29 19:16:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499571054] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:51,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390013511] [2023-08-29 19:16:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:51,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:51,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:51,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:51,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:51,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 595 [2023-08-29 19:16:51,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:51,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 595 [2023-08-29 19:16:51,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:51,893 INFO L130 PetriNetUnfolder]: 975/2178 cut-off events. [2023-08-29 19:16:51,893 INFO L131 PetriNetUnfolder]: For 253/253 co-relation queries the response was YES. [2023-08-29 19:16:51,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4092 conditions, 2178 events. 975/2178 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 14216 event pairs, 746 based on Foata normal form. 0/1902 useless extension candidates. Maximal degree in co-relation 4087. Up to 1574 conditions per place. [2023-08-29 19:16:51,903 INFO L137 encePairwiseOnDemand]: 592/595 looper letters, 36 selfloop transitions, 2 changer transitions 0/65 dead transitions. [2023-08-29 19:16:51,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 65 transitions, 233 flow [2023-08-29 19:16:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2023-08-29 19:16:51,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918767507002801 [2023-08-29 19:16:51,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 878 transitions. [2023-08-29 19:16:51,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 878 transitions. [2023-08-29 19:16:51,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:51,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 878 transitions. [2023-08-29 19:16:51,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,910 INFO L175 Difference]: Start difference. First operand has 66 places, 64 transitions, 155 flow. Second operand 3 states and 878 transitions. [2023-08-29 19:16:51,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 65 transitions, 233 flow [2023-08-29 19:16:51,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 65 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:16:51,912 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 167 flow [2023-08-29 19:16:51,912 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2023-08-29 19:16:51,913 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -23 predicate places. [2023-08-29 19:16:51,913 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 167 flow [2023-08-29 19:16:51,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:51,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:51,914 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:51,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:16:51,914 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:51,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:51,914 INFO L85 PathProgramCache]: Analyzing trace with hash 130373002, now seen corresponding path program 1 times [2023-08-29 19:16:51,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:51,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423869854] [2023-08-29 19:16:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:51,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:16:52,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:52,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423869854] [2023-08-29 19:16:52,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423869854] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:52,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:52,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:16:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710336798] [2023-08-29 19:16:52,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:52,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:16:52,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:52,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:16:52,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:16:52,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 595 [2023-08-29 19:16:52,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:52,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 595 [2023-08-29 19:16:52,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:52,825 INFO L130 PetriNetUnfolder]: 3187/5407 cut-off events. [2023-08-29 19:16:52,825 INFO L131 PetriNetUnfolder]: For 780/780 co-relation queries the response was YES. [2023-08-29 19:16:52,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11104 conditions, 5407 events. 3187/5407 cut-off events. For 780/780 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 34450 event pairs, 367 based on Foata normal form. 0/4761 useless extension candidates. Maximal degree in co-relation 11097. Up to 1746 conditions per place. [2023-08-29 19:16:52,847 INFO L137 encePairwiseOnDemand]: 590/595 looper letters, 150 selfloop transitions, 4 changer transitions 0/176 dead transitions. [2023-08-29 19:16:52,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 176 transitions, 777 flow [2023-08-29 19:16:52,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:16:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:16:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1766 transitions. [2023-08-29 19:16:52,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4946778711484594 [2023-08-29 19:16:52,851 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1766 transitions. [2023-08-29 19:16:52,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1766 transitions. [2023-08-29 19:16:52,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:52,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1766 transitions. [2023-08-29 19:16:52,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 294.3333333333333) internal successors, (1766), 6 states have internal predecessors, (1766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,858 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 167 flow. Second operand 6 states and 1766 transitions. [2023-08-29 19:16:52,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 176 transitions, 777 flow [2023-08-29 19:16:52,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 176 transitions, 773 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 19:16:52,862 INFO L231 Difference]: Finished difference. Result has 72 places, 64 transitions, 169 flow [2023-08-29 19:16:52,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=72, PETRI_TRANSITIONS=64} [2023-08-29 19:16:52,863 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -20 predicate places. [2023-08-29 19:16:52,863 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 64 transitions, 169 flow [2023-08-29 19:16:52,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 273.8333333333333) internal successors, (1643), 6 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:52,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:52,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 19:16:52,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:52,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:52,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1883474253, now seen corresponding path program 1 times [2023-08-29 19:16:52,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:52,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785791109] [2023-08-29 19:16:52,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:52,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:16:52,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:52,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785791109] [2023-08-29 19:16:52,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785791109] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:52,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:52,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:16:52,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922275081] [2023-08-29 19:16:52,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:52,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:16:52,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:52,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:16:52,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:16:52,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 595 [2023-08-29 19:16:52,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 64 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:52,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:52,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 595 [2023-08-29 19:16:52,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:53,136 INFO L130 PetriNetUnfolder]: 1224/2729 cut-off events. [2023-08-29 19:16:53,136 INFO L131 PetriNetUnfolder]: For 678/678 co-relation queries the response was YES. [2023-08-29 19:16:53,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5586 conditions, 2729 events. 1224/2729 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 17610 event pairs, 620 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 5579. Up to 1196 conditions per place. [2023-08-29 19:16:53,148 INFO L137 encePairwiseOnDemand]: 590/595 looper letters, 56 selfloop transitions, 4 changer transitions 0/86 dead transitions. [2023-08-29 19:16:53,149 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 86 transitions, 350 flow [2023-08-29 19:16:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:16:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:16:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2023-08-29 19:16:53,151 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5042016806722689 [2023-08-29 19:16:53,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 900 transitions. [2023-08-29 19:16:53,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 900 transitions. [2023-08-29 19:16:53,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:53,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 900 transitions. [2023-08-29 19:16:53,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,155 INFO L175 Difference]: Start difference. First operand has 72 places, 64 transitions, 169 flow. Second operand 3 states and 900 transitions. [2023-08-29 19:16:53,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 86 transitions, 350 flow [2023-08-29 19:16:53,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 86 transitions, 341 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:16:53,158 INFO L231 Difference]: Finished difference. Result has 71 places, 65 transitions, 180 flow [2023-08-29 19:16:53,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=71, PETRI_TRANSITIONS=65} [2023-08-29 19:16:53,158 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -21 predicate places. [2023-08-29 19:16:53,159 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 65 transitions, 180 flow [2023-08-29 19:16:53,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:53,159 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:53,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 19:16:53,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:53,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1183115604, now seen corresponding path program 1 times [2023-08-29 19:16:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:53,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582924824] [2023-08-29 19:16:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:16:53,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:53,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582924824] [2023-08-29 19:16:53,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582924824] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:53,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:53,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:16:53,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621221515] [2023-08-29 19:16:53,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:53,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:16:53,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:16:53,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:16:53,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 595 [2023-08-29 19:16:53,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 65 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 273.5) internal successors, (1641), 6 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:53,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 595 [2023-08-29 19:16:53,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:53,901 INFO L130 PetriNetUnfolder]: 1784/3497 cut-off events. [2023-08-29 19:16:53,902 INFO L131 PetriNetUnfolder]: For 550/550 co-relation queries the response was YES. [2023-08-29 19:16:53,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7316 conditions, 3497 events. 1784/3497 cut-off events. For 550/550 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 21406 event pairs, 1025 based on Foata normal form. 92/3363 useless extension candidates. Maximal degree in co-relation 7308. Up to 2030 conditions per place. [2023-08-29 19:16:53,915 INFO L137 encePairwiseOnDemand]: 589/595 looper letters, 113 selfloop transitions, 6 changer transitions 0/140 dead transitions. [2023-08-29 19:16:53,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 140 transitions, 632 flow [2023-08-29 19:16:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:16:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:16:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1736 transitions. [2023-08-29 19:16:53,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48627450980392156 [2023-08-29 19:16:53,928 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1736 transitions. [2023-08-29 19:16:53,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1736 transitions. [2023-08-29 19:16:53,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:53,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1736 transitions. [2023-08-29 19:16:53,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 289.3333333333333) internal successors, (1736), 6 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,937 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,938 INFO L175 Difference]: Start difference. First operand has 71 places, 65 transitions, 180 flow. Second operand 6 states and 1736 transitions. [2023-08-29 19:16:53,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 140 transitions, 632 flow [2023-08-29 19:16:53,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 140 transitions, 616 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:16:53,940 INFO L231 Difference]: Finished difference. Result has 74 places, 64 transitions, 186 flow [2023-08-29 19:16:53,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=186, PETRI_PLACES=74, PETRI_TRANSITIONS=64} [2023-08-29 19:16:53,941 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -18 predicate places. [2023-08-29 19:16:53,941 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 64 transitions, 186 flow [2023-08-29 19:16:53,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 273.5) internal successors, (1641), 6 states have internal predecessors, (1641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:53,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:53,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:53,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 19:16:53,942 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:53,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1200984865, now seen corresponding path program 1 times [2023-08-29 19:16:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264505197] [2023-08-29 19:16:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:16:54,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:54,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264505197] [2023-08-29 19:16:54,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264505197] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:54,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:54,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:16:54,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949799003] [2023-08-29 19:16:54,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:54,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:16:54,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:54,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:16:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:16:54,247 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 595 [2023-08-29 19:16:54,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 64 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 266.6666666666667) internal successors, (1600), 6 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:54,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 595 [2023-08-29 19:16:54,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:54,569 INFO L130 PetriNetUnfolder]: 1683/3069 cut-off events. [2023-08-29 19:16:54,569 INFO L131 PetriNetUnfolder]: For 686/686 co-relation queries the response was YES. [2023-08-29 19:16:54,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6879 conditions, 3069 events. 1683/3069 cut-off events. For 686/686 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 17642 event pairs, 890 based on Foata normal form. 102/2939 useless extension candidates. Maximal degree in co-relation 6871. Up to 1775 conditions per place. [2023-08-29 19:16:54,581 INFO L137 encePairwiseOnDemand]: 583/595 looper letters, 90 selfloop transitions, 11 changer transitions 0/118 dead transitions. [2023-08-29 19:16:54,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 118 transitions, 564 flow [2023-08-29 19:16:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:16:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:16:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1673 transitions. [2023-08-29 19:16:54,585 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46862745098039216 [2023-08-29 19:16:54,586 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1673 transitions. [2023-08-29 19:16:54,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1673 transitions. [2023-08-29 19:16:54,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:54,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1673 transitions. [2023-08-29 19:16:54,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 278.8333333333333) internal successors, (1673), 6 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,594 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,594 INFO L175 Difference]: Start difference. First operand has 74 places, 64 transitions, 186 flow. Second operand 6 states and 1673 transitions. [2023-08-29 19:16:54,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 118 transitions, 564 flow [2023-08-29 19:16:54,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 118 transitions, 536 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:16:54,597 INFO L231 Difference]: Finished difference. Result has 72 places, 62 transitions, 192 flow [2023-08-29 19:16:54,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2023-08-29 19:16:54,598 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -20 predicate places. [2023-08-29 19:16:54,598 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 192 flow [2023-08-29 19:16:54,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.6666666666667) internal successors, (1600), 6 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:16:54,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:54,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 19:16:54,599 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2023-08-29 19:16:54,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:16:54,600 INFO L85 PathProgramCache]: Analyzing trace with hash -889944019, now seen corresponding path program 1 times [2023-08-29 19:16:54,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:16:54,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125892162] [2023-08-29 19:16:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:16:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:16:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:16:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:16:54,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:16:54,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125892162] [2023-08-29 19:16:54,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125892162] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:16:54,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:16:54,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:16:54,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946671180] [2023-08-29 19:16:54,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:16:54,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:16:54,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:16:54,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:16:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:16:54,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 595 [2023-08-29 19:16:54,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 274.3333333333333) internal successors, (1646), 6 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:54,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:16:54,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 595 [2023-08-29 19:16:54,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:16:55,309 INFO L130 PetriNetUnfolder]: 1408/2875 cut-off events. [2023-08-29 19:16:55,310 INFO L131 PetriNetUnfolder]: For 611/611 co-relation queries the response was YES. [2023-08-29 19:16:55,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6488 conditions, 2875 events. 1408/2875 cut-off events. For 611/611 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 17765 event pairs, 983 based on Foata normal form. 0/2668 useless extension candidates. Maximal degree in co-relation 6480. Up to 1940 conditions per place. [2023-08-29 19:16:55,316 INFO L137 encePairwiseOnDemand]: 590/595 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2023-08-29 19:16:55,316 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 129 transitions, 648 flow [2023-08-29 19:16:55,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:16:55,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:16:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1730 transitions. [2023-08-29 19:16:55,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.484593837535014 [2023-08-29 19:16:55,320 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1730 transitions. [2023-08-29 19:16:55,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1730 transitions. [2023-08-29 19:16:55,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:16:55,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1730 transitions. [2023-08-29 19:16:55,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 288.3333333333333) internal successors, (1730), 6 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:55,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:55,328 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:55,328 INFO L175 Difference]: Start difference. First operand has 72 places, 62 transitions, 192 flow. Second operand 6 states and 1730 transitions. [2023-08-29 19:16:55,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 129 transitions, 648 flow [2023-08-29 19:16:55,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 129 transitions, 586 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:16:55,332 INFO L231 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2023-08-29 19:16:55,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2023-08-29 19:16:55,332 INFO L281 CegarLoopForPetriNet]: 92 programPoint places, -21 predicate places. [2023-08-29 19:16:55,332 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2023-08-29 19:16:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 274.3333333333333) internal successors, (1646), 6 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:16:55,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2023-08-29 19:16:55,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2023-08-29 19:16:55,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2023-08-29 19:16:55,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2023-08-29 19:16:55,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2023-08-29 19:16:55,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2023-08-29 19:16:55,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2023-08-29 19:16:55,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2023-08-29 19:16:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2023-08-29 19:16:55,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2023-08-29 19:16:55,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2023-08-29 19:16:55,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2023-08-29 19:16:55,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2023-08-29 19:16:55,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2023-08-29 19:16:55,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 19:16:55,347 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:16:55,350 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:16:55,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:16:55,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:16:55 BasicIcfg [2023-08-29 19:16:55,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:16:55,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:16:55,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:16:55,354 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:16:55,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:16:45" (3/4) ... [2023-08-29 19:16:55,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:16:55,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:16:55,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:16:55,366 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 19:16:55,366 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:16:55,367 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:16:55,367 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:16:55,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:16:55,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:16:55,396 INFO L158 Benchmark]: Toolchain (without parser) took 10743.74ms. Allocated memory was 94.4MB in the beginning and 436.2MB in the end (delta: 341.8MB). Free memory was 72.3MB in the beginning and 292.8MB in the end (delta: -220.5MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,397 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:16:55,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.63ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 60.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.23ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 57.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,397 INFO L158 Benchmark]: Boogie Preprocessor took 44.85ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,397 INFO L158 Benchmark]: RCFGBuilder took 601.96ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 56.7MB in the end (delta: -1.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,398 INFO L158 Benchmark]: TraceAbstraction took 9783.49ms. Allocated memory was 94.4MB in the beginning and 436.2MB in the end (delta: 341.8MB). Free memory was 56.0MB in the beginning and 295.9MB in the end (delta: -240.0MB). Peak memory consumption was 262.0MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,398 INFO L158 Benchmark]: Witness Printer took 42.12ms. Allocated memory is still 436.2MB. Free memory was 295.9MB in the beginning and 292.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:16:55,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.63ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 60.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.23ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 57.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.85ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 55.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.96ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 56.7MB in the end (delta: -1.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9783.49ms. Allocated memory was 94.4MB in the beginning and 436.2MB in the end (delta: 341.8MB). Free memory was 56.0MB in the beginning and 295.9MB in the end (delta: -240.0MB). Peak memory consumption was 262.0MB. Max. memory is 16.1GB. * Witness Printer took 42.12ms. Allocated memory is still 436.2MB. Free memory was 295.9MB in the beginning and 292.8MB in the end (delta: 3.1MB). 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: 4.6s, 275 PlacesBefore, 92 PlacesAfterwards, 284 TransitionsBefore, 93 TransitionsAfterwards, 14860 CoEnabledTransitionPairs, 8 FixpointIterations, 118 TrivialSequentialCompositions, 130 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 23 ConcurrentYvCompositions, 8 ChoiceCompositions, 294 TotalNumberOfCompositions, 59735 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19702, independent: 18770, independent conditional: 0, independent unconditional: 18770, dependent: 932, dependent conditional: 0, dependent unconditional: 932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8534, independent: 8380, independent conditional: 0, independent unconditional: 8380, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19702, independent: 10390, independent conditional: 0, independent unconditional: 10390, dependent: 778, dependent conditional: 0, dependent unconditional: 778, unknown: 8534, unknown conditional: 0, unknown unconditional: 8534] , Statistics on independence cache: Total cache size (in pairs): 830, Positive cache size: 757, Positive conditional cache size: 0, Positive unconditional cache size: 757, Negative cache size: 73, Negative conditional cache size: 0, Negative unconditional cache size: 73, 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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, 426 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1092 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 688 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2314 IncrementalHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 372 mSolverCounterUnsat, 50 mSDtfsCounter, 2314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:16:55,414 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