./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF --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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:11:26,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:11:26,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:11:26,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:11:26,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:11:26,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:11:26,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:11:26,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:11:26,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:11:26,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:11:26,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:11:26,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:11:26,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:11:26,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:11:26,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:11:26,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:11:26,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:11:26,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:11:26,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:11:26,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:11:26,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:11:26,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:11:26,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:11:26,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:11:26,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:11:26,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:11:26,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:11:26,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:11:26,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:11:26,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:11:26,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:11:26,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:11:26,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:11:26,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:11:26,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:11:26,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:11:26,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:11:26,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:11:26,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:11:26,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:11:26,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:11:26,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 07:11:26,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:11:26,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:11:26,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:11:26,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:11:26,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:11:26,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:11:26,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:11:26,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:11:26,195 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:11:26,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:11:26,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:11:26,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:11:26,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:11:26,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:11:26,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:11:26,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:11:26,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:11:26,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:11:26,198 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 07:11:26,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:11:26,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:11:26,199 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:11:26,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:11:26,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:11:26,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:11:26,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:11:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:11:26,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:11:26,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:11:26,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:11:26,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:11:26,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:11:26,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:11:26,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:11:26,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:11:26,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:11:26,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2021-11-20 07:11:26,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:11:26,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:11:26,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:11:26,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:11:26,527 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:11:26,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-11-20 07:11:26,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/data/93d895b89/55e8c5fae1c94dccb7b1c138414de4b0/FLAG606ca5c59 [2021-11-20 07:11:27,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:11:27,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-11-20 07:11:27,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/data/93d895b89/55e8c5fae1c94dccb7b1c138414de4b0/FLAG606ca5c59 [2021-11-20 07:11:27,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/data/93d895b89/55e8c5fae1c94dccb7b1c138414de4b0 [2021-11-20 07:11:27,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:11:27,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:11:27,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:11:27,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:11:27,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:11:27,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:27" (1/1) ... [2021-11-20 07:11:27,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52990183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:27, skipping insertion in model container [2021-11-20 07:11:27,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:11:27" (1/1) ... [2021-11-20 07:11:27,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:11:27,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:11:28,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:11:28,091 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:11:28,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:11:28,238 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:11:28,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28 WrapperNode [2021-11-20 07:11:28,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:11:28,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:11:28,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:11:28,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:11:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,310 INFO L137 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-11-20 07:11:28,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:11:28,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:11:28,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:11:28,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:11:28,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:11:28,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:11:28,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:11:28,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:11:28,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (1/1) ... [2021-11-20 07:11:28,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:11:28,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:11:28,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:11:28,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:11:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:11:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:11:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:11:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:11:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 07:11:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:11:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 07:11:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 07:11:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:11:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:11:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:11:28,431 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:11:28,539 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:11:28,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:11:28,901 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:11:28,909 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:11:28,910 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:11:28,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:28 BoogieIcfgContainer [2021-11-20 07:11:28,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:11:28,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:11:28,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:11:28,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:11:28,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:11:27" (1/3) ... [2021-11-20 07:11:28,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44150a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:11:28, skipping insertion in model container [2021-11-20 07:11:28,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:11:28" (2/3) ... [2021-11-20 07:11:28,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44150a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:11:28, skipping insertion in model container [2021-11-20 07:11:28,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:28" (3/3) ... [2021-11-20 07:11:28,920 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2021-11-20 07:11:28,924 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:11:28,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:11:28,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-20 07:11:28,924 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:11:28,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,953 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,955 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,956 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,957 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,958 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,959 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,960 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,961 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,962 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,962 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,962 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,962 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,963 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,964 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,965 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,966 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,967 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,967 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,967 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,968 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,969 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,969 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,970 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,970 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,975 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,975 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,976 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,977 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:11:28,981 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-20 07:11:29,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:11:29,032 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:11:29,033 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2021-11-20 07:11:29,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 117 transitions, 242 flow [2021-11-20 07:11:29,110 INFO L129 PetriNetUnfolder]: 0/116 cut-off events. [2021-11-20 07:11:29,111 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 07:11:29,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 0/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-20 07:11:29,113 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 117 transitions, 242 flow [2021-11-20 07:11:29,118 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 108 transitions, 219 flow [2021-11-20 07:11:29,126 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-11-20 07:11:29,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:11:29,126 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:29,127 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:29,127 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:29,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1875861720, now seen corresponding path program 1 times [2021-11-20 07:11:29,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:29,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776974402] [2021-11-20 07:11:29,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:29,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:29,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:29,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:29,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776974402] [2021-11-20 07:11:29,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776974402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:29,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:29,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:11:29,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856923409] [2021-11-20 07:11:29,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:29,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:11:29,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:11:29,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:11:29,372 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 117 [2021-11-20 07:11:29,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 108 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:29,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 117 [2021-11-20 07:11:29,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:29,518 INFO L129 PetriNetUnfolder]: 36/329 cut-off events. [2021-11-20 07:11:29,518 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 07:11:29,524 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 329 events. 36/329 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1306 event pairs, 36 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 374. Up to 89 conditions per place. [2021-11-20 07:11:29,529 INFO L132 encePairwiseOnDemand]: 114/117 looper letters, 16 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2021-11-20 07:11:29,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 107 transitions, 253 flow [2021-11-20 07:11:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:11:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:11:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2021-11-20 07:11:29,554 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8831908831908832 [2021-11-20 07:11:29,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2021-11-20 07:11:29,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2021-11-20 07:11:29,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:29,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2021-11-20 07:11:29,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,587 INFO L186 Difference]: Start difference. First operand has 112 places, 108 transitions, 219 flow. Second operand 3 states and 310 transitions. [2021-11-20 07:11:29,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 107 transitions, 253 flow [2021-11-20 07:11:29,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 107 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 07:11:29,598 INFO L242 Difference]: Finished difference. Result has 112 places, 107 transitions, 220 flow [2021-11-20 07:11:29,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=112, PETRI_TRANSITIONS=107} [2021-11-20 07:11:29,607 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 0 predicate places. [2021-11-20 07:11:29,607 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 107 transitions, 220 flow [2021-11-20 07:11:29,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:29,608 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:29,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:11:29,609 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:29,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash 82953373, now seen corresponding path program 1 times [2021-11-20 07:11:29,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:29,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948656369] [2021-11-20 07:11:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:29,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:29,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:29,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948656369] [2021-11-20 07:11:29,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948656369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:29,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:29,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:11:29,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260705414] [2021-11-20 07:11:29,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:29,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:11:29,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:11:29,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:11:29,739 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 117 [2021-11-20 07:11:29,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 107 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:29,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 117 [2021-11-20 07:11:29,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:29,824 INFO L129 PetriNetUnfolder]: 16/231 cut-off events. [2021-11-20 07:11:29,824 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 07:11:29,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 231 events. 16/231 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 655 event pairs, 12 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 239. Up to 40 conditions per place. [2021-11-20 07:11:29,826 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 11 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2021-11-20 07:11:29,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 105 transitions, 242 flow [2021-11-20 07:11:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:11:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:11:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2021-11-20 07:11:29,829 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9031339031339032 [2021-11-20 07:11:29,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2021-11-20 07:11:29,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2021-11-20 07:11:29,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:29,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2021-11-20 07:11:29,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,834 INFO L186 Difference]: Start difference. First operand has 112 places, 107 transitions, 220 flow. Second operand 3 states and 317 transitions. [2021-11-20 07:11:29,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 105 transitions, 242 flow [2021-11-20 07:11:29,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 105 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:11:29,838 INFO L242 Difference]: Finished difference. Result has 109 places, 105 transitions, 222 flow [2021-11-20 07:11:29,839 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=109, PETRI_TRANSITIONS=105} [2021-11-20 07:11:29,840 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, -3 predicate places. [2021-11-20 07:11:29,840 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 222 flow [2021-11-20 07:11:29,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:29,841 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:29,841 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:29,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:11:29,841 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:29,842 INFO L85 PathProgramCache]: Analyzing trace with hash 487984091, now seen corresponding path program 1 times [2021-11-20 07:11:29,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:29,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748781778] [2021-11-20 07:11:29,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:29,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:30,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:30,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748781778] [2021-11-20 07:11:30,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748781778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:30,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:30,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:11:30,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235351413] [2021-11-20 07:11:30,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:30,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:30,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:30,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:30,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:30,060 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 117 [2021-11-20 07:11:30,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 222 flow. Second operand has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:30,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 117 [2021-11-20 07:11:30,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:30,461 INFO L129 PetriNetUnfolder]: 283/882 cut-off events. [2021-11-20 07:11:30,461 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:11:30,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1512 conditions, 882 events. 283/882 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4753 event pairs, 171 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1465. Up to 475 conditions per place. [2021-11-20 07:11:30,475 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 72 selfloop transitions, 22 changer transitions 0/163 dead transitions. [2021-11-20 07:11:30,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 163 transitions, 526 flow [2021-11-20 07:11:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:11:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:11:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 575 transitions. [2021-11-20 07:11:30,478 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8190883190883191 [2021-11-20 07:11:30,478 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 575 transitions. [2021-11-20 07:11:30,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 575 transitions. [2021-11-20 07:11:30,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:30,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 575 transitions. [2021-11-20 07:11:30,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,487 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,487 INFO L186 Difference]: Start difference. First operand has 109 places, 105 transitions, 222 flow. Second operand 6 states and 575 transitions. [2021-11-20 07:11:30,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 163 transitions, 526 flow [2021-11-20 07:11:30,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 163 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:11:30,497 INFO L242 Difference]: Finished difference. Result has 119 places, 126 transitions, 372 flow [2021-11-20 07:11:30,498 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=372, PETRI_PLACES=119, PETRI_TRANSITIONS=126} [2021-11-20 07:11:30,500 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 7 predicate places. [2021-11-20 07:11:30,501 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 372 flow [2021-11-20 07:11:30,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:30,502 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:30,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:11:30,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:30,503 INFO L85 PathProgramCache]: Analyzing trace with hash 435955792, now seen corresponding path program 1 times [2021-11-20 07:11:30,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:30,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513598561] [2021-11-20 07:11:30,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:30,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:30,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:30,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513598561] [2021-11-20 07:11:30,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513598561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:30,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:30,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:11:30,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198987840] [2021-11-20 07:11:30,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:30,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:30,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:30,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:30,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:30,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 117 [2021-11-20 07:11:30,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 126 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:30,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:30,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 117 [2021-11-20 07:11:30,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:31,115 INFO L129 PetriNetUnfolder]: 346/1050 cut-off events. [2021-11-20 07:11:31,115 INFO L130 PetriNetUnfolder]: For 270/276 co-relation queries the response was YES. [2021-11-20 07:11:31,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2148 conditions, 1050 events. 346/1050 cut-off events. For 270/276 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 6048 event pairs, 126 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 2098. Up to 545 conditions per place. [2021-11-20 07:11:31,126 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 103 selfloop transitions, 26 changer transitions 0/200 dead transitions. [2021-11-20 07:11:31,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 200 transitions, 868 flow [2021-11-20 07:11:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:11:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:11:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 601 transitions. [2021-11-20 07:11:31,130 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8561253561253561 [2021-11-20 07:11:31,130 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 601 transitions. [2021-11-20 07:11:31,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 601 transitions. [2021-11-20 07:11:31,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:31,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 601 transitions. [2021-11-20 07:11:31,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,137 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,137 INFO L186 Difference]: Start difference. First operand has 119 places, 126 transitions, 372 flow. Second operand 6 states and 601 transitions. [2021-11-20 07:11:31,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 200 transitions, 868 flow [2021-11-20 07:11:31,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 200 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:11:31,151 INFO L242 Difference]: Finished difference. Result has 129 places, 147 transitions, 556 flow [2021-11-20 07:11:31,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=556, PETRI_PLACES=129, PETRI_TRANSITIONS=147} [2021-11-20 07:11:31,153 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 17 predicate places. [2021-11-20 07:11:31,153 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 556 flow [2021-11-20 07:11:31,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,154 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:31,154 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:31,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:11:31,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:31,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:31,159 INFO L85 PathProgramCache]: Analyzing trace with hash -897875409, now seen corresponding path program 1 times [2021-11-20 07:11:31,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361456746] [2021-11-20 07:11:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:31,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:31,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361456746] [2021-11-20 07:11:31,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361456746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:31,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:31,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:11:31,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254084090] [2021-11-20 07:11:31,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:31,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:31,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:31,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 117 [2021-11-20 07:11:31,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 147 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 6 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:31,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 117 [2021-11-20 07:11:31,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:31,878 INFO L129 PetriNetUnfolder]: 423/1238 cut-off events. [2021-11-20 07:11:31,879 INFO L130 PetriNetUnfolder]: For 771/783 co-relation queries the response was YES. [2021-11-20 07:11:31,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3056 conditions, 1238 events. 423/1238 cut-off events. For 771/783 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 7456 event pairs, 169 based on Foata normal form. 4/1156 useless extension candidates. Maximal degree in co-relation 2998. Up to 790 conditions per place. [2021-11-20 07:11:31,894 INFO L132 encePairwiseOnDemand]: 102/117 looper letters, 96 selfloop transitions, 53 changer transitions 0/215 dead transitions. [2021-11-20 07:11:31,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 215 transitions, 1150 flow [2021-11-20 07:11:31,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:11:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:11:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 559 transitions. [2021-11-20 07:11:31,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-11-20 07:11:31,898 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 559 transitions. [2021-11-20 07:11:31,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 559 transitions. [2021-11-20 07:11:31,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:31,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 559 transitions. [2021-11-20 07:11:31,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,904 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,905 INFO L186 Difference]: Start difference. First operand has 129 places, 147 transitions, 556 flow. Second operand 6 states and 559 transitions. [2021-11-20 07:11:31,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 215 transitions, 1150 flow [2021-11-20 07:11:31,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 215 transitions, 1150 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:11:31,917 INFO L242 Difference]: Finished difference. Result has 139 places, 194 transitions, 1038 flow [2021-11-20 07:11:31,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1038, PETRI_PLACES=139, PETRI_TRANSITIONS=194} [2021-11-20 07:11:31,919 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-11-20 07:11:31,919 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1038 flow [2021-11-20 07:11:31,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.83333333333333) internal successors, (479), 6 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:31,920 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:31,920 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:31,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:11:31,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:31,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1665288748, now seen corresponding path program 1 times [2021-11-20 07:11:31,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:31,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899832822] [2021-11-20 07:11:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:31,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:32,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:32,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899832822] [2021-11-20 07:11:32,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899832822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:32,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:32,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:11:32,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548521974] [2021-11-20 07:11:32,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:32,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:32,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:32,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:32,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:32,061 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 117 [2021-11-20 07:11:32,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 194 transitions, 1038 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:32,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 117 [2021-11-20 07:11:32,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:32,577 INFO L129 PetriNetUnfolder]: 580/1534 cut-off events. [2021-11-20 07:11:32,577 INFO L130 PetriNetUnfolder]: For 1795/1807 co-relation queries the response was YES. [2021-11-20 07:11:32,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4608 conditions, 1534 events. 580/1534 cut-off events. For 1795/1807 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9273 event pairs, 179 based on Foata normal form. 0/1460 useless extension candidates. Maximal degree in co-relation 4548. Up to 1019 conditions per place. [2021-11-20 07:11:32,596 INFO L132 encePairwiseOnDemand]: 98/117 looper letters, 132 selfloop transitions, 83 changer transitions 4/289 dead transitions. [2021-11-20 07:11:32,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 289 transitions, 1942 flow [2021-11-20 07:11:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:11:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:11:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 594 transitions. [2021-11-20 07:11:32,600 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-11-20 07:11:32,600 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 594 transitions. [2021-11-20 07:11:32,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 594 transitions. [2021-11-20 07:11:32,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:32,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 594 transitions. [2021-11-20 07:11:32,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.0) internal successors, (594), 6 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,606 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,606 INFO L186 Difference]: Start difference. First operand has 139 places, 194 transitions, 1038 flow. Second operand 6 states and 594 transitions. [2021-11-20 07:11:32,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 289 transitions, 1942 flow [2021-11-20 07:11:32,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 289 transitions, 1878 flow, removed 32 selfloop flow, removed 0 redundant places. [2021-11-20 07:11:32,632 INFO L242 Difference]: Finished difference. Result has 149 places, 263 transitions, 1730 flow [2021-11-20 07:11:32,632 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1730, PETRI_PLACES=149, PETRI_TRANSITIONS=263} [2021-11-20 07:11:32,633 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 37 predicate places. [2021-11-20 07:11:32,633 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 263 transitions, 1730 flow [2021-11-20 07:11:32,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,634 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:32,634 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:32,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:11:32,635 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash -773646105, now seen corresponding path program 1 times [2021-11-20 07:11:32,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:32,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011197018] [2021-11-20 07:11:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:32,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:32,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:32,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011197018] [2021-11-20 07:11:32,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011197018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:32,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:32,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:11:32,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016707152] [2021-11-20 07:11:32,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:32,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:11:32,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:11:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:11:32,681 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 117 [2021-11-20 07:11:32,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 263 transitions, 1730 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:32,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 117 [2021-11-20 07:11:32,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:32,749 INFO L129 PetriNetUnfolder]: 46/325 cut-off events. [2021-11-20 07:11:32,749 INFO L130 PetriNetUnfolder]: For 247/247 co-relation queries the response was YES. [2021-11-20 07:11:32,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 325 events. 46/325 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1061 event pairs, 8 based on Foata normal form. 2/314 useless extension candidates. Maximal degree in co-relation 756. Up to 62 conditions per place. [2021-11-20 07:11:32,753 INFO L132 encePairwiseOnDemand]: 113/117 looper letters, 7 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2021-11-20 07:11:32,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 125 transitions, 518 flow [2021-11-20 07:11:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:11:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:11:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2021-11-20 07:11:32,756 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9515669515669516 [2021-11-20 07:11:32,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2021-11-20 07:11:32,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2021-11-20 07:11:32,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:32,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2021-11-20 07:11:32,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,760 INFO L186 Difference]: Start difference. First operand has 149 places, 263 transitions, 1730 flow. Second operand 3 states and 334 transitions. [2021-11-20 07:11:32,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 125 transitions, 518 flow [2021-11-20 07:11:32,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 125 transitions, 392 flow, removed 33 selfloop flow, removed 30 redundant places. [2021-11-20 07:11:32,768 INFO L242 Difference]: Finished difference. Result has 118 places, 123 transitions, 374 flow [2021-11-20 07:11:32,768 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=118, PETRI_TRANSITIONS=123} [2021-11-20 07:11:32,769 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 6 predicate places. [2021-11-20 07:11:32,769 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 123 transitions, 374 flow [2021-11-20 07:11:32,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:32,770 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:32,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:11:32,770 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1086986125, now seen corresponding path program 1 times [2021-11-20 07:11:32,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:32,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956109981] [2021-11-20 07:11:32,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:32,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:32,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:32,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956109981] [2021-11-20 07:11:32,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956109981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:32,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:32,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:11:32,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970670587] [2021-11-20 07:11:32,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:32,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:11:32,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:32,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:11:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:11:32,888 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 117 [2021-11-20 07:11:32,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 123 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:32,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:32,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 117 [2021-11-20 07:11:32,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:33,197 INFO L129 PetriNetUnfolder]: 120/469 cut-off events. [2021-11-20 07:11:33,198 INFO L130 PetriNetUnfolder]: For 127/128 co-relation queries the response was YES. [2021-11-20 07:11:33,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1121 conditions, 469 events. 120/469 cut-off events. For 127/128 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1782 event pairs, 17 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 1067. Up to 197 conditions per place. [2021-11-20 07:11:33,202 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 71 selfloop transitions, 25 changer transitions 11/178 dead transitions. [2021-11-20 07:11:33,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 178 transitions, 794 flow [2021-11-20 07:11:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:11:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:11:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2021-11-20 07:11:33,205 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7905982905982906 [2021-11-20 07:11:33,205 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2021-11-20 07:11:33,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2021-11-20 07:11:33,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:33,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2021-11-20 07:11:33,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,210 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,211 INFO L186 Difference]: Start difference. First operand has 118 places, 123 transitions, 374 flow. Second operand 6 states and 555 transitions. [2021-11-20 07:11:33,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 178 transitions, 794 flow [2021-11-20 07:11:33,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 178 transitions, 790 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 07:11:33,217 INFO L242 Difference]: Finished difference. Result has 127 places, 143 transitions, 586 flow [2021-11-20 07:11:33,217 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=586, PETRI_PLACES=127, PETRI_TRANSITIONS=143} [2021-11-20 07:11:33,218 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 15 predicate places. [2021-11-20 07:11:33,218 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 143 transitions, 586 flow [2021-11-20 07:11:33,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,219 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:33,219 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:33,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:11:33,220 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:33,220 INFO L85 PathProgramCache]: Analyzing trace with hash -676676881, now seen corresponding path program 1 times [2021-11-20 07:11:33,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:33,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471486637] [2021-11-20 07:11:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:33,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:33,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:33,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471486637] [2021-11-20 07:11:33,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471486637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:33,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:33,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:33,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659765112] [2021-11-20 07:11:33,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:33,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:33,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:33,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:33,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:33,461 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2021-11-20 07:11:33,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 143 transitions, 586 flow. Second operand has 11 states, 11 states have (on average 72.18181818181819) internal successors, (794), 11 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:33,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2021-11-20 07:11:33,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:33,947 INFO L129 PetriNetUnfolder]: 149/597 cut-off events. [2021-11-20 07:11:33,947 INFO L130 PetriNetUnfolder]: For 484/484 co-relation queries the response was YES. [2021-11-20 07:11:33,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 597 events. 149/597 cut-off events. For 484/484 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2537 event pairs, 2 based on Foata normal form. 11/608 useless extension candidates. Maximal degree in co-relation 1573. Up to 204 conditions per place. [2021-11-20 07:11:33,953 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 94 selfloop transitions, 29 changer transitions 16/199 dead transitions. [2021-11-20 07:11:33,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 199 transitions, 1148 flow [2021-11-20 07:11:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:11:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:11:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 778 transitions. [2021-11-20 07:11:33,957 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6649572649572649 [2021-11-20 07:11:33,957 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 778 transitions. [2021-11-20 07:11:33,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 778 transitions. [2021-11-20 07:11:33,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:33,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 778 transitions. [2021-11-20 07:11:33,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 77.8) internal successors, (778), 10 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,966 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,966 INFO L186 Difference]: Start difference. First operand has 127 places, 143 transitions, 586 flow. Second operand 10 states and 778 transitions. [2021-11-20 07:11:33,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 199 transitions, 1148 flow [2021-11-20 07:11:33,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 199 transitions, 1130 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-20 07:11:33,980 INFO L242 Difference]: Finished difference. Result has 135 places, 139 transitions, 602 flow [2021-11-20 07:11:33,980 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=602, PETRI_PLACES=135, PETRI_TRANSITIONS=139} [2021-11-20 07:11:33,981 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 23 predicate places. [2021-11-20 07:11:33,982 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 139 transitions, 602 flow [2021-11-20 07:11:33,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 72.18181818181819) internal successors, (794), 11 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:33,983 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:33,983 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:33,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:11:33,983 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:33,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1227373298, now seen corresponding path program 1 times [2021-11-20 07:11:33,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:33,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746851349] [2021-11-20 07:11:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:33,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:34,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:34,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746851349] [2021-11-20 07:11:34,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746851349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:34,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:34,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:34,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347109999] [2021-11-20 07:11:34,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:34,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:34,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:34,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:34,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:34,444 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-11-20 07:11:34,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 139 transitions, 602 flow. Second operand has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:34,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:34,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-11-20 07:11:34,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:35,026 INFO L129 PetriNetUnfolder]: 109/456 cut-off events. [2021-11-20 07:11:35,026 INFO L130 PetriNetUnfolder]: For 342/343 co-relation queries the response was YES. [2021-11-20 07:11:35,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 456 events. 109/456 cut-off events. For 342/343 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1649 event pairs, 30 based on Foata normal form. 5/459 useless extension candidates. Maximal degree in co-relation 1287. Up to 211 conditions per place. [2021-11-20 07:11:35,031 INFO L132 encePairwiseOnDemand]: 104/117 looper letters, 81 selfloop transitions, 26 changer transitions 13/183 dead transitions. [2021-11-20 07:11:35,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 183 transitions, 974 flow [2021-11-20 07:11:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:11:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:11:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 812 transitions. [2021-11-20 07:11:35,035 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.694017094017094 [2021-11-20 07:11:35,035 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 812 transitions. [2021-11-20 07:11:35,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 812 transitions. [2021-11-20 07:11:35,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:35,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 812 transitions. [2021-11-20 07:11:35,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 81.2) internal successors, (812), 10 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,043 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,043 INFO L186 Difference]: Start difference. First operand has 135 places, 139 transitions, 602 flow. Second operand 10 states and 812 transitions. [2021-11-20 07:11:35,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 183 transitions, 974 flow [2021-11-20 07:11:35,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 183 transitions, 861 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-11-20 07:11:35,055 INFO L242 Difference]: Finished difference. Result has 135 places, 139 transitions, 567 flow [2021-11-20 07:11:35,056 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=567, PETRI_PLACES=135, PETRI_TRANSITIONS=139} [2021-11-20 07:11:35,057 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 23 predicate places. [2021-11-20 07:11:35,058 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 139 transitions, 567 flow [2021-11-20 07:11:35,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,058 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:35,059 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:35,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:11:35,061 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:35,062 INFO L85 PathProgramCache]: Analyzing trace with hash -227550004, now seen corresponding path program 2 times [2021-11-20 07:11:35,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:35,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538030918] [2021-11-20 07:11:35,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:35,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:35,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:35,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538030918] [2021-11-20 07:11:35,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538030918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:35,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:35,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:35,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613427584] [2021-11-20 07:11:35,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:35,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:35,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:35,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:35,327 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-11-20 07:11:35,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 139 transitions, 567 flow. Second operand has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:35,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-11-20 07:11:35,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:35,895 INFO L129 PetriNetUnfolder]: 157/631 cut-off events. [2021-11-20 07:11:35,895 INFO L130 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2021-11-20 07:11:35,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1800 conditions, 631 events. 157/631 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2804 event pairs, 11 based on Foata normal form. 10/640 useless extension candidates. Maximal degree in co-relation 1732. Up to 232 conditions per place. [2021-11-20 07:11:35,900 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 58 selfloop transitions, 4 changer transitions 114/237 dead transitions. [2021-11-20 07:11:35,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 237 transitions, 1393 flow [2021-11-20 07:11:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:11:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:11:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 817 transitions. [2021-11-20 07:11:35,905 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6982905982905983 [2021-11-20 07:11:35,905 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 817 transitions. [2021-11-20 07:11:35,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 817 transitions. [2021-11-20 07:11:35,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:35,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 817 transitions. [2021-11-20 07:11:35,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 81.7) internal successors, (817), 10 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,913 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,913 INFO L186 Difference]: Start difference. First operand has 135 places, 139 transitions, 567 flow. Second operand 10 states and 817 transitions. [2021-11-20 07:11:35,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 237 transitions, 1393 flow [2021-11-20 07:11:35,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 237 transitions, 1317 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-11-20 07:11:35,926 INFO L242 Difference]: Finished difference. Result has 139 places, 121 transitions, 455 flow [2021-11-20 07:11:35,926 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=455, PETRI_PLACES=139, PETRI_TRANSITIONS=121} [2021-11-20 07:11:35,927 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-11-20 07:11:35,927 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 121 transitions, 455 flow [2021-11-20 07:11:35,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:35,928 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:35,928 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:35,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:11:35,928 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:35,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:35,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1000146636, now seen corresponding path program 3 times [2021-11-20 07:11:35,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:35,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785638724] [2021-11-20 07:11:35,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:35,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:36,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:36,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785638724] [2021-11-20 07:11:36,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785638724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:36,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:36,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:36,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486760290] [2021-11-20 07:11:36,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:36,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:36,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:36,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:36,289 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-11-20 07:11:36,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 121 transitions, 455 flow. Second operand has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:36,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:36,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-11-20 07:11:36,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:36,924 INFO L129 PetriNetUnfolder]: 91/385 cut-off events. [2021-11-20 07:11:36,925 INFO L130 PetriNetUnfolder]: For 465/465 co-relation queries the response was YES. [2021-11-20 07:11:36,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 385 events. 91/385 cut-off events. For 465/465 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1273 event pairs, 24 based on Foata normal form. 10/393 useless extension candidates. Maximal degree in co-relation 1026. Up to 149 conditions per place. [2021-11-20 07:11:36,928 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 71 selfloop transitions, 11 changer transitions 43/186 dead transitions. [2021-11-20 07:11:36,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 186 transitions, 958 flow [2021-11-20 07:11:36,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:11:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 07:11:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 882 transitions. [2021-11-20 07:11:36,933 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6853146853146853 [2021-11-20 07:11:36,933 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 882 transitions. [2021-11-20 07:11:36,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 882 transitions. [2021-11-20 07:11:36,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:36,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 882 transitions. [2021-11-20 07:11:36,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 80.18181818181819) internal successors, (882), 11 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:36,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:36,942 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:36,942 INFO L186 Difference]: Start difference. First operand has 139 places, 121 transitions, 455 flow. Second operand 11 states and 882 transitions. [2021-11-20 07:11:36,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 186 transitions, 958 flow [2021-11-20 07:11:36,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 186 transitions, 876 flow, removed 32 selfloop flow, removed 10 redundant places. [2021-11-20 07:11:36,951 INFO L242 Difference]: Finished difference. Result has 138 places, 121 transitions, 435 flow [2021-11-20 07:11:36,952 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=435, PETRI_PLACES=138, PETRI_TRANSITIONS=121} [2021-11-20 07:11:36,953 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 26 predicate places. [2021-11-20 07:11:36,954 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 121 transitions, 435 flow [2021-11-20 07:11:36,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:36,955 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:36,955 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:36,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:11:36,955 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash 874075448, now seen corresponding path program 4 times [2021-11-20 07:11:36,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:36,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131784979] [2021-11-20 07:11:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:36,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:37,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:37,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131784979] [2021-11-20 07:11:37,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131784979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:37,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:37,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:37,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045138679] [2021-11-20 07:11:37,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:37,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:37,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:37,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:37,218 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-11-20 07:11:37,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 121 transitions, 435 flow. Second operand has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:37,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:37,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-11-20 07:11:37,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:37,704 INFO L129 PetriNetUnfolder]: 108/430 cut-off events. [2021-11-20 07:11:37,705 INFO L130 PetriNetUnfolder]: For 572/572 co-relation queries the response was YES. [2021-11-20 07:11:37,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1249 conditions, 430 events. 108/430 cut-off events. For 572/572 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1492 event pairs, 38 based on Foata normal form. 10/436 useless extension candidates. Maximal degree in co-relation 1180. Up to 109 conditions per place. [2021-11-20 07:11:37,708 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 49 selfloop transitions, 5 changer transitions 77/192 dead transitions. [2021-11-20 07:11:37,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 192 transitions, 1047 flow [2021-11-20 07:11:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:11:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:11:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 798 transitions. [2021-11-20 07:11:37,712 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6820512820512821 [2021-11-20 07:11:37,713 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 798 transitions. [2021-11-20 07:11:37,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 798 transitions. [2021-11-20 07:11:37,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:37,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 798 transitions. [2021-11-20 07:11:37,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 79.8) internal successors, (798), 10 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:37,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:37,720 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:37,721 INFO L186 Difference]: Start difference. First operand has 138 places, 121 transitions, 435 flow. Second operand 10 states and 798 transitions. [2021-11-20 07:11:37,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 192 transitions, 1047 flow [2021-11-20 07:11:37,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 192 transitions, 987 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-11-20 07:11:37,729 INFO L242 Difference]: Finished difference. Result has 139 places, 115 transitions, 402 flow [2021-11-20 07:11:37,730 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=402, PETRI_PLACES=139, PETRI_TRANSITIONS=115} [2021-11-20 07:11:37,731 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-11-20 07:11:37,731 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 115 transitions, 402 flow [2021-11-20 07:11:37,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:37,732 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:11:37,732 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:37,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:11:37,733 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-20 07:11:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:11:37,733 INFO L85 PathProgramCache]: Analyzing trace with hash 421181002, now seen corresponding path program 5 times [2021-11-20 07:11:37,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:11:37,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624473596] [2021-11-20 07:11:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:11:37,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:11:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:11:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:11:38,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:11:38,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624473596] [2021-11-20 07:11:38,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624473596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:11:38,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:11:38,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:11:38,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441081260] [2021-11-20 07:11:38,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:11:38,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:11:38,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:11:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:11:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:11:38,080 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-11-20 07:11:38,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 115 transitions, 402 flow. Second operand has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:38,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:11:38,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-11-20 07:11:38,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:11:38,442 INFO L129 PetriNetUnfolder]: 31/193 cut-off events. [2021-11-20 07:11:38,443 INFO L130 PetriNetUnfolder]: For 265/267 co-relation queries the response was YES. [2021-11-20 07:11:38,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 193 events. 31/193 cut-off events. For 265/267 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 290 event pairs, 0 based on Foata normal form. 12/205 useless extension candidates. Maximal degree in co-relation 503. Up to 35 conditions per place. [2021-11-20 07:11:38,444 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2021-11-20 07:11:38,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 150 transitions, 720 flow [2021-11-20 07:11:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:11:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:11:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 782 transitions. [2021-11-20 07:11:38,448 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6683760683760683 [2021-11-20 07:11:38,449 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 782 transitions. [2021-11-20 07:11:38,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 782 transitions. [2021-11-20 07:11:38,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:11:38,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 782 transitions. [2021-11-20 07:11:38,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 78.2) internal successors, (782), 10 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:38,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:38,459 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 117.0) internal successors, (1287), 11 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:38,459 INFO L186 Difference]: Start difference. First operand has 139 places, 115 transitions, 402 flow. Second operand 10 states and 782 transitions. [2021-11-20 07:11:38,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 150 transitions, 720 flow [2021-11-20 07:11:38,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 150 transitions, 649 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-11-20 07:11:38,464 INFO L242 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2021-11-20 07:11:38,465 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=132, PETRI_TRANSITIONS=0} [2021-11-20 07:11:38,466 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 20 predicate places. [2021-11-20 07:11:38,466 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2021-11-20 07:11:38,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 74.0909090909091) internal successors, (815), 11 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:11:38,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2021-11-20 07:11:38,469 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2021-11-20 07:11:38,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2021-11-20 07:11:38,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2021-11-20 07:11:38,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2021-11-20 07:11:38,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2021-11-20 07:11:38,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 15 remaining) [2021-11-20 07:11:38,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2021-11-20 07:11:38,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2021-11-20 07:11:38,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2021-11-20 07:11:38,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2021-11-20 07:11:38,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2021-11-20 07:11:38,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2021-11-20 07:11:38,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2021-11-20 07:11:38,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2021-11-20 07:11:38,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:11:38,478 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:11:38,482 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:11:38,482 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:11:38,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:11:38 BasicIcfg [2021-11-20 07:11:38,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:11:38,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:11:38,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:11:38,488 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:11:38,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:11:28" (3/4) ... [2021-11-20 07:11:38,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:11:38,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-20 07:11:38,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-20 07:11:38,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-20 07:11:38,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:11:38,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:11:38,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:11:38,551 INFO L158 Benchmark]: Toolchain (without parser) took 11118.47ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 76.5MB in the beginning and 139.9MB in the end (delta: -63.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,551 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:11:38,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.73ms. Allocated memory is still 119.5MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.73ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,552 INFO L158 Benchmark]: Boogie Preprocessor took 34.50ms. Allocated memory is still 119.5MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:11:38,553 INFO L158 Benchmark]: RCFGBuilder took 565.69ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 56.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,553 INFO L158 Benchmark]: TraceAbstraction took 9573.57ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 55.5MB in the beginning and 143.0MB in the end (delta: -87.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,554 INFO L158 Benchmark]: Witness Printer took 62.23ms. Allocated memory is still 230.7MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:11:38,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.73ms. Allocated memory is still 119.5MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.73ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 72.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.50ms. Allocated memory is still 119.5MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.69ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 56.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9573.57ms. Allocated memory was 119.5MB in the beginning and 230.7MB in the end (delta: 111.1MB). Free memory was 55.5MB in the beginning and 143.0MB in the end (delta: -87.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 62.23ms. Allocated memory is still 230.7MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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 3 procedures, 152 locations, 15 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: 9.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 763 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 763 mSDsluCounter, 330 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 412 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2965 IncrementalHoareTripleChecker+Invalid, 3377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 412 mSolverCounterUnsat, 240 mSDtfsCounter, 2965 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 16 SyntacticMatches, 16 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1730occurred in iteration=6, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 948 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-20 07:11:38,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca2c4179-8e7a-4366-8b55-bf20a9253bca/bin/uautomizer-DQz5hQGWxF/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