./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/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_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:47:06,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:47:06,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:47:06,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:47:06,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:47:06,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:47:06,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:47:06,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:47:06,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:47:06,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:47:06,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:47:06,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:47:06,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:47:06,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:47:06,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:47:06,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:47:06,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:47:06,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:47:06,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:47:06,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:47:06,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:47:06,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:47:06,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:47:06,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:47:06,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:47:06,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:47:06,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:47:06,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:47:06,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:47:06,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:47:06,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:47:06,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:47:06,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:47:06,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:47:06,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:47:06,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:47:06,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:47:06,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:47:06,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:47:06,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:47:06,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:47:06,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 17:47:06,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:47:06,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:47:06,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:47:06,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:47:06,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:47:06,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:47:06,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:47:06,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:47:06,121 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:47:06,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:47:06,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:47:06,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:47:06,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:47:06,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:47:06,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:47:06,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:47:06,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:47:06,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:47:06,123 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 17:47:06,123 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:47:06,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:47:06,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:47:06,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:47:06,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:47:06,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:47:06,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:47:06,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:47:06,125 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:47:06,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:47:06,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:47:06,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:47:06,125 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_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2021-12-06 17:47:06,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:47:06,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:47:06,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:47:06,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:47:06,323 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:47:06,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-12-06 17:47:06,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/data/a2794b26d/571a75379c034a36bb843fa6361e3d10/FLAG394ae72c6 [2021-12-06 17:47:06,809 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:47:06,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-12-06 17:47:06,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/data/a2794b26d/571a75379c034a36bb843fa6361e3d10/FLAG394ae72c6 [2021-12-06 17:47:06,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/data/a2794b26d/571a75379c034a36bb843fa6361e3d10 [2021-12-06 17:47:06,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:47:06,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:47:06,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:06,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:47:06,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:47:06,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:06" (1/1) ... [2021-12-06 17:47:06,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137bbea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:06, skipping insertion in model container [2021-12-06 17:47:06,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:47:06" (1/1) ... [2021-12-06 17:47:06,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:47:06,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:47:07,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:07,175 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:47:07,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:47:07,259 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:47:07,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07 WrapperNode [2021-12-06 17:47:07,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:47:07,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:07,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:47:07,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:47:07,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,299 INFO L137 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-12-06 17:47:07,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:47:07,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:47:07,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:47:07,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:47:07,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:47:07,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:47:07,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:47:07,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:47:07,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (1/1) ... [2021-12-06 17:47:07,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:47:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:47:07,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:47:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:47:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:47:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 17:47:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:47:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:47:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:47:07,379 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 17:47:07,461 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:47:07,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:47:07,644 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:47:07,652 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:47:07,652 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 17:47:07,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:07 BoogieIcfgContainer [2021-12-06 17:47:07,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:47:07,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:47:07,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:47:07,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:47:07,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:47:06" (1/3) ... [2021-12-06 17:47:07,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695362c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:47:07, skipping insertion in model container [2021-12-06 17:47:07,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:47:07" (2/3) ... [2021-12-06 17:47:07,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695362c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:47:07, skipping insertion in model container [2021-12-06 17:47:07,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:07" (3/3) ... [2021-12-06 17:47:07,662 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2021-12-06 17:47:07,667 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 17:47:07,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:47:07,668 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-12-06 17:47:07,668 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 17:47:07,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,697 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,697 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,702 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,702 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,715 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,715 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,715 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,716 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,716 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,716 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,721 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:47:07,727 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 17:47:07,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:47:07,775 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 [2021-12-06 17:47:07,775 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2021-12-06 17:47:07,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 117 transitions, 242 flow [2021-12-06 17:47:07,828 INFO L129 PetriNetUnfolder]: 0/116 cut-off events. [2021-12-06 17:47:07,828 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 17:47:07,829 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. [2021-12-06 17:47:07,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 117 transitions, 242 flow [2021-12-06 17:47:07,833 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 108 transitions, 219 flow [2021-12-06 17:47:07,839 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-12-06 17:47:07,839 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 17:47:07,839 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:07,840 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] [2021-12-06 17:47:07,840 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)] === [2021-12-06 17:47:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1875861720, now seen corresponding path program 1 times [2021-12-06 17:47:07,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:07,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133496791] [2021-12-06 17:47:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:07,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:07,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:07,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133496791] [2021-12-06 17:47:07,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133496791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:07,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:07,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:47:07,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133617518] [2021-12-06 17:47:07,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:08,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:47:08,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:08,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:47:08,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:47:08,027 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 117 [2021-12-06 17:47:08,030 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) [2021-12-06 17:47:08,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:08,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 117 [2021-12-06 17:47:08,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:08,103 INFO L129 PetriNetUnfolder]: 36/329 cut-off events. [2021-12-06 17:47:08,103 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 17:47:08,105 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. [2021-12-06 17:47:08,107 INFO L132 encePairwiseOnDemand]: 114/117 looper letters, 16 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2021-12-06 17:47:08,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 107 transitions, 253 flow [2021-12-06 17:47:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:47:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 17:47:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2021-12-06 17:47:08,118 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8831908831908832 [2021-12-06 17:47:08,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2021-12-06 17:47:08,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2021-12-06 17:47:08,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:08,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2021-12-06 17:47:08,124 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) [2021-12-06 17:47:08,128 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) [2021-12-06 17:47:08,129 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) [2021-12-06 17:47:08,130 INFO L186 Difference]: Start difference. First operand has 112 places, 108 transitions, 219 flow. Second operand 3 states and 310 transitions. [2021-12-06 17:47:08,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 107 transitions, 253 flow [2021-12-06 17:47:08,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 107 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 17:47:08,136 INFO L242 Difference]: Finished difference. Result has 112 places, 107 transitions, 220 flow [2021-12-06 17:47:08,137 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} [2021-12-06 17:47:08,140 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 0 predicate places. [2021-12-06 17:47:08,141 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 107 transitions, 220 flow [2021-12-06 17:47:08,141 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) [2021-12-06 17:47:08,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:08,141 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] [2021-12-06 17:47:08,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:47:08,141 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)] === [2021-12-06 17:47:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash 82953373, now seen corresponding path program 1 times [2021-12-06 17:47:08,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:08,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980784961] [2021-12-06 17:47:08,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:08,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:08,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:08,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980784961] [2021-12-06 17:47:08,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980784961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:08,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:08,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:47:08,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142375491] [2021-12-06 17:47:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:08,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:47:08,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:47:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:47:08,194 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 117 [2021-12-06 17:47:08,195 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) [2021-12-06 17:47:08,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:08,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 117 [2021-12-06 17:47:08,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:08,256 INFO L129 PetriNetUnfolder]: 16/231 cut-off events. [2021-12-06 17:47:08,257 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 17:47:08,258 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. [2021-12-06 17:47:08,259 INFO L132 encePairwiseOnDemand]: 111/117 looper letters, 11 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2021-12-06 17:47:08,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 105 transitions, 242 flow [2021-12-06 17:47:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:47:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 17:47:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2021-12-06 17:47:08,263 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9031339031339032 [2021-12-06 17:47:08,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2021-12-06 17:47:08,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2021-12-06 17:47:08,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:08,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2021-12-06 17:47:08,266 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) [2021-12-06 17:47:08,268 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) [2021-12-06 17:47:08,269 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) [2021-12-06 17:47:08,269 INFO L186 Difference]: Start difference. First operand has 112 places, 107 transitions, 220 flow. Second operand 3 states and 317 transitions. [2021-12-06 17:47:08,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 105 transitions, 242 flow [2021-12-06 17:47:08,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 105 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 17:47:08,274 INFO L242 Difference]: Finished difference. Result has 109 places, 105 transitions, 222 flow [2021-12-06 17:47:08,274 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} [2021-12-06 17:47:08,275 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, -3 predicate places. [2021-12-06 17:47:08,275 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 222 flow [2021-12-06 17:47:08,275 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) [2021-12-06 17:47:08,275 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:08,276 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] [2021-12-06 17:47:08,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:47:08,276 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)] === [2021-12-06 17:47:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:08,277 INFO L85 PathProgramCache]: Analyzing trace with hash 487984091, now seen corresponding path program 1 times [2021-12-06 17:47:08,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:08,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851617557] [2021-12-06 17:47:08,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:08,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:08,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:08,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851617557] [2021-12-06 17:47:08,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851617557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:08,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:08,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:08,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615784122] [2021-12-06 17:47:08,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:08,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:47:08,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:08,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:47:08,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:47:08,419 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 117 [2021-12-06 17:47:08,420 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) [2021-12-06 17:47:08,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:08,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 117 [2021-12-06 17:47:08,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:08,678 INFO L129 PetriNetUnfolder]: 283/882 cut-off events. [2021-12-06 17:47:08,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 17:47:08,680 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. [2021-12-06 17:47:08,684 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 72 selfloop transitions, 22 changer transitions 0/163 dead transitions. [2021-12-06 17:47:08,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 163 transitions, 526 flow [2021-12-06 17:47:08,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:47:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:47:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 575 transitions. [2021-12-06 17:47:08,688 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8190883190883191 [2021-12-06 17:47:08,688 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 575 transitions. [2021-12-06 17:47:08,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 575 transitions. [2021-12-06 17:47:08,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:08,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 575 transitions. [2021-12-06 17:47:08,697 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) [2021-12-06 17:47:08,700 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) [2021-12-06 17:47:08,701 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) [2021-12-06 17:47:08,701 INFO L186 Difference]: Start difference. First operand has 109 places, 105 transitions, 222 flow. Second operand 6 states and 575 transitions. [2021-12-06 17:47:08,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 163 transitions, 526 flow [2021-12-06 17:47:08,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 163 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 17:47:08,706 INFO L242 Difference]: Finished difference. Result has 119 places, 126 transitions, 372 flow [2021-12-06 17:47:08,707 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} [2021-12-06 17:47:08,707 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 7 predicate places. [2021-12-06 17:47:08,708 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 126 transitions, 372 flow [2021-12-06 17:47:08,708 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) [2021-12-06 17:47:08,708 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:08,708 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] [2021-12-06 17:47:08,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:47:08,709 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)] === [2021-12-06 17:47:08,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash 435955792, now seen corresponding path program 1 times [2021-12-06 17:47:08,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:08,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400738096] [2021-12-06 17:47:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:08,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:08,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:08,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400738096] [2021-12-06 17:47:08,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400738096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:08,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:08,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:08,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158428650] [2021-12-06 17:47:08,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:08,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:47:08,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:08,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:47:08,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:47:08,803 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 117 [2021-12-06 17:47:08,804 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) [2021-12-06 17:47:08,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:08,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 117 [2021-12-06 17:47:08,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:09,072 INFO L129 PetriNetUnfolder]: 346/1050 cut-off events. [2021-12-06 17:47:09,072 INFO L130 PetriNetUnfolder]: For 270/276 co-relation queries the response was YES. [2021-12-06 17:47:09,074 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. [2021-12-06 17:47:09,079 INFO L132 encePairwiseOnDemand]: 106/117 looper letters, 103 selfloop transitions, 26 changer transitions 0/200 dead transitions. [2021-12-06 17:47:09,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 200 transitions, 868 flow [2021-12-06 17:47:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:47:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:47:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 601 transitions. [2021-12-06 17:47:09,082 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8561253561253561 [2021-12-06 17:47:09,082 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 601 transitions. [2021-12-06 17:47:09,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 601 transitions. [2021-12-06 17:47:09,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:09,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 601 transitions. [2021-12-06 17:47:09,085 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) [2021-12-06 17:47:09,087 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) [2021-12-06 17:47:09,087 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) [2021-12-06 17:47:09,087 INFO L186 Difference]: Start difference. First operand has 119 places, 126 transitions, 372 flow. Second operand 6 states and 601 transitions. [2021-12-06 17:47:09,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 200 transitions, 868 flow [2021-12-06 17:47:09,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 200 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 17:47:09,094 INFO L242 Difference]: Finished difference. Result has 129 places, 147 transitions, 556 flow [2021-12-06 17:47:09,094 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} [2021-12-06 17:47:09,095 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 17 predicate places. [2021-12-06 17:47:09,096 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 147 transitions, 556 flow [2021-12-06 17:47:09,096 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) [2021-12-06 17:47:09,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:09,096 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] [2021-12-06 17:47:09,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:47:09,097 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)] === [2021-12-06 17:47:09,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash -897875409, now seen corresponding path program 1 times [2021-12-06 17:47:09,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:09,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165623787] [2021-12-06 17:47:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:09,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:09,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:09,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165623787] [2021-12-06 17:47:09,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165623787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:09,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:09,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:09,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704608956] [2021-12-06 17:47:09,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:09,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:47:09,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:09,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:47:09,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:47:09,208 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 117 [2021-12-06 17:47:09,209 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) [2021-12-06 17:47:09,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:09,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 117 [2021-12-06 17:47:09,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:09,540 INFO L129 PetriNetUnfolder]: 423/1238 cut-off events. [2021-12-06 17:47:09,541 INFO L130 PetriNetUnfolder]: For 771/783 co-relation queries the response was YES. [2021-12-06 17:47:09,543 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. [2021-12-06 17:47:09,549 INFO L132 encePairwiseOnDemand]: 102/117 looper letters, 96 selfloop transitions, 53 changer transitions 0/215 dead transitions. [2021-12-06 17:47:09,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 215 transitions, 1150 flow [2021-12-06 17:47:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:47:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:47:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 559 transitions. [2021-12-06 17:47:09,552 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7962962962962963 [2021-12-06 17:47:09,552 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 559 transitions. [2021-12-06 17:47:09,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 559 transitions. [2021-12-06 17:47:09,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:09,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 559 transitions. [2021-12-06 17:47:09,554 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) [2021-12-06 17:47:09,556 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) [2021-12-06 17:47:09,557 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) [2021-12-06 17:47:09,557 INFO L186 Difference]: Start difference. First operand has 129 places, 147 transitions, 556 flow. Second operand 6 states and 559 transitions. [2021-12-06 17:47:09,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 215 transitions, 1150 flow [2021-12-06 17:47:09,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 215 transitions, 1150 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 17:47:09,568 INFO L242 Difference]: Finished difference. Result has 139 places, 194 transitions, 1038 flow [2021-12-06 17:47:09,568 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} [2021-12-06 17:47:09,569 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-12-06 17:47:09,569 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 194 transitions, 1038 flow [2021-12-06 17:47:09,570 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) [2021-12-06 17:47:09,570 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:09,570 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] [2021-12-06 17:47:09,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:47:09,570 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)] === [2021-12-06 17:47:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1665288748, now seen corresponding path program 1 times [2021-12-06 17:47:09,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:09,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728743955] [2021-12-06 17:47:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:09,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:09,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:09,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728743955] [2021-12-06 17:47:09,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728743955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:09,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:09,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:09,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132342399] [2021-12-06 17:47:09,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:09,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:47:09,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:09,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:47:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:47:09,666 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 117 [2021-12-06 17:47:09,666 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) [2021-12-06 17:47:09,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:09,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 117 [2021-12-06 17:47:09,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:09,998 INFO L129 PetriNetUnfolder]: 580/1534 cut-off events. [2021-12-06 17:47:09,998 INFO L130 PetriNetUnfolder]: For 1795/1807 co-relation queries the response was YES. [2021-12-06 17:47:10,002 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. [2021-12-06 17:47:10,009 INFO L132 encePairwiseOnDemand]: 98/117 looper letters, 132 selfloop transitions, 83 changer transitions 4/289 dead transitions. [2021-12-06 17:47:10,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 289 transitions, 1942 flow [2021-12-06 17:47:10,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:47:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:47:10,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 594 transitions. [2021-12-06 17:47:10,011 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-12-06 17:47:10,011 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 594 transitions. [2021-12-06 17:47:10,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 594 transitions. [2021-12-06 17:47:10,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:10,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 594 transitions. [2021-12-06 17:47:10,013 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) [2021-12-06 17:47:10,014 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) [2021-12-06 17:47:10,014 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) [2021-12-06 17:47:10,014 INFO L186 Difference]: Start difference. First operand has 139 places, 194 transitions, 1038 flow. Second operand 6 states and 594 transitions. [2021-12-06 17:47:10,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 289 transitions, 1942 flow [2021-12-06 17:47:10,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 289 transitions, 1878 flow, removed 32 selfloop flow, removed 0 redundant places. [2021-12-06 17:47:10,028 INFO L242 Difference]: Finished difference. Result has 149 places, 263 transitions, 1730 flow [2021-12-06 17:47:10,029 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} [2021-12-06 17:47:10,029 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 37 predicate places. [2021-12-06 17:47:10,029 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 263 transitions, 1730 flow [2021-12-06 17:47:10,030 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) [2021-12-06 17:47:10,030 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:10,030 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] [2021-12-06 17:47:10,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:47:10,030 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)] === [2021-12-06 17:47:10,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:10,030 INFO L85 PathProgramCache]: Analyzing trace with hash -773646105, now seen corresponding path program 1 times [2021-12-06 17:47:10,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:10,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737400899] [2021-12-06 17:47:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:10,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:10,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:10,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737400899] [2021-12-06 17:47:10,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737400899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:10,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:10,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:47:10,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096227940] [2021-12-06 17:47:10,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:10,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:47:10,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:10,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:47:10,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:47:10,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 117 [2021-12-06 17:47:10,067 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) [2021-12-06 17:47:10,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:10,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 117 [2021-12-06 17:47:10,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:10,108 INFO L129 PetriNetUnfolder]: 46/325 cut-off events. [2021-12-06 17:47:10,108 INFO L130 PetriNetUnfolder]: For 247/247 co-relation queries the response was YES. [2021-12-06 17:47:10,109 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. [2021-12-06 17:47:10,110 INFO L132 encePairwiseOnDemand]: 113/117 looper letters, 7 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2021-12-06 17:47:10,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 125 transitions, 518 flow [2021-12-06 17:47:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:47:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 17:47:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2021-12-06 17:47:10,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9515669515669516 [2021-12-06 17:47:10,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2021-12-06 17:47:10,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2021-12-06 17:47:10,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:10,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2021-12-06 17:47:10,113 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) [2021-12-06 17:47:10,113 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) [2021-12-06 17:47:10,114 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) [2021-12-06 17:47:10,114 INFO L186 Difference]: Start difference. First operand has 149 places, 263 transitions, 1730 flow. Second operand 3 states and 334 transitions. [2021-12-06 17:47:10,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 125 transitions, 518 flow [2021-12-06 17:47:10,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 125 transitions, 392 flow, removed 33 selfloop flow, removed 30 redundant places. [2021-12-06 17:47:10,118 INFO L242 Difference]: Finished difference. Result has 118 places, 123 transitions, 374 flow [2021-12-06 17:47:10,118 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} [2021-12-06 17:47:10,119 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 6 predicate places. [2021-12-06 17:47:10,119 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 123 transitions, 374 flow [2021-12-06 17:47:10,119 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) [2021-12-06 17:47:10,119 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:10,119 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] [2021-12-06 17:47:10,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:47:10,120 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)] === [2021-12-06 17:47:10,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:10,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1086986125, now seen corresponding path program 1 times [2021-12-06 17:47:10,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:10,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942840877] [2021-12-06 17:47:10,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:10,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:10,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:10,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942840877] [2021-12-06 17:47:10,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942840877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:10,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:10,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:47:10,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140383564] [2021-12-06 17:47:10,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:10,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:47:10,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:10,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:47:10,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:47:10,196 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 117 [2021-12-06 17:47:10,196 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) [2021-12-06 17:47:10,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:10,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 117 [2021-12-06 17:47:10,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:10,370 INFO L129 PetriNetUnfolder]: 120/469 cut-off events. [2021-12-06 17:47:10,371 INFO L130 PetriNetUnfolder]: For 127/128 co-relation queries the response was YES. [2021-12-06 17:47:10,371 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. [2021-12-06 17:47:10,373 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 71 selfloop transitions, 25 changer transitions 11/178 dead transitions. [2021-12-06 17:47:10,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 178 transitions, 794 flow [2021-12-06 17:47:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:47:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:47:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2021-12-06 17:47:10,375 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7905982905982906 [2021-12-06 17:47:10,375 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2021-12-06 17:47:10,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2021-12-06 17:47:10,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:10,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2021-12-06 17:47:10,377 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) [2021-12-06 17:47:10,378 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) [2021-12-06 17:47:10,378 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) [2021-12-06 17:47:10,378 INFO L186 Difference]: Start difference. First operand has 118 places, 123 transitions, 374 flow. Second operand 6 states and 555 transitions. [2021-12-06 17:47:10,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 178 transitions, 794 flow [2021-12-06 17:47:10,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 178 transitions, 790 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 17:47:10,383 INFO L242 Difference]: Finished difference. Result has 127 places, 143 transitions, 586 flow [2021-12-06 17:47:10,383 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} [2021-12-06 17:47:10,383 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 15 predicate places. [2021-12-06 17:47:10,384 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 143 transitions, 586 flow [2021-12-06 17:47:10,384 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) [2021-12-06 17:47:10,384 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:10,384 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] [2021-12-06 17:47:10,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:47:10,384 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)] === [2021-12-06 17:47:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash -676676881, now seen corresponding path program 1 times [2021-12-06 17:47:10,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:10,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570207653] [2021-12-06 17:47:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:10,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:10,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:10,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570207653] [2021-12-06 17:47:10,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570207653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:10,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:10,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:10,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466973064] [2021-12-06 17:47:10,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:10,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:10,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:10,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:10,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:10,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 117 [2021-12-06 17:47:10,546 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) [2021-12-06 17:47:10,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:10,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 117 [2021-12-06 17:47:10,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:10,852 INFO L129 PetriNetUnfolder]: 149/597 cut-off events. [2021-12-06 17:47:10,852 INFO L130 PetriNetUnfolder]: For 484/484 co-relation queries the response was YES. [2021-12-06 17:47:10,854 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. [2021-12-06 17:47:10,857 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 94 selfloop transitions, 29 changer transitions 16/199 dead transitions. [2021-12-06 17:47:10,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 199 transitions, 1148 flow [2021-12-06 17:47:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:47:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 17:47:10,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 778 transitions. [2021-12-06 17:47:10,860 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6649572649572649 [2021-12-06 17:47:10,860 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 778 transitions. [2021-12-06 17:47:10,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 778 transitions. [2021-12-06 17:47:10,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:10,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 778 transitions. [2021-12-06 17:47:10,863 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) [2021-12-06 17:47:10,866 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) [2021-12-06 17:47:10,867 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) [2021-12-06 17:47:10,867 INFO L186 Difference]: Start difference. First operand has 127 places, 143 transitions, 586 flow. Second operand 10 states and 778 transitions. [2021-12-06 17:47:10,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 199 transitions, 1148 flow [2021-12-06 17:47:10,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 199 transitions, 1130 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-12-06 17:47:10,875 INFO L242 Difference]: Finished difference. Result has 135 places, 139 transitions, 602 flow [2021-12-06 17:47:10,876 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} [2021-12-06 17:47:10,876 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 23 predicate places. [2021-12-06 17:47:10,876 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 139 transitions, 602 flow [2021-12-06 17:47:10,877 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) [2021-12-06 17:47:10,877 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:10,877 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] [2021-12-06 17:47:10,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:47:10,878 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)] === [2021-12-06 17:47:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:10,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1227373298, now seen corresponding path program 1 times [2021-12-06 17:47:10,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:10,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416700762] [2021-12-06 17:47:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:10,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:11,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:11,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416700762] [2021-12-06 17:47:11,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416700762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:11,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:11,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:11,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809475657] [2021-12-06 17:47:11,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:11,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:11,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:11,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:11,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:11,105 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-12-06 17:47:11,105 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) [2021-12-06 17:47:11,105 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:11,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-12-06 17:47:11,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:11,394 INFO L129 PetriNetUnfolder]: 109/456 cut-off events. [2021-12-06 17:47:11,394 INFO L130 PetriNetUnfolder]: For 342/343 co-relation queries the response was YES. [2021-12-06 17:47:11,395 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. [2021-12-06 17:47:11,397 INFO L132 encePairwiseOnDemand]: 104/117 looper letters, 81 selfloop transitions, 26 changer transitions 13/183 dead transitions. [2021-12-06 17:47:11,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 183 transitions, 974 flow [2021-12-06 17:47:11,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:47:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 17:47:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 812 transitions. [2021-12-06 17:47:11,400 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.694017094017094 [2021-12-06 17:47:11,400 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 812 transitions. [2021-12-06 17:47:11,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 812 transitions. [2021-12-06 17:47:11,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:11,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 812 transitions. [2021-12-06 17:47:11,402 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) [2021-12-06 17:47:11,404 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) [2021-12-06 17:47:11,404 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) [2021-12-06 17:47:11,404 INFO L186 Difference]: Start difference. First operand has 135 places, 139 transitions, 602 flow. Second operand 10 states and 812 transitions. [2021-12-06 17:47:11,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 183 transitions, 974 flow [2021-12-06 17:47:11,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 183 transitions, 861 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-12-06 17:47:11,410 INFO L242 Difference]: Finished difference. Result has 135 places, 139 transitions, 567 flow [2021-12-06 17:47:11,410 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} [2021-12-06 17:47:11,410 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 23 predicate places. [2021-12-06 17:47:11,411 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 139 transitions, 567 flow [2021-12-06 17:47:11,411 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) [2021-12-06 17:47:11,411 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:11,411 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] [2021-12-06 17:47:11,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:47:11,411 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)] === [2021-12-06 17:47:11,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash -227550004, now seen corresponding path program 2 times [2021-12-06 17:47:11,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:11,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753239519] [2021-12-06 17:47:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:11,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:11,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:11,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753239519] [2021-12-06 17:47:11,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753239519] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:11,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:11,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:11,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476111731] [2021-12-06 17:47:11,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:11,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:11,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:11,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:11,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:11,552 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-12-06 17:47:11,553 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) [2021-12-06 17:47:11,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:11,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-12-06 17:47:11,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:11,861 INFO L129 PetriNetUnfolder]: 157/631 cut-off events. [2021-12-06 17:47:11,861 INFO L130 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2021-12-06 17:47:11,863 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. [2021-12-06 17:47:11,865 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 58 selfloop transitions, 4 changer transitions 114/237 dead transitions. [2021-12-06 17:47:11,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 237 transitions, 1393 flow [2021-12-06 17:47:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:47:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 17:47:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 817 transitions. [2021-12-06 17:47:11,868 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6982905982905983 [2021-12-06 17:47:11,868 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 817 transitions. [2021-12-06 17:47:11,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 817 transitions. [2021-12-06 17:47:11,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:11,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 817 transitions. [2021-12-06 17:47:11,871 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) [2021-12-06 17:47:11,874 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) [2021-12-06 17:47:11,875 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) [2021-12-06 17:47:11,875 INFO L186 Difference]: Start difference. First operand has 135 places, 139 transitions, 567 flow. Second operand 10 states and 817 transitions. [2021-12-06 17:47:11,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 237 transitions, 1393 flow [2021-12-06 17:47:11,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 237 transitions, 1317 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-12-06 17:47:11,884 INFO L242 Difference]: Finished difference. Result has 139 places, 121 transitions, 455 flow [2021-12-06 17:47:11,884 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} [2021-12-06 17:47:11,885 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-12-06 17:47:11,885 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 121 transitions, 455 flow [2021-12-06 17:47:11,886 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) [2021-12-06 17:47:11,886 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:11,886 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] [2021-12-06 17:47:11,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 17:47:11,886 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)] === [2021-12-06 17:47:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:11,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1000146636, now seen corresponding path program 3 times [2021-12-06 17:47:11,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:11,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510346628] [2021-12-06 17:47:11,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:11,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:12,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:12,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510346628] [2021-12-06 17:47:12,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510346628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:12,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:12,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:12,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925711244] [2021-12-06 17:47:12,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:12,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:12,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:12,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:12,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:12,086 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-12-06 17:47:12,087 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) [2021-12-06 17:47:12,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:12,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-12-06 17:47:12,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:12,439 INFO L129 PetriNetUnfolder]: 91/385 cut-off events. [2021-12-06 17:47:12,439 INFO L130 PetriNetUnfolder]: For 465/465 co-relation queries the response was YES. [2021-12-06 17:47:12,440 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. [2021-12-06 17:47:12,441 INFO L132 encePairwiseOnDemand]: 107/117 looper letters, 71 selfloop transitions, 11 changer transitions 43/186 dead transitions. [2021-12-06 17:47:12,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 186 transitions, 958 flow [2021-12-06 17:47:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:47:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-06 17:47:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 882 transitions. [2021-12-06 17:47:12,444 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6853146853146853 [2021-12-06 17:47:12,444 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 882 transitions. [2021-12-06 17:47:12,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 882 transitions. [2021-12-06 17:47:12,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:12,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 882 transitions. [2021-12-06 17:47:12,446 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) [2021-12-06 17:47:12,448 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) [2021-12-06 17:47:12,448 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) [2021-12-06 17:47:12,448 INFO L186 Difference]: Start difference. First operand has 139 places, 121 transitions, 455 flow. Second operand 11 states and 882 transitions. [2021-12-06 17:47:12,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 186 transitions, 958 flow [2021-12-06 17:47:12,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 186 transitions, 876 flow, removed 32 selfloop flow, removed 10 redundant places. [2021-12-06 17:47:12,454 INFO L242 Difference]: Finished difference. Result has 138 places, 121 transitions, 435 flow [2021-12-06 17:47:12,454 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} [2021-12-06 17:47:12,454 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 26 predicate places. [2021-12-06 17:47:12,455 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 121 transitions, 435 flow [2021-12-06 17:47:12,455 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) [2021-12-06 17:47:12,455 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:12,455 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] [2021-12-06 17:47:12,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 17:47:12,455 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)] === [2021-12-06 17:47:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 874075448, now seen corresponding path program 4 times [2021-12-06 17:47:12,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:12,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198316358] [2021-12-06 17:47:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:12,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:12,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:12,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198316358] [2021-12-06 17:47:12,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198316358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:12,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:12,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:12,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163699087] [2021-12-06 17:47:12,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:12,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:12,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:12,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:12,589 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-12-06 17:47:12,589 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) [2021-12-06 17:47:12,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:12,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-12-06 17:47:12,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:12,879 INFO L129 PetriNetUnfolder]: 108/430 cut-off events. [2021-12-06 17:47:12,880 INFO L130 PetriNetUnfolder]: For 572/572 co-relation queries the response was YES. [2021-12-06 17:47:12,880 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. [2021-12-06 17:47:12,881 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 49 selfloop transitions, 5 changer transitions 77/192 dead transitions. [2021-12-06 17:47:12,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 192 transitions, 1047 flow [2021-12-06 17:47:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:47:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 17:47:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 798 transitions. [2021-12-06 17:47:12,884 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6820512820512821 [2021-12-06 17:47:12,884 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 798 transitions. [2021-12-06 17:47:12,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 798 transitions. [2021-12-06 17:47:12,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:12,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 798 transitions. [2021-12-06 17:47:12,887 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) [2021-12-06 17:47:12,890 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) [2021-12-06 17:47:12,890 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) [2021-12-06 17:47:12,890 INFO L186 Difference]: Start difference. First operand has 138 places, 121 transitions, 435 flow. Second operand 10 states and 798 transitions. [2021-12-06 17:47:12,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 192 transitions, 1047 flow [2021-12-06 17:47:12,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 192 transitions, 987 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-12-06 17:47:12,897 INFO L242 Difference]: Finished difference. Result has 139 places, 115 transitions, 402 flow [2021-12-06 17:47:12,898 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} [2021-12-06 17:47:12,898 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 27 predicate places. [2021-12-06 17:47:12,898 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 115 transitions, 402 flow [2021-12-06 17:47:12,899 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) [2021-12-06 17:47:12,899 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:47:12,899 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] [2021-12-06 17:47:12,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 17:47:12,900 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)] === [2021-12-06 17:47:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:47:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash 421181002, now seen corresponding path program 5 times [2021-12-06 17:47:12,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:47:12,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802640958] [2021-12-06 17:47:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:47:12,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:47:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:47:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:47:13,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:47:13,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802640958] [2021-12-06 17:47:13,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802640958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:47:13,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:47:13,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:47:13,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375453948] [2021-12-06 17:47:13,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:47:13,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:47:13,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:47:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:47:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:47:13,070 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 117 [2021-12-06 17:47:13,071 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) [2021-12-06 17:47:13,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:47:13,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 117 [2021-12-06 17:47:13,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:47:13,273 INFO L129 PetriNetUnfolder]: 31/193 cut-off events. [2021-12-06 17:47:13,273 INFO L130 PetriNetUnfolder]: For 265/267 co-relation queries the response was YES. [2021-12-06 17:47:13,273 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. [2021-12-06 17:47:13,274 INFO L132 encePairwiseOnDemand]: 108/117 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2021-12-06 17:47:13,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 150 transitions, 720 flow [2021-12-06 17:47:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:47:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-06 17:47:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 782 transitions. [2021-12-06 17:47:13,276 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6683760683760683 [2021-12-06 17:47:13,276 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 782 transitions. [2021-12-06 17:47:13,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 782 transitions. [2021-12-06 17:47:13,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:47:13,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 782 transitions. [2021-12-06 17:47:13,279 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) [2021-12-06 17:47:13,281 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) [2021-12-06 17:47:13,282 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) [2021-12-06 17:47:13,282 INFO L186 Difference]: Start difference. First operand has 139 places, 115 transitions, 402 flow. Second operand 10 states and 782 transitions. [2021-12-06 17:47:13,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 150 transitions, 720 flow [2021-12-06 17:47:13,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 150 transitions, 649 flow, removed 25 selfloop flow, removed 12 redundant places. [2021-12-06 17:47:13,286 INFO L242 Difference]: Finished difference. Result has 132 places, 0 transitions, 0 flow [2021-12-06 17:47:13,287 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} [2021-12-06 17:47:13,287 INFO L334 CegarLoopForPetriNet]: 112 programPoint places, 20 predicate places. [2021-12-06 17:47:13,287 INFO L470 AbstractCegarLoop]: Abstraction has has 132 places, 0 transitions, 0 flow [2021-12-06 17:47:13,288 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) [2021-12-06 17:47:13,290 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 15 remaining) [2021-12-06 17:47:13,291 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2021-12-06 17:47:13,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2021-12-06 17:47:13,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 17:47:13,296 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:47:13,300 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 17:47:13,300 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:47:13,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:47:13 BasicIcfg [2021-12-06 17:47:13,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:47:13,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:47:13,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:47:13,304 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:47:13,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:47:07" (3/4) ... [2021-12-06 17:47:13,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:47:13,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-12-06 17:47:13,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-06 17:47:13,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-06 17:47:13,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:47:13,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:47:13,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:47:13,352 INFO L158 Benchmark]: Toolchain (without parser) took 6514.75ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 76.5MB in the beginning and 46.9MB in the end (delta: 29.6MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,353 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:47:13,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.80ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 66.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.20ms. Allocated memory is still 109.1MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,353 INFO L158 Benchmark]: Boogie Preprocessor took 22.77ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,354 INFO L158 Benchmark]: RCFGBuilder took 330.94ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 61.9MB in the beginning and 102.5MB in the end (delta: -40.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,354 INFO L158 Benchmark]: TraceAbstraction took 5647.51ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 102.5MB in the beginning and 50.1MB in the end (delta: 52.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,354 INFO L158 Benchmark]: Witness Printer took 47.74ms. Allocated memory is still 159.4MB. Free memory was 50.1MB in the beginning and 46.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:47:13,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.80ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 66.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.20ms. Allocated memory is still 109.1MB. Free memory was 66.1MB in the beginning and 63.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.77ms. Allocated memory is still 109.1MB. Free memory was 63.6MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.94ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 61.9MB in the beginning and 102.5MB in the end (delta: -40.6MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5647.51ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 102.5MB in the beginning and 50.1MB in the end (delta: 52.5MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. * Witness Printer took 47.74ms. Allocated memory is still 159.4MB. Free memory was 50.1MB in the beginning and 46.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 5.5s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 763 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 763 mSDsluCounter, 330 SdHoareTripleChecker+Invalid, 1.5s 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, 32 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.8s 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 948 ConstructedInterpolants, 0 QuantifiedInterpolants, 5053 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! [2021-12-06 17:47:13,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f711e74-eb38-4ff8-8b2f-54ed715c10c9/bin/uautomizer-DrprNOufMa/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