./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS --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 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:51:42,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:51:42,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:51:42,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:51:42,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:51:42,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:51:42,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:51:42,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:51:42,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:51:42,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:51:42,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:51:42,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:51:42,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:51:42,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:51:42,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:51:42,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:51:42,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:51:42,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:51:42,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:51:42,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:51:42,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:51:42,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:51:42,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:51:42,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:51:42,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:51:42,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:51:42,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:51:42,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:51:42,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:51:42,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:51:42,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:51:42,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:51:42,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:51:42,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:51:42,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:51:42,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:51:42,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:51:42,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:51:42,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:51:42,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:51:42,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:51:42,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:51:42,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:51:42,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:51:42,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:51:42,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:51:42,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:51:42,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:51:42,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:51:42,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:51:42,356 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:51:42,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:51:42,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:51:42,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:51:42,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:51:42,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:51:42,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:51:42,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:51:42,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:51:42,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:51:42,358 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:51:42,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:51:42,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:51:42,359 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:51:42,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:51:42,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:51:42,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:51:42,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:51:42,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:51:42,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:51:42,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:51:42,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:51:42,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:51:42,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:51:42,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:51:42,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:51:42,363 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:51:42,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:51:42,363 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2022-11-23 03:51:42,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:51:42,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:51:42,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:51:42,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:51:42,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:51:42,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-23 03:51:45,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:51:46,187 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:51:46,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-23 03:51:46,214 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/data/9b820321e/3dc059900c1143119f079acab77d6196/FLAG9457e742e [2022-11-23 03:51:46,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/data/9b820321e/3dc059900c1143119f079acab77d6196 [2022-11-23 03:51:46,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:51:46,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:51:46,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:51:46,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:51:46,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:51:46,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:46" (1/1) ... [2022-11-23 03:51:46,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c286a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:46, skipping insertion in model container [2022-11-23 03:51:46,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:46" (1/1) ... [2022-11-23 03:51:46,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:51:46,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:51:46,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:51:46,950 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:51:47,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:51:47,114 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:51:47,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47 WrapperNode [2022-11-23 03:51:47,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:51:47,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:51:47,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:51:47,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:51:47,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,206 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-23 03:51:47,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:51:47,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:51:47,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:51:47,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:51:47,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:51:47,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:51:47,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:51:47,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:51:47,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (1/1) ... [2022-11-23 03:51:47,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:51:47,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:51:47,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:51:47,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:51:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:51:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:51:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:51:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:51:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:51:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:51:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:51:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:51:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:51:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:51:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:51:47,376 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:51:47,530 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:51:47,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:51:47,921 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:51:47,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:51:47,931 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:51:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:47 BoogieIcfgContainer [2022-11-23 03:51:47,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:51:47,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:51:47,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:51:47,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:51:47,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:46" (1/3) ... [2022-11-23 03:51:47,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baee7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:47, skipping insertion in model container [2022-11-23 03:51:47,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:47" (2/3) ... [2022-11-23 03:51:47,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7baee7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:47, skipping insertion in model container [2022-11-23 03:51:47,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:47" (3/3) ... [2022-11-23 03:51:47,959 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2022-11-23 03:51:47,970 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:51:47,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:51:47,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 03:51:47,984 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:51:48,128 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 03:51:48,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 216 flow [2022-11-23 03:51:48,262 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-23 03:51:48,265 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 03:51:48,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-23 03:51:48,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 216 flow [2022-11-23 03:51:48,276 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 95 transitions, 193 flow [2022-11-23 03:51:48,281 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:51:48,314 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 95 transitions, 193 flow [2022-11-23 03:51:48,316 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 95 transitions, 193 flow [2022-11-23 03:51:48,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 95 transitions, 193 flow [2022-11-23 03:51:48,351 INFO L130 PetriNetUnfolder]: 0/95 cut-off events. [2022-11-23 03:51:48,351 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:51:48,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 0/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 03:51:48,354 INFO L119 LiptonReduction]: Number of co-enabled transitions 2030 [2022-11-23 03:51:51,962 INFO L134 LiptonReduction]: Checked pairs total: 11217 [2022-11-23 03:51:51,962 INFO L136 LiptonReduction]: Total number of compositions: 54 [2022-11-23 03:51:51,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:51:51,996 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@452993de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:51:51,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 03:51:52,003 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-23 03:51:52,004 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:51:52,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:51:52,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:51:52,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:51:52,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:51:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash -559429450, now seen corresponding path program 1 times [2022-11-23 03:51:52,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:51:52,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563405649] [2022-11-23 03:51:52,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:51:52,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:51:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:51:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:51:52,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:51:52,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563405649] [2022-11-23 03:51:52,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563405649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:51:52,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:51:52,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:51:52,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589396455] [2022-11-23 03:51:52,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:51:52,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:51:52,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:51:52,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:51:52,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:51:53,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 158 [2022-11-23 03:51:53,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:53,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:51:53,175 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 158 [2022-11-23 03:51:53,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:51:53,453 INFO L130 PetriNetUnfolder]: 182/525 cut-off events. [2022-11-23 03:51:53,454 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:51:53,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 525 events. 182/525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2547 event pairs, 83 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 918. Up to 289 conditions per place. [2022-11-23 03:51:53,467 INFO L137 encePairwiseOnDemand]: 147/158 looper letters, 51 selfloop transitions, 22 changer transitions 0/87 dead transitions. [2022-11-23 03:51:53,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 87 transitions, 323 flow [2022-11-23 03:51:53,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:51:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:51:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 584 transitions. [2022-11-23 03:51:53,494 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6160337552742616 [2022-11-23 03:51:53,495 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 584 transitions. [2022-11-23 03:51:53,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 584 transitions. [2022-11-23 03:51:53,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:51:53,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 584 transitions. [2022-11-23 03:51:53,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:53,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:53,524 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:53,526 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 584 transitions. [2022-11-23 03:51:53,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 87 transitions, 323 flow [2022-11-23 03:51:53,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 87 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:51:53,533 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2022-11-23 03:51:53,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2022-11-23 03:51:53,540 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-11-23 03:51:53,540 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2022-11-23 03:51:53,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:53,541 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:51:53,541 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:51:53,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:51:53,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:51:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:51:53,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1388805298, now seen corresponding path program 1 times [2022-11-23 03:51:53,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:51:53,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190780837] [2022-11-23 03:51:53,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:51:53,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:51:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:51:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:51:53,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:51:53,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190780837] [2022-11-23 03:51:53,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190780837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:51:53,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:51:53,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:51:53,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833411236] [2022-11-23 03:51:53,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:51:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:51:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:51:53,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:51:53,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:51:54,081 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 158 [2022-11-23 03:51:54,082 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,082 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:51:54,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 158 [2022-11-23 03:51:54,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:51:54,350 INFO L130 PetriNetUnfolder]: 214/614 cut-off events. [2022-11-23 03:51:54,350 INFO L131 PetriNetUnfolder]: For 116/119 co-relation queries the response was YES. [2022-11-23 03:51:54,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 614 events. 214/614 cut-off events. For 116/119 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3187 event pairs, 86 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 1278. Up to 348 conditions per place. [2022-11-23 03:51:54,355 INFO L137 encePairwiseOnDemand]: 147/158 looper letters, 60 selfloop transitions, 26 changer transitions 0/104 dead transitions. [2022-11-23 03:51:54,355 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 104 transitions, 508 flow [2022-11-23 03:51:54,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:51:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:51:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 580 transitions. [2022-11-23 03:51:54,358 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6118143459915611 [2022-11-23 03:51:54,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 580 transitions. [2022-11-23 03:51:54,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 580 transitions. [2022-11-23 03:51:54,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:51:54,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 580 transitions. [2022-11-23 03:51:54,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,363 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,363 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 580 transitions. [2022-11-23 03:51:54,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 104 transitions, 508 flow [2022-11-23 03:51:54,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 104 transitions, 508 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:51:54,368 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2022-11-23 03:51:54,369 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2022-11-23 03:51:54,370 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2022-11-23 03:51:54,370 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2022-11-23 03:51:54,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,370 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:51:54,371 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:51:54,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:51:54,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:51:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:51:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1942505745, now seen corresponding path program 1 times [2022-11-23 03:51:54,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:51:54,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879684297] [2022-11-23 03:51:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:51:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:51:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:51:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:51:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:51:54,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879684297] [2022-11-23 03:51:54,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879684297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:51:54,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:51:54,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:51:54,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065315705] [2022-11-23 03:51:54,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:51:54,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:51:54,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:51:54,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:51:54,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:51:54,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 158 [2022-11-23 03:51:54,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:54,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:51:54,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 158 [2022-11-23 03:51:54,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:51:55,147 INFO L130 PetriNetUnfolder]: 451/1033 cut-off events. [2022-11-23 03:51:55,147 INFO L131 PetriNetUnfolder]: For 634/642 co-relation queries the response was YES. [2022-11-23 03:51:55,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2845 conditions, 1033 events. 451/1033 cut-off events. For 634/642 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5249 event pairs, 157 based on Foata normal form. 0/987 useless extension candidates. Maximal degree in co-relation 2827. Up to 770 conditions per place. [2022-11-23 03:51:55,156 INFO L137 encePairwiseOnDemand]: 139/158 looper letters, 94 selfloop transitions, 69 changer transitions 0/170 dead transitions. [2022-11-23 03:51:55,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 170 transitions, 1052 flow [2022-11-23 03:51:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:51:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:51:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 563 transitions. [2022-11-23 03:51:55,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5938818565400844 [2022-11-23 03:51:55,186 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 563 transitions. [2022-11-23 03:51:55,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 563 transitions. [2022-11-23 03:51:55,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:51:55,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 563 transitions. [2022-11-23 03:51:55,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:55,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:55,189 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:55,189 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 563 transitions. [2022-11-23 03:51:55,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 170 transitions, 1052 flow [2022-11-23 03:51:55,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 170 transitions, 1052 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:51:55,199 INFO L231 Difference]: Finished difference. Result has 74 places, 146 transitions, 1004 flow [2022-11-23 03:51:55,199 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1004, PETRI_PLACES=74, PETRI_TRANSITIONS=146} [2022-11-23 03:51:55,202 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2022-11-23 03:51:55,203 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 146 transitions, 1004 flow [2022-11-23 03:51:55,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:55,204 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:51:55,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:51:55,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:51:55,205 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:51:55,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:51:55,206 INFO L85 PathProgramCache]: Analyzing trace with hash 130838345, now seen corresponding path program 1 times [2022-11-23 03:51:55,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:51:55,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710422655] [2022-11-23 03:51:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:51:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:51:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:51:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:51:55,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:51:55,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710422655] [2022-11-23 03:51:55,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710422655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:51:55,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:51:55,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:51:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162283518] [2022-11-23 03:51:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:51:55,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:51:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:51:55,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:51:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:51:55,621 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 158 [2022-11-23 03:51:55,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 146 transitions, 1004 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:55,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:51:55,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 158 [2022-11-23 03:51:55,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:51:55,976 INFO L130 PetriNetUnfolder]: 517/1171 cut-off events. [2022-11-23 03:51:55,976 INFO L131 PetriNetUnfolder]: For 1381/1394 co-relation queries the response was YES. [2022-11-23 03:51:55,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4096 conditions, 1171 events. 517/1171 cut-off events. For 1381/1394 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6202 event pairs, 150 based on Foata normal form. 0/1126 useless extension candidates. Maximal degree in co-relation 4073. Up to 921 conditions per place. [2022-11-23 03:51:55,987 INFO L137 encePairwiseOnDemand]: 143/158 looper letters, 150 selfloop transitions, 67 changer transitions 0/224 dead transitions. [2022-11-23 03:51:55,988 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 224 transitions, 1860 flow [2022-11-23 03:51:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:51:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:51:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 543 transitions. [2022-11-23 03:51:55,995 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5727848101265823 [2022-11-23 03:51:55,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 543 transitions. [2022-11-23 03:51:55,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 543 transitions. [2022-11-23 03:51:55,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:51:55,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 543 transitions. [2022-11-23 03:51:55,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:56,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:56,001 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:56,001 INFO L175 Difference]: Start difference. First operand has 74 places, 146 transitions, 1004 flow. Second operand 6 states and 543 transitions. [2022-11-23 03:51:56,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 224 transitions, 1860 flow [2022-11-23 03:51:56,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 224 transitions, 1796 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-23 03:51:56,026 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1592 flow [2022-11-23 03:51:56,026 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1592, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2022-11-23 03:51:56,028 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2022-11-23 03:51:56,029 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1592 flow [2022-11-23 03:51:56,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:51:56,030 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:51:56,030 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:51:56,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:51:56,030 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:51:56,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:51:56,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2102129479, now seen corresponding path program 1 times [2022-11-23 03:51:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:51:56,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846047667] [2022-11-23 03:51:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:51:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:51:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:51:56,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:51:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:51:56,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:51:56,112 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 03:51:56,113 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-23 03:51:56,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-23 03:51:56,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-23 03:51:56,116 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-23 03:51:56,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-23 03:51:56,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-23 03:51:56,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-23 03:51:56,117 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-23 03:51:56,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:51:56,118 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 03:51:56,125 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:51:56,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:51:56,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:51:56 BasicIcfg [2022-11-23 03:51:56,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:51:56,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:51:56,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:51:56,172 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:51:56,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:47" (3/4) ... [2022-11-23 03:51:56,175 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:51:56,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:51:56,176 INFO L158 Benchmark]: Toolchain (without parser) took 9932.76ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 148.2MB in the beginning and 185.1MB in the end (delta: -36.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,177 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:51:56,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.99ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 132.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.20ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 129.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,178 INFO L158 Benchmark]: Boogie Preprocessor took 71.10ms. Allocated memory is still 182.5MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,178 INFO L158 Benchmark]: RCFGBuilder took 656.60ms. Allocated memory is still 182.5MB. Free memory was 127.2MB in the beginning and 111.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,179 INFO L158 Benchmark]: TraceAbstraction took 8231.82ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 110.4MB in the beginning and 186.1MB in the end (delta: -75.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-23 03:51:56,179 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 264.2MB. Free memory was 186.1MB in the beginning and 185.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:51:56,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.99ms. Allocated memory is still 182.5MB. Free memory was 148.2MB in the beginning and 132.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.20ms. Allocated memory is still 182.5MB. Free memory was 132.6MB in the beginning and 129.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.10ms. Allocated memory is still 182.5MB. Free memory was 129.3MB in the beginning and 127.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.60ms. Allocated memory is still 182.5MB. Free memory was 127.2MB in the beginning and 111.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8231.82ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 110.4MB in the beginning and 186.1MB in the end (delta: -75.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 264.2MB. Free memory was 186.1MB in the beginning and 185.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 99 PlacesBefore, 45 PlacesAfterwards, 95 TransitionsBefore, 41 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 11217 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3265, independent: 2770, independent conditional: 0, independent unconditional: 2770, dependent: 495, dependent conditional: 0, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1212, independent: 1135, independent conditional: 0, independent unconditional: 1135, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1212, independent: 1047, independent conditional: 0, independent unconditional: 1047, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524, independent: 270, independent conditional: 0, independent unconditional: 270, dependent: 255, dependent conditional: 0, dependent unconditional: 255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3265, independent: 1635, independent conditional: 0, independent unconditional: 1635, dependent: 418, dependent conditional: 0, dependent unconditional: 418, unknown: 1212, unknown conditional: 0, unknown unconditional: 1212] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L927] CALL 1 munge(&mutex1, &myglobal1) [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 1 \read(*v) VAL [#in~m={2:0}, #in~m={3:0}, #in~v={1:0}, #in~v={1:0}, \read(*v)=0, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}] [L923] 0 \read(*v) VAL [#in~m={2:0}, #in~m={3:0}, #in~v={1:0}, #in~v={1:0}, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] EXPR 1 *v+1 VAL [#in~m={3:0}, #in~m={2:0}, #in~v={1:0}, #in~v={1:0}, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [#in~m={3:0}, #in~m={2:0}, #in~v={1:0}, #in~v={1:0}, \read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [#in~m={3:0}, #in~m={2:0}, #in~v={1:0}, #in~v={1:0}, \read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [#in~m={3:0}, #in~m={2:0}, #in~v={1:0}, #in~v={1:0}, *v=*v+1=25, \read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [#in~m={2:0}, #in~m={3:0}, #in~v={1:0}, #in~v={1:0}, *v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 136 locations, 8 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: 7.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 495 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1171 IncrementalHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 71 mSDtfsCounter, 1171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-23 03:51:56,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62abef84-5986-4611-85c0-d3a3c004ddc6/bin/uautomizer-QkZJyEgLgS/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE