./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:34:52,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:34:52,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:34:52,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:34:52,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:34:52,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:34:52,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:34:52,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:34:52,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:34:52,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:34:52,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:34:52,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:34:52,875 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:34:52,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:34:52,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:34:52,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:34:52,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:34:52,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:34:52,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:34:52,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:34:52,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:34:52,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:34:52,883 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:34:52,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:34:52,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:34:52,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:34:52,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:34:52,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:34:52,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:34:52,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:34:52,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:34:52,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:34:52,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:34:52,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:34:52,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:34:52,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:34:52,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:34:52,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:34:52,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:34:52,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:34:52,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:34:52,891 INFO L153 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_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2023-11-23 22:34:53,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:34:53,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:34:53,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:34:53,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:34:53,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:34:53,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-11-23 22:34:56,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:34:57,206 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:34:57,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-11-23 22:34:57,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/data/81d512bd1/694ce392c4d8448c9aba45d3d78b51af/FLAG979ab8b95 [2023-11-23 22:34:57,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/data/81d512bd1/694ce392c4d8448c9aba45d3d78b51af [2023-11-23 22:34:57,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:34:57,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:34:57,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:34:57,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:34:57,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:34:57,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:57" (1/1) ... [2023-11-23 22:34:57,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327c0a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:57, skipping insertion in model container [2023-11-23 22:34:57,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:57" (1/1) ... [2023-11-23 22:34:57,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:34:58,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:34:58,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:34:58,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:34:58,328 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:34:58,335 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:34:58,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58 WrapperNode [2023-11-23 22:34:58,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:34:58,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:34:58,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:34:58,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:34:58,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,428 INFO L138 Inliner]: procedures = 355, calls = 42, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2023-11-23 22:34:58,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:34:58,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:34:58,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:34:58,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:34:58,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:34:58,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:34:58,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:34:58,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:34:58,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (1/1) ... [2023-11-23 22:34:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:34:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:34:58,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:34:58,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:34:58,598 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-11-23 22:34:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-11-23 22:34:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-11-23 22:34:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-11-23 22:34:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-11-23 22:34:58,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:34:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:34:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 22:34:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:34:58,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:34:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 22:34:58,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:34:58,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:34:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:34:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:34:58,607 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:34:58,986 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:34:58,988 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:34:59,262 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:34:59,327 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:34:59,327 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:34:59,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:59 BoogieIcfgContainer [2023-11-23 22:34:59,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:34:59,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:34:59,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:34:59,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:34:59,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:57" (1/3) ... [2023-11-23 22:34:59,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd9d11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:59, skipping insertion in model container [2023-11-23 22:34:59,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:58" (2/3) ... [2023-11-23 22:34:59,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd9d11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:34:59, skipping insertion in model container [2023-11-23 22:34:59,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:59" (3/3) ... [2023-11-23 22:34:59,346 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2023-11-23 22:34:59,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:34:59,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:34:59,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-23 22:34:59,372 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:34:59,461 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:34:59,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 130 transitions, 274 flow [2023-11-23 22:34:59,579 INFO L124 PetriNetUnfolderBase]: 2/128 cut-off events. [2023-11-23 22:34:59,579 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:34:59,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 128 events. 2/128 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 129 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2023-11-23 22:34:59,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 130 transitions, 274 flow [2023-11-23 22:34:59,593 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 117 transitions, 243 flow [2023-11-23 22:34:59,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:34:59,614 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=LoopHeads, 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;@330354d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:34:59,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-23 22:34:59,631 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:34:59,631 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-23 22:34:59,632 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:34:59,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:34:59,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:34:59,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:34:59,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:34:59,640 INFO L85 PathProgramCache]: Analyzing trace with hash 540575035, now seen corresponding path program 1 times [2023-11-23 22:34:59,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:34:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496972595] [2023-11-23 22:34:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:34:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:34:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:00,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:00,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496972595] [2023-11-23 22:35:00,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496972595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:00,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:00,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:35:00,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85265878] [2023-11-23 22:35:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:00,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:35:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:00,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:35:00,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:35:00,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2023-11-23 22:35:00,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 117 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:00,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2023-11-23 22:35:00,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:00,607 INFO L124 PetriNetUnfolderBase]: 50/343 cut-off events. [2023-11-23 22:35:00,607 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-23 22:35:00,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 343 events. 50/343 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1523 event pairs, 32 based on Foata normal form. 6/311 useless extension candidates. Maximal degree in co-relation 421. Up to 103 conditions per place. [2023-11-23 22:35:00,615 INFO L140 encePairwiseOnDemand]: 123/130 looper letters, 20 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2023-11-23 22:35:00,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 118 transitions, 296 flow [2023-11-23 22:35:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:35:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:35:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-11-23 22:35:00,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9 [2023-11-23 22:35:00,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-11-23 22:35:00,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-11-23 22:35:00,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:00,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-11-23 22:35:00,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,656 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,658 INFO L175 Difference]: Start difference. First operand has 122 places, 117 transitions, 243 flow. Second operand 3 states and 351 transitions. [2023-11-23 22:35:00,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 118 transitions, 296 flow [2023-11-23 22:35:00,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 118 transitions, 290 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-23 22:35:00,670 INFO L231 Difference]: Finished difference. Result has 120 places, 115 transitions, 258 flow [2023-11-23 22:35:00,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=120, PETRI_TRANSITIONS=115} [2023-11-23 22:35:00,677 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -2 predicate places. [2023-11-23 22:35:00,678 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 115 transitions, 258 flow [2023-11-23 22:35:00,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:00,679 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:00,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:35:00,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:00,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash -539823950, now seen corresponding path program 1 times [2023-11-23 22:35:00,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:00,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585896881] [2023-11-23 22:35:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:00,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585896881] [2023-11-23 22:35:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585896881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:00,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:00,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:35:00,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514608594] [2023-11-23 22:35:00,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:00,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:35:00,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:00,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:35:00,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:35:00,891 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2023-11-23 22:35:00,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 115 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:00,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:00,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2023-11-23 22:35:00,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:01,047 INFO L124 PetriNetUnfolderBase]: 51/380 cut-off events. [2023-11-23 22:35:01,048 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2023-11-23 22:35:01,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 380 events. 51/380 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1699 event pairs, 29 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 435. Up to 87 conditions per place. [2023-11-23 22:35:01,054 INFO L140 encePairwiseOnDemand]: 122/130 looper letters, 21 selfloop transitions, 6 changer transitions 0/123 dead transitions. [2023-11-23 22:35:01,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 123 transitions, 332 flow [2023-11-23 22:35:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:35:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:35:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2023-11-23 22:35:01,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9025641025641026 [2023-11-23 22:35:01,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2023-11-23 22:35:01,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2023-11-23 22:35:01,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:01,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2023-11-23 22:35:01,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,067 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,067 INFO L175 Difference]: Start difference. First operand has 120 places, 115 transitions, 258 flow. Second operand 3 states and 352 transitions. [2023-11-23 22:35:01,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 123 transitions, 332 flow [2023-11-23 22:35:01,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 123 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:35:01,075 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 300 flow [2023-11-23 22:35:01,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2023-11-23 22:35:01,077 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, 0 predicate places. [2023-11-23 22:35:01,077 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 300 flow [2023-11-23 22:35:01,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:01,079 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:01,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:35:01,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:01,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:01,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1161215536, now seen corresponding path program 1 times [2023-11-23 22:35:01,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:01,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531344423] [2023-11-23 22:35:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:01,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:01,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531344423] [2023-11-23 22:35:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531344423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:01,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:35:01,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846431489] [2023-11-23 22:35:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:35:01,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:01,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:35:01,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:35:01,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2023-11-23 22:35:01,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:01,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2023-11-23 22:35:01,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:01,397 INFO L124 PetriNetUnfolderBase]: 98/559 cut-off events. [2023-11-23 22:35:01,397 INFO L125 PetriNetUnfolderBase]: For 160/173 co-relation queries the response was YES. [2023-11-23 22:35:01,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 559 events. 98/559 cut-off events. For 160/173 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2891 event pairs, 46 based on Foata normal form. 3/511 useless extension candidates. Maximal degree in co-relation 821. Up to 177 conditions per place. [2023-11-23 22:35:01,404 INFO L140 encePairwiseOnDemand]: 122/130 looper letters, 24 selfloop transitions, 11 changer transitions 0/133 dead transitions. [2023-11-23 22:35:01,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 133 transitions, 415 flow [2023-11-23 22:35:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:35:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:35:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2023-11-23 22:35:01,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9076923076923077 [2023-11-23 22:35:01,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2023-11-23 22:35:01,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2023-11-23 22:35:01,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:01,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2023-11-23 22:35:01,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,413 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 300 flow. Second operand 3 states and 354 transitions. [2023-11-23 22:35:01,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 133 transitions, 415 flow [2023-11-23 22:35:01,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 133 transitions, 395 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-23 22:35:01,420 INFO L231 Difference]: Finished difference. Result has 124 places, 128 transitions, 376 flow [2023-11-23 22:35:01,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=124, PETRI_TRANSITIONS=128} [2023-11-23 22:35:01,421 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, 2 predicate places. [2023-11-23 22:35:01,421 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 128 transitions, 376 flow [2023-11-23 22:35:01,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:01,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:01,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:01,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:35:01,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:01,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:01,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1556577588, now seen corresponding path program 1 times [2023-11-23 22:35:01,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:01,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029769486] [2023-11-23 22:35:01,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:01,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:02,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:02,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029769486] [2023-11-23 22:35:02,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029769486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:02,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:02,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:35:02,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856245615] [2023-11-23 22:35:02,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:02,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:35:02,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:02,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:35:02,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:35:02,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2023-11-23 22:35:02,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 128 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:02,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2023-11-23 22:35:02,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:02,594 INFO L124 PetriNetUnfolderBase]: 236/795 cut-off events. [2023-11-23 22:35:02,595 INFO L125 PetriNetUnfolderBase]: For 101/107 co-relation queries the response was YES. [2023-11-23 22:35:02,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1426 conditions, 795 events. 236/795 cut-off events. For 101/107 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4998 event pairs, 16 based on Foata normal form. 1/742 useless extension candidates. Maximal degree in co-relation 1304. Up to 141 conditions per place. [2023-11-23 22:35:02,605 INFO L140 encePairwiseOnDemand]: 125/130 looper letters, 36 selfloop transitions, 4 changer transitions 0/151 dead transitions. [2023-11-23 22:35:02,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 151 transitions, 502 flow [2023-11-23 22:35:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:35:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:35:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 683 transitions. [2023-11-23 22:35:02,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8756410256410256 [2023-11-23 22:35:02,609 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 683 transitions. [2023-11-23 22:35:02,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 683 transitions. [2023-11-23 22:35:02,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:02,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 683 transitions. [2023-11-23 22:35:02,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,618 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,618 INFO L175 Difference]: Start difference. First operand has 124 places, 128 transitions, 376 flow. Second operand 6 states and 683 transitions. [2023-11-23 22:35:02,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 151 transitions, 502 flow [2023-11-23 22:35:02,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 151 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:35:02,627 INFO L231 Difference]: Finished difference. Result has 126 places, 127 transitions, 360 flow [2023-11-23 22:35:02,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=360, PETRI_PLACES=126, PETRI_TRANSITIONS=127} [2023-11-23 22:35:02,629 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, 4 predicate places. [2023-11-23 22:35:02,629 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 127 transitions, 360 flow [2023-11-23 22:35:02,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:02,631 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:02,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:35:02,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:02,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:02,633 INFO L85 PathProgramCache]: Analyzing trace with hash -973095775, now seen corresponding path program 1 times [2023-11-23 22:35:02,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:02,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078504930] [2023-11-23 22:35:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078504930] [2023-11-23 22:35:02,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078504930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:02,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:02,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:35:02,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516640043] [2023-11-23 22:35:02,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:02,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:35:02,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:02,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:35:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:35:02,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 130 [2023-11-23 22:35:02,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 127 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:02,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 130 [2023-11-23 22:35:02,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:02,915 INFO L124 PetriNetUnfolderBase]: 8/205 cut-off events. [2023-11-23 22:35:02,915 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-23 22:35:02,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 303 conditions, 205 events. 8/205 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 485 event pairs, 2 based on Foata normal form. 4/202 useless extension candidates. Maximal degree in co-relation 241. Up to 18 conditions per place. [2023-11-23 22:35:02,917 INFO L140 encePairwiseOnDemand]: 124/130 looper letters, 6 selfloop transitions, 6 changer transitions 3/109 dead transitions. [2023-11-23 22:35:02,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 109 transitions, 291 flow [2023-11-23 22:35:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:35:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:35:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2023-11-23 22:35:02,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9307692307692308 [2023-11-23 22:35:02,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2023-11-23 22:35:02,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2023-11-23 22:35:02,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:02,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2023-11-23 22:35:02,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,926 INFO L175 Difference]: Start difference. First operand has 126 places, 127 transitions, 360 flow. Second operand 3 states and 363 transitions. [2023-11-23 22:35:02,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 109 transitions, 291 flow [2023-11-23 22:35:02,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 250 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-11-23 22:35:02,930 INFO L231 Difference]: Finished difference. Result has 114 places, 104 transitions, 225 flow [2023-11-23 22:35:02,931 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=114, PETRI_TRANSITIONS=104} [2023-11-23 22:35:02,931 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2023-11-23 22:35:02,932 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 225 flow [2023-11-23 22:35:02,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:02,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:02,933 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:02,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:35:02,934 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:02,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash 722522826, now seen corresponding path program 1 times [2023-11-23 22:35:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:02,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316595364] [2023-11-23 22:35:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:03,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:03,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316595364] [2023-11-23 22:35:03,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316595364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:03,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:03,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:35:03,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542927624] [2023-11-23 22:35:03,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:03,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:35:03,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:03,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:35:03,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:35:03,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2023-11-23 22:35:03,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 225 flow. Second operand has 3 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) [2023-11-23 22:35:03,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:03,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2023-11-23 22:35:03,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:03,132 INFO L124 PetriNetUnfolderBase]: 16/211 cut-off events. [2023-11-23 22:35:03,132 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-11-23 22:35:03,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 211 events. 16/211 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 602 event pairs, 14 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 182. Up to 55 conditions per place. [2023-11-23 22:35:03,134 INFO L140 encePairwiseOnDemand]: 127/130 looper letters, 16 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2023-11-23 22:35:03,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 104 transitions, 263 flow [2023-11-23 22:35:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:35:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:35:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2023-11-23 22:35:03,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8794871794871795 [2023-11-23 22:35:03,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2023-11-23 22:35:03,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2023-11-23 22:35:03,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:03,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2023-11-23 22:35:03,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:03,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:03,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:03,143 INFO L175 Difference]: Start difference. First operand has 114 places, 104 transitions, 225 flow. Second operand 3 states and 343 transitions. [2023-11-23 22:35:03,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 104 transitions, 263 flow [2023-11-23 22:35:03,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 104 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:35:03,147 INFO L231 Difference]: Finished difference. Result has 111 places, 103 transitions, 221 flow [2023-11-23 22:35:03,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=221, PETRI_PLACES=111, PETRI_TRANSITIONS=103} [2023-11-23 22:35:03,149 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -11 predicate places. [2023-11-23 22:35:03,149 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 103 transitions, 221 flow [2023-11-23 22:35:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-11-23 22:35:03,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:35:03,150 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:03,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:35:03,151 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-23 22:35:03,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:35:03,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1406840990, now seen corresponding path program 1 times [2023-11-23 22:35:03,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:35:03,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225020968] [2023-11-23 22:35:03,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:35:03,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:35:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:35:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:35:04,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:35:04,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225020968] [2023-11-23 22:35:04,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225020968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:35:04,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:35:04,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:35:04,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182310519] [2023-11-23 22:35:04,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:35:04,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:35:04,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:35:04,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:35:04,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:35:04,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 130 [2023-11-23 22:35:04,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 103 transitions, 221 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:04,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:35:04,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 130 [2023-11-23 22:35:04,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:35:04,247 INFO L124 PetriNetUnfolderBase]: 18/216 cut-off events. [2023-11-23 22:35:04,247 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-23 22:35:04,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 216 events. 18/216 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 523 event pairs, 8 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 201. Up to 32 conditions per place. [2023-11-23 22:35:04,249 INFO L140 encePairwiseOnDemand]: 125/130 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2023-11-23 22:35:04,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 110 transitions, 291 flow [2023-11-23 22:35:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:35:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:35:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 667 transitions. [2023-11-23 22:35:04,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8551282051282051 [2023-11-23 22:35:04,253 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 667 transitions. [2023-11-23 22:35:04,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 667 transitions. [2023-11-23 22:35:04,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:35:04,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 667 transitions. [2023-11-23 22:35:04,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 111.16666666666667) internal successors, (667), 6 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:04,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:04,260 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 130.0) internal successors, (910), 7 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:04,260 INFO L175 Difference]: Start difference. First operand has 111 places, 103 transitions, 221 flow. Second operand 6 states and 667 transitions. [2023-11-23 22:35:04,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 110 transitions, 291 flow [2023-11-23 22:35:04,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:35:04,264 INFO L231 Difference]: Finished difference. Result has 113 places, 0 transitions, 0 flow [2023-11-23 22:35:04,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=113, PETRI_TRANSITIONS=0} [2023-11-23 22:35:04,265 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -9 predicate places. [2023-11-23 22:35:04,265 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 0 transitions, 0 flow [2023-11-23 22:35:04,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:35:04,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-11-23 22:35:04,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-23 22:35:04,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2023-11-23 22:35:04,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2023-11-23 22:35:04,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-23 22:35:04,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-11-23 22:35:04,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-23 22:35:04,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-11-23 22:35:04,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-23 22:35:04,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-23 22:35:04,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-23 22:35:04,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-23 22:35:04,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-23 22:35:04,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-23 22:35:04,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:35:04,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:35:04,280 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:35:04,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:35:04,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:04 BasicIcfg [2023-11-23 22:35:04,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:35:04,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:35:04,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:35:04,288 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:35:04,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:34:59" (3/4) ... [2023-11-23 22:35:04,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:35:04,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2023-11-23 22:35:04,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2023-11-23 22:35:04,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-23 22:35:04,300 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 22:35:04,301 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:35:04,301 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:35:04,399 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:35:04,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:35:04,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:35:04,403 INFO L158 Benchmark]: Toolchain (without parser) took 7128.47ms. Allocated memory was 144.7MB in the beginning and 224.4MB in the end (delta: 79.7MB). Free memory was 97.2MB in the beginning and 143.2MB in the end (delta: -46.0MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,403 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:35:04,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.61ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 110.5MB in the end (delta: -13.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.84ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 110.5MB in the beginning and 154.2MB in the end (delta: -43.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,404 INFO L158 Benchmark]: Boogie Preprocessor took 61.00ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 152.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,405 INFO L158 Benchmark]: RCFGBuilder took 839.23ms. Allocated memory is still 186.6MB. Free memory was 152.1MB in the beginning and 128.0MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,405 INFO L158 Benchmark]: TraceAbstraction took 4954.09ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 128.0MB in the beginning and 147.4MB in the end (delta: -19.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,406 INFO L158 Benchmark]: Witness Printer took 114.20ms. Allocated memory is still 224.4MB. Free memory was 147.4MB in the beginning and 143.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:35:04,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.61ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 110.5MB in the end (delta: -13.8MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.84ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 110.5MB in the beginning and 154.2MB in the end (delta: -43.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.00ms. Allocated memory is still 186.6MB. Free memory was 154.2MB in the beginning and 152.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.23ms. Allocated memory is still 186.6MB. Free memory was 152.1MB in the beginning and 128.0MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4954.09ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 128.0MB in the beginning and 147.4MB in the end (delta: -19.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 114.20ms. Allocated memory is still 224.4MB. Free memory was 147.4MB in the beginning and 143.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 188 locations, 14 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: 4.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 556 IncrementalHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 25 mSDtfsCounter, 556 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=3, InterpolantAutomatonStates: 27, 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, 2.2s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:35:04,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50dc8eb-c046-42be-820a-1cd9d2b07513/bin/uautomizer-verify-zZY32mL2XJ/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