./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/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_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/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_7a07b412-5717-4ae3-a94e-9d914fb749ea/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 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:40:10,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:40:10,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:40:10,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:40:10,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:40:10,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:40:10,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:40:10,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:40:10,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:40:10,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:40:10,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:40:10,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:40:10,559 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:40:10,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:40:10,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:40:10,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:40:10,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:40:10,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:40:10,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:40:10,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:40:10,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:40:10,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:40:10,567 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:40:10,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:40:10,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:40:10,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:40:10,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:40:10,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:40:10,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:40:10,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:40:10,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:10,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:40:10,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:40:10,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:40:10,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:40:10,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:40:10,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:40:10,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:40:10,578 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:40:10,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:40:10,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:40:10,580 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_7a07b412-5717-4ae3-a94e-9d914fb749ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec75f624fee0326f6dc01ebf4c0afe8f65e83cfa5c5726cd79e55765f7366f9 [2023-11-23 22:40:10,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:40:10,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:40:10,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:40:10,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:40:10,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:40:10,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2023-11-23 22:40:14,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:40:14,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:40:14,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/sv-benchmarks/c/pthread-wmm/mix055_tso.oepc.i [2023-11-23 22:40:14,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/data/7cc49cb5e/a8a9ee76709342cd975f4966364f5542/FLAG1a3b19ef6 [2023-11-23 22:40:14,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/data/7cc49cb5e/a8a9ee76709342cd975f4966364f5542 [2023-11-23 22:40:14,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:40:14,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:40:14,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:14,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:40:14,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:40:14,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:14" (1/1) ... [2023-11-23 22:40:14,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a90e9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:14, skipping insertion in model container [2023-11-23 22:40:14,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:14" (1/1) ... [2023-11-23 22:40:14,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:40:15,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:15,100 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:40:15,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:40:15,239 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:40:15,239 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:40:15,246 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:40:15,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15 WrapperNode [2023-11-23 22:40:15,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:40:15,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:15,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:40:15,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:40:15,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,376 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 963 [2023-11-23 22:40:15,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:40:15,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:40:15,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:40:15,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:40:15,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:40:15,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:40:15,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:40:15,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:40:15,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (1/1) ... [2023-11-23 22:40:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:40:15,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:40:15,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:40:15,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a07b412-5717-4ae3-a94e-9d914fb749ea/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:40:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:40:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 22:40:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:40:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:40:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:40:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 22:40:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 22:40:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 22:40:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 22:40:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 22:40:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 22:40:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-23 22:40:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-23 22:40:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:40:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 22:40:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:40:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:40:15,629 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 22:40:15,940 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:40:15,942 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:40:17,760 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:40:24,729 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:40:24,730 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:40:24,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:24 BoogieIcfgContainer [2023-11-23 22:40:24,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:40:24,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:40:24,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:40:24,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:40:24,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:40:14" (1/3) ... [2023-11-23 22:40:24,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c571b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:24, skipping insertion in model container [2023-11-23 22:40:24,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:15" (2/3) ... [2023-11-23 22:40:24,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c571b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:24, skipping insertion in model container [2023-11-23 22:40:24,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:24" (3/3) ... [2023-11-23 22:40:24,749 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2023-11-23 22:40:24,764 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:40:24,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:40:24,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 279 error locations. [2023-11-23 22:40:24,778 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:40:25,082 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 22:40:25,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 427 places, 417 transitions, 850 flow [2023-11-23 22:40:25,404 INFO L124 PetriNetUnfolderBase]: 3/413 cut-off events. [2023-11-23 22:40:25,404 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:40:25,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 413 events. 3/413 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2193 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2023-11-23 22:40:25,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 427 places, 417 transitions, 850 flow [2023-11-23 22:40:25,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 423 places, 413 transitions, 838 flow [2023-11-23 22:40:25,494 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:40:25,503 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;@7d3ffe24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:40:25,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 431 error locations. [2023-11-23 22:40:25,514 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:40:25,514 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2023-11-23 22:40:25,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:40:25,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:25,515 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] [2023-11-23 22:40:25,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-23 22:40:25,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1111410089, now seen corresponding path program 1 times [2023-11-23 22:40:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:25,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652317265] [2023-11-23 22:40:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:25,886 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 22:40:25,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:25,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652317265] [2023-11-23 22:40:25,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652317265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:25,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:25,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 22:40:25,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305633069] [2023-11-23 22:40:25,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:25,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:40:25,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:25,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:40:25,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:40:25,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 417 [2023-11-23 22:40:25,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 413 transitions, 838 flow. Second operand has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 22:40:25,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:25,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 417 [2023-11-23 22:40:25,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:42,308 INFO L124 PetriNetUnfolderBase]: 7720/26538 cut-off events. [2023-11-23 22:40:42,308 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-11-23 22:40:42,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37231 conditions, 26538 events. 7720/26538 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 890. Compared 348263 event pairs, 7720 based on Foata normal form. 1819/26917 useless extension candidates. Maximal degree in co-relation 37180. Up to 10376 conditions per place. [2023-11-23 22:40:42,546 INFO L140 encePairwiseOnDemand]: 137/417 looper letters, 23 selfloop transitions, 0 changer transitions 0/130 dead transitions. [2023-11-23 22:40:42,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 130 transitions, 318 flow [2023-11-23 22:40:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:40:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-23 22:40:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 529 transitions. [2023-11-23 22:40:42,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6342925659472423 [2023-11-23 22:40:42,574 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 529 transitions. [2023-11-23 22:40:42,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 529 transitions. [2023-11-23 22:40:42,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:42,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 529 transitions. [2023-11-23 22:40:42,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 264.5) internal successors, (529), 2 states have internal predecessors, (529), 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 22:40:42,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 22:40:42,596 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 22:40:42,598 INFO L175 Difference]: Start difference. First operand has 423 places, 413 transitions, 838 flow. Second operand 2 states and 529 transitions. [2023-11-23 22:40:42,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 130 transitions, 318 flow [2023-11-23 22:40:42,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 130 transitions, 314 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:40:42,609 INFO L231 Difference]: Finished difference. Result has 140 places, 130 transitions, 268 flow [2023-11-23 22:40:42,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=417, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=268, PETRI_PLACES=140, PETRI_TRANSITIONS=130} [2023-11-23 22:40:42,616 INFO L281 CegarLoopForPetriNet]: 423 programPoint places, -283 predicate places. [2023-11-23 22:40:42,617 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 130 transitions, 268 flow [2023-11-23 22:40:42,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.0) internal successors, (228), 2 states have internal predecessors, (228), 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 22:40:42,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:42,618 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] [2023-11-23 22:40:42,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:40:42,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-23 22:40:42,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1612419107, now seen corresponding path program 1 times [2023-11-23 22:40:42,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:42,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137562451] [2023-11-23 22:40:42,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:42,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:42,873 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 22:40:42,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:42,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137562451] [2023-11-23 22:40:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137562451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:42,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978429853] [2023-11-23 22:40:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:42,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:42,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:42,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:42,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:42,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 417 [2023-11-23 22:40:42,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 130 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 22:40:42,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:42,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 417 [2023-11-23 22:40:42,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:40:57,272 INFO L124 PetriNetUnfolderBase]: 11720/35841 cut-off events. [2023-11-23 22:40:57,272 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:40:57,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51781 conditions, 35841 events. 11720/35841 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 450682 event pairs, 3720 based on Foata normal form. 0/33913 useless extension candidates. Maximal degree in co-relation 51778. Up to 10500 conditions per place. [2023-11-23 22:40:57,540 INFO L140 encePairwiseOnDemand]: 415/417 looper letters, 40 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2023-11-23 22:40:57,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 145 transitions, 380 flow [2023-11-23 22:40:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:40:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:40:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2023-11-23 22:40:57,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2973621103117506 [2023-11-23 22:40:57,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 372 transitions. [2023-11-23 22:40:57,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 372 transitions. [2023-11-23 22:40:57,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:40:57,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 372 transitions. [2023-11-23 22:40:57,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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 22:40:57,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 417.0) internal successors, (1668), 4 states have internal predecessors, (1668), 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 22:40:57,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 417.0) internal successors, (1668), 4 states have internal predecessors, (1668), 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 22:40:57,557 INFO L175 Difference]: Start difference. First operand has 140 places, 130 transitions, 268 flow. Second operand 3 states and 372 transitions. [2023-11-23 22:40:57,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 145 transitions, 380 flow [2023-11-23 22:40:57,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 145 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-23 22:40:57,566 INFO L231 Difference]: Finished difference. Result has 141 places, 129 transitions, 268 flow [2023-11-23 22:40:57,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=417, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=141, PETRI_TRANSITIONS=129} [2023-11-23 22:40:57,571 INFO L281 CegarLoopForPetriNet]: 423 programPoint places, -282 predicate places. [2023-11-23 22:40:57,572 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 268 flow [2023-11-23 22:40:57,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 22:40:57,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:40:57,574 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] [2023-11-23 22:40:57,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:40:57,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-23 22:40:57,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:40:57,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1758724002, now seen corresponding path program 1 times [2023-11-23 22:40:57,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:40:57,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407856046] [2023-11-23 22:40:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:40:57,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:40:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:40:57,891 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 22:40:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:40:57,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407856046] [2023-11-23 22:40:57,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407856046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:40:57,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:40:57,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:40:57,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288465975] [2023-11-23 22:40:57,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:40:57,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:40:57,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:40:57,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:40:57,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:40:57,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 417 [2023-11-23 22:40:57,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 129 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 22:40:57,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:40:57,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 417 [2023-11-23 22:40:57,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand