./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya --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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:26:29,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:26:29,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:26:29,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:26:29,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:26:29,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:26:29,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:26:29,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:26:29,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:26:29,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:26:29,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:26:29,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:26:29,308 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:26:29,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:26:29,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:26:29,309 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:26:29,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:26:29,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:26:29,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:26:29,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:26:29,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:26:29,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:26:29,313 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:26:29,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:26:29,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:26:29,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:26:29,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:26:29,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:26:29,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:26:29,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:26:29,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:26:29,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:26:29,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:26:29,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:26:29,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:26:29,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:26:29,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:26:29,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:26:29,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:26:29,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:26:29,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:26:29,320 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_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-29 00:26:29,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:26:29,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:26:29,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:26:29,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:26:29,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:26:29,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-29 00:26:32,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:26:32,506 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:26:32,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-29 00:26:32,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/7b4a4ac0f/1959c2f6174247fb891b2bdae23540ce/FLAG0646d3f15 [2023-11-29 00:26:32,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/data/7b4a4ac0f/1959c2f6174247fb891b2bdae23540ce [2023-11-29 00:26:32,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:26:32,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:26:32,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:26:32,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:26:32,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:26:32,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc92c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32, skipping insertion in model container [2023-11-29 00:26:32,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,566 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:26:32,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:26:32,757 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:26:32,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:26:32,806 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:26:32,806 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 00:26:32,812 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:26:32,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32 WrapperNode [2023-11-29 00:26:32,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:26:32,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:26:32,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:26:32,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:26:32,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,874 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 493 [2023-11-29 00:26:32,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:26:32,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:26:32,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:26:32,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:26:32,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:26:32,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:26:32,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:26:32,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:26:32,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (1/1) ... [2023-11-29 00:26:32,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:26:32,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:26:32,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:26:32,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:26:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:26:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:26:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:26:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:26:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 00:26:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 00:26:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 00:26:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 00:26:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 00:26:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:26:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:26:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:26:33,012 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:26:33,129 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:26:33,131 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:26:33,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:26:34,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:26:34,158 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 00:26:34,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:26:34 BoogieIcfgContainer [2023-11-29 00:26:34,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:26:34,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:26:34,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:26:34,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:26:34,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:26:32" (1/3) ... [2023-11-29 00:26:34,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc0cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:26:34, skipping insertion in model container [2023-11-29 00:26:34,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:26:32" (2/3) ... [2023-11-29 00:26:34,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcc0cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:26:34, skipping insertion in model container [2023-11-29 00:26:34,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:26:34" (3/3) ... [2023-11-29 00:26:34,169 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2023-11-29 00:26:34,177 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:26:34,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:26:34,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-29 00:26:34,185 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:26:34,294 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 00:26:34,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 385 transitions, 791 flow [2023-11-29 00:26:34,465 INFO L124 PetriNetUnfolderBase]: 18/382 cut-off events. [2023-11-29 00:26:34,465 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 00:26:34,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 382 events. 18/382 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 551 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 299. Up to 3 conditions per place. [2023-11-29 00:26:34,473 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 385 transitions, 791 flow [2023-11-29 00:26:34,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 359 transitions, 736 flow [2023-11-29 00:26:34,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:26:34,500 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;@18e911f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:26:34,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2023-11-29 00:26:34,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:26:34,506 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-29 00:26:34,506 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:26:34,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:34,506 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] [2023-11-29 00:26:34,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:34,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash 952478365, now seen corresponding path program 1 times [2023-11-29 00:26:34,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:34,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364531803] [2023-11-29 00:26:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:34,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:34,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364531803] [2023-11-29 00:26:34,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364531803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:34,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:34,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:34,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266446278] [2023-11-29 00:26:34,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:34,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:34,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:34,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:34,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:34,793 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 385 [2023-11-29 00:26:34,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 359 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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) [2023-11-29 00:26:34,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:34,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 385 [2023-11-29 00:26:34,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:35,062 INFO L124 PetriNetUnfolderBase]: 78/650 cut-off events. [2023-11-29 00:26:35,062 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-29 00:26:35,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 650 events. 78/650 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2499 event pairs, 51 based on Foata normal form. 50/608 useless extension candidates. Maximal degree in co-relation 536. Up to 128 conditions per place. [2023-11-29 00:26:35,072 INFO L140 encePairwiseOnDemand]: 326/385 looper letters, 17 selfloop transitions, 2 changer transitions 5/302 dead transitions. [2023-11-29 00:26:35,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 302 transitions, 660 flow [2023-11-29 00:26:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-11-29 00:26:35,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2023-11-29 00:26:35,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-11-29 00:26:35,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-11-29 00:26:35,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:35,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-11-29 00:26:35,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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) [2023-11-29 00:26:35,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,115 INFO L175 Difference]: Start difference. First operand has 352 places, 359 transitions, 736 flow. Second operand 3 states and 994 transitions. [2023-11-29 00:26:35,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 302 transitions, 660 flow [2023-11-29 00:26:35,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 648 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 00:26:35,129 INFO L231 Difference]: Finished difference. Result has 303 places, 297 transitions, 604 flow [2023-11-29 00:26:35,131 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=303, PETRI_TRANSITIONS=297} [2023-11-29 00:26:35,135 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -49 predicate places. [2023-11-29 00:26:35,135 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 297 transitions, 604 flow [2023-11-29 00:26:35,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 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) [2023-11-29 00:26:35,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:35,137 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] [2023-11-29 00:26:35,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:26:35,137 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:35,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1681502295, now seen corresponding path program 1 times [2023-11-29 00:26:35,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:35,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307036643] [2023-11-29 00:26:35,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:35,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:35,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:35,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307036643] [2023-11-29 00:26:35,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307036643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:35,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:35,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:35,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454469068] [2023-11-29 00:26:35,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:35,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:35,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:35,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:35,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-29 00:26:35,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 297 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:35,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-29 00:26:35,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:35,379 INFO L124 PetriNetUnfolderBase]: 76/643 cut-off events. [2023-11-29 00:26:35,379 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 00:26:35,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 643 events. 76/643 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2349 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 739. Up to 113 conditions per place. [2023-11-29 00:26:35,384 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2023-11-29 00:26:35,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 296 transitions, 636 flow [2023-11-29 00:26:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-29 00:26:35,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-29 00:26:35,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:35,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:35,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,395 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,396 INFO L175 Difference]: Start difference. First operand has 303 places, 297 transitions, 604 flow. Second operand 3 states and 942 transitions. [2023-11-29 00:26:35,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 296 transitions, 636 flow [2023-11-29 00:26:35,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 632 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:35,402 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 602 flow [2023-11-29 00:26:35,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2023-11-29 00:26:35,404 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -55 predicate places. [2023-11-29 00:26:35,404 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 602 flow [2023-11-29 00:26:35,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:35,405 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] [2023-11-29 00:26:35,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:26:35,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:35,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:35,406 INFO L85 PathProgramCache]: Analyzing trace with hash 886509222, now seen corresponding path program 1 times [2023-11-29 00:26:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:35,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049111332] [2023-11-29 00:26:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049111332] [2023-11-29 00:26:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049111332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:35,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:35,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:35,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192948714] [2023-11-29 00:26:35,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:35,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:35,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:35,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:35,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:35,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-29 00:26:35,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:35,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-29 00:26:35,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:35,628 INFO L124 PetriNetUnfolderBase]: 76/642 cut-off events. [2023-11-29 00:26:35,628 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 00:26:35,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 642 events. 76/642 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2343 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 730. Up to 113 conditions per place. [2023-11-29 00:26:35,634 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2023-11-29 00:26:35,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 634 flow [2023-11-29 00:26:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-29 00:26:35,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-29 00:26:35,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:35,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:35,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,645 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 602 flow. Second operand 3 states and 942 transitions. [2023-11-29 00:26:35,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 634 flow [2023-11-29 00:26:35,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 295 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:35,652 INFO L231 Difference]: Finished difference. Result has 296 places, 295 transitions, 600 flow [2023-11-29 00:26:35,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=296, PETRI_TRANSITIONS=295} [2023-11-29 00:26:35,653 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -56 predicate places. [2023-11-29 00:26:35,653 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 295 transitions, 600 flow [2023-11-29 00:26:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,654 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:35,655 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] [2023-11-29 00:26:35,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:26:35,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:35,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:35,656 INFO L85 PathProgramCache]: Analyzing trace with hash -985734678, now seen corresponding path program 1 times [2023-11-29 00:26:35,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:35,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048184474] [2023-11-29 00:26:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:35,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:35,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:35,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048184474] [2023-11-29 00:26:35,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048184474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:35,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:35,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:35,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117150307] [2023-11-29 00:26:35,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:35,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:35,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:35,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:35,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:35,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-29 00:26:35,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:35,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-29 00:26:35,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:35,854 INFO L124 PetriNetUnfolderBase]: 76/641 cut-off events. [2023-11-29 00:26:35,854 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-29 00:26:35,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 641 events. 76/641 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2341 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 721. Up to 113 conditions per place. [2023-11-29 00:26:35,859 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2023-11-29 00:26:35,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 632 flow [2023-11-29 00:26:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-29 00:26:35,863 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-29 00:26:35,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:35,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-29 00:26:35,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:35,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:35,870 INFO L175 Difference]: Start difference. First operand has 296 places, 295 transitions, 600 flow. Second operand 3 states and 942 transitions. [2023-11-29 00:26:35,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 632 flow [2023-11-29 00:26:35,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:35,875 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2023-11-29 00:26:35,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2023-11-29 00:26:35,877 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-29 00:26:35,877 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2023-11-29 00:26:35,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:35,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:35,878 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] [2023-11-29 00:26:35,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:26:35,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:35,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1754484228, now seen corresponding path program 1 times [2023-11-29 00:26:35,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98812219] [2023-11-29 00:26:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:35,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:35,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98812219] [2023-11-29 00:26:35,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98812219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:35,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:35,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817355579] [2023-11-29 00:26:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:35,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:35,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:35,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:35,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:35,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-29 00:26:35,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:35,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:35,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-29 00:26:35,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:36,098 INFO L124 PetriNetUnfolderBase]: 79/718 cut-off events. [2023-11-29 00:26:36,098 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 00:26:36,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 718 events. 79/718 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3008 event pairs, 18 based on Foata normal form. 0/617 useless extension candidates. Maximal degree in co-relation 789. Up to 84 conditions per place. [2023-11-29 00:26:36,106 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 18 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-29 00:26:36,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 299 transitions, 650 flow [2023-11-29 00:26:36,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-11-29 00:26:36,110 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2023-11-29 00:26:36,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-11-29 00:26:36,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-11-29 00:26:36,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:36,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-11-29 00:26:36,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 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) [2023-11-29 00:26:36,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,119 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 957 transitions. [2023-11-29 00:26:36,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 299 transitions, 650 flow [2023-11-29 00:26:36,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 299 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:36,126 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 602 flow [2023-11-29 00:26:36,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2023-11-29 00:26:36,127 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-29 00:26:36,127 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 602 flow [2023-11-29 00:26:36,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:36,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:36,129 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] [2023-11-29 00:26:36,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:26:36,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:36,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 890688504, now seen corresponding path program 1 times [2023-11-29 00:26:36,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:36,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471293612] [2023-11-29 00:26:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:36,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:36,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:36,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471293612] [2023-11-29 00:26:36,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471293612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:36,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:36,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:36,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062857204] [2023-11-29 00:26:36,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:36,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:36,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:36,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:36,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:36,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:36,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:36,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:36,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:36,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:36,348 INFO L124 PetriNetUnfolderBase]: 76/643 cut-off events. [2023-11-29 00:26:36,348 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-29 00:26:36,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 643 events. 76/643 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2360 event pairs, 38 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 340. Up to 114 conditions per place. [2023-11-29 00:26:36,354 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2023-11-29 00:26:36,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 293 transitions, 634 flow [2023-11-29 00:26:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-29 00:26:36,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-29 00:26:36,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-29 00:26:36,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-29 00:26:36,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:36,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-29 00:26:36,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2023-11-29 00:26:36,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,366 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,366 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 602 flow. Second operand 3 states and 944 transitions. [2023-11-29 00:26:36,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 293 transitions, 634 flow [2023-11-29 00:26:36,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 632 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:36,373 INFO L231 Difference]: Finished difference. Result has 295 places, 293 transitions, 602 flow [2023-11-29 00:26:36,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=295, PETRI_TRANSITIONS=293} [2023-11-29 00:26:36,375 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-29 00:26:36,375 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 293 transitions, 602 flow [2023-11-29 00:26:36,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:36,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:36,376 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] [2023-11-29 00:26:36,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:26:36,376 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:36,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:36,377 INFO L85 PathProgramCache]: Analyzing trace with hash 885671728, now seen corresponding path program 1 times [2023-11-29 00:26:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:36,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580223214] [2023-11-29 00:26:36,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:36,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:36,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580223214] [2023-11-29 00:26:36,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580223214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:36,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:36,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:36,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617534243] [2023-11-29 00:26:36,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:36,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:36,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:36,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:36,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-29 00:26:36,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 293 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:36,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:36,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-29 00:26:36,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:36,580 INFO L124 PetriNetUnfolderBase]: 76/642 cut-off events. [2023-11-29 00:26:36,580 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-29 00:26:36,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 642 events. 76/642 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2363 event pairs, 38 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 731. Up to 115 conditions per place. [2023-11-29 00:26:36,587 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2023-11-29 00:26:36,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 636 flow [2023-11-29 00:26:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-29 00:26:36,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-29 00:26:36,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-29 00:26:36,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-29 00:26:36,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:36,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-29 00:26:36,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:36,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,598 INFO L175 Difference]: Start difference. First operand has 295 places, 293 transitions, 602 flow. Second operand 3 states and 942 transitions. [2023-11-29 00:26:36,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 636 flow [2023-11-29 00:26:36,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 292 transitions, 632 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:36,606 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 600 flow [2023-11-29 00:26:36,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2023-11-29 00:26:36,607 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-29 00:26:36,607 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 600 flow [2023-11-29 00:26:36,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 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) [2023-11-29 00:26:36,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:36,608 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] [2023-11-29 00:26:36,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:26:36,608 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:36,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:36,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1387757266, now seen corresponding path program 1 times [2023-11-29 00:26:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217566674] [2023-11-29 00:26:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:36,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:36,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217566674] [2023-11-29 00:26:36,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217566674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:36,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:36,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034770640] [2023-11-29 00:26:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:36,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:36,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:36,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:36,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-29 00:26:36,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:36,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:36,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-29 00:26:36,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:36,817 INFO L124 PetriNetUnfolderBase]: 83/699 cut-off events. [2023-11-29 00:26:36,817 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-29 00:26:36,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 699 events. 83/699 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2836 event pairs, 20 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 786. Up to 66 conditions per place. [2023-11-29 00:26:36,823 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 21 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-29 00:26:36,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 299 transitions, 666 flow [2023-11-29 00:26:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2023-11-29 00:26:36,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8294372294372294 [2023-11-29 00:26:36,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2023-11-29 00:26:36,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2023-11-29 00:26:36,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:36,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2023-11-29 00:26:36,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2023-11-29 00:26:36,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:36,834 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 600 flow. Second operand 3 states and 958 transitions. [2023-11-29 00:26:36,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 299 transitions, 666 flow [2023-11-29 00:26:36,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 299 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:36,840 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 604 flow [2023-11-29 00:26:36,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2023-11-29 00:26:36,842 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-29 00:26:36,842 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 604 flow [2023-11-29 00:26:36,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:36,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:36,843 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] [2023-11-29 00:26:36,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:26:36,843 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:36,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash -398953274, now seen corresponding path program 1 times [2023-11-29 00:26:36,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:36,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214603672] [2023-11-29 00:26:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:36,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:36,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:36,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214603672] [2023-11-29 00:26:36,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214603672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:36,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:36,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:36,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751564339] [2023-11-29 00:26:36,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:36,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:36,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:36,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:36,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:36,896 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:36,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:36,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:36,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:36,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:37,041 INFO L124 PetriNetUnfolderBase]: 83/651 cut-off events. [2023-11-29 00:26:37,041 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-29 00:26:37,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 651 events. 83/651 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2402 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 480. Up to 123 conditions per place. [2023-11-29 00:26:37,047 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2023-11-29 00:26:37,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 638 flow [2023-11-29 00:26:37,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-29 00:26:37,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-29 00:26:37,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-29 00:26:37,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-29 00:26:37,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:37,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-29 00:26:37,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2023-11-29 00:26:37,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:37,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:37,062 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 604 flow. Second operand 3 states and 944 transitions. [2023-11-29 00:26:37,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 638 flow [2023-11-29 00:26:37,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 636 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:37,070 INFO L231 Difference]: Finished difference. Result has 294 places, 291 transitions, 604 flow [2023-11-29 00:26:37,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=291} [2023-11-29 00:26:37,071 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-29 00:26:37,071 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 291 transitions, 604 flow [2023-11-29 00:26:37,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:37,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:37,072 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] [2023-11-29 00:26:37,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:26:37,073 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:37,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1041086743, now seen corresponding path program 1 times [2023-11-29 00:26:37,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:37,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055097753] [2023-11-29 00:26:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:37,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:37,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055097753] [2023-11-29 00:26:37,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055097753] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:37,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:37,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:37,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271647797] [2023-11-29 00:26:37,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:37,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:37,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:37,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:37,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:37,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-29 00:26:37,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 291 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:37,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:37,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-29 00:26:37,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:37,266 INFO L124 PetriNetUnfolderBase]: 83/650 cut-off events. [2023-11-29 00:26:37,266 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 00:26:37,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 650 events. 83/650 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2422 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 756. Up to 121 conditions per place. [2023-11-29 00:26:37,272 INFO L140 encePairwiseOnDemand]: 383/385 looper letters, 15 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2023-11-29 00:26:37,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 290 transitions, 634 flow [2023-11-29 00:26:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2023-11-29 00:26:37,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8233766233766234 [2023-11-29 00:26:37,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 951 transitions. [2023-11-29 00:26:37,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 951 transitions. [2023-11-29 00:26:37,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:37,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 951 transitions. [2023-11-29 00:26:37,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2023-11-29 00:26:37,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:37,284 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:37,284 INFO L175 Difference]: Start difference. First operand has 294 places, 291 transitions, 604 flow. Second operand 3 states and 951 transitions. [2023-11-29 00:26:37,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 290 transitions, 634 flow [2023-11-29 00:26:37,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:37,290 INFO L231 Difference]: Finished difference. Result has 293 places, 290 transitions, 600 flow [2023-11-29 00:26:37,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=293, PETRI_TRANSITIONS=290} [2023-11-29 00:26:37,292 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -59 predicate places. [2023-11-29 00:26:37,292 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 290 transitions, 600 flow [2023-11-29 00:26:37,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:37,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:37,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:37,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:26:37,293 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:37,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:37,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1155574491, now seen corresponding path program 1 times [2023-11-29 00:26:37,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:37,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611219663] [2023-11-29 00:26:37,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:37,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:37,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:37,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611219663] [2023-11-29 00:26:37,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611219663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:37,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:37,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:37,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413843174] [2023-11-29 00:26:37,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:37,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:37,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:37,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:37,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:38,156 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 385 [2023-11-29 00:26:38,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 290 transitions, 600 flow. Second operand has 6 states, 6 states have (on average 277.5) internal successors, (1665), 6 states have internal predecessors, (1665), 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) [2023-11-29 00:26:38,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:38,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 385 [2023-11-29 00:26:38,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:38,494 INFO L124 PetriNetUnfolderBase]: 379/1195 cut-off events. [2023-11-29 00:26:38,494 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-11-29 00:26:38,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1195 events. 379/1195 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6245 event pairs, 202 based on Foata normal form. 0/990 useless extension candidates. Maximal degree in co-relation 1892. Up to 536 conditions per place. [2023-11-29 00:26:38,508 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 41 selfloop transitions, 10 changer transitions 0/288 dead transitions. [2023-11-29 00:26:38,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 288 transitions, 698 flow [2023-11-29 00:26:38,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1707 transitions. [2023-11-29 00:26:38,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7389610389610389 [2023-11-29 00:26:38,514 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1707 transitions. [2023-11-29 00:26:38,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1707 transitions. [2023-11-29 00:26:38,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:38,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1707 transitions. [2023-11-29 00:26:38,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 284.5) internal successors, (1707), 6 states have internal predecessors, (1707), 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) [2023-11-29 00:26:38,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:38,527 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:38,527 INFO L175 Difference]: Start difference. First operand has 293 places, 290 transitions, 600 flow. Second operand 6 states and 1707 transitions. [2023-11-29 00:26:38,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 288 transitions, 698 flow [2023-11-29 00:26:38,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 697 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:38,534 INFO L231 Difference]: Finished difference. Result has 295 places, 288 transitions, 615 flow [2023-11-29 00:26:38,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=295, PETRI_TRANSITIONS=288} [2023-11-29 00:26:38,535 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-29 00:26:38,535 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 288 transitions, 615 flow [2023-11-29 00:26:38,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 277.5) internal successors, (1665), 6 states have internal predecessors, (1665), 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) [2023-11-29 00:26:38,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:38,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:38,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:26:38,537 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:38,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:38,538 INFO L85 PathProgramCache]: Analyzing trace with hash -874198845, now seen corresponding path program 1 times [2023-11-29 00:26:38,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:38,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343974479] [2023-11-29 00:26:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:38,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:38,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343974479] [2023-11-29 00:26:38,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343974479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:38,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:38,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:38,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489633158] [2023-11-29 00:26:38,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:38,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:38,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:38,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:38,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:38,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:38,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 288 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:38,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:38,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:38,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:38,703 INFO L124 PetriNetUnfolderBase]: 83/647 cut-off events. [2023-11-29 00:26:38,703 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 00:26:38,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 647 events. 83/647 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2422 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 815. Up to 123 conditions per place. [2023-11-29 00:26:38,708 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2023-11-29 00:26:38,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 287 transitions, 649 flow [2023-11-29 00:26:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-29 00:26:38,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-29 00:26:38,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-29 00:26:38,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-29 00:26:38,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:38,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-29 00:26:38,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2023-11-29 00:26:38,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:38,716 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:38,716 INFO L175 Difference]: Start difference. First operand has 295 places, 288 transitions, 615 flow. Second operand 3 states and 944 transitions. [2023-11-29 00:26:38,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 287 transitions, 649 flow [2023-11-29 00:26:38,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 287 transitions, 629 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 00:26:38,721 INFO L231 Difference]: Finished difference. Result has 291 places, 287 transitions, 597 flow [2023-11-29 00:26:38,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=291, PETRI_TRANSITIONS=287} [2023-11-29 00:26:38,722 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -61 predicate places. [2023-11-29 00:26:38,722 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 287 transitions, 597 flow [2023-11-29 00:26:38,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:38,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:38,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:38,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:26:38,723 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:38,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:38,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1230585006, now seen corresponding path program 1 times [2023-11-29 00:26:38,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:38,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902267535] [2023-11-29 00:26:38,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:38,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:38,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:38,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902267535] [2023-11-29 00:26:38,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902267535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:38,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:38,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:38,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038436111] [2023-11-29 00:26:38,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:38,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:38,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:38,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-29 00:26:38,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 287 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:38,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:38,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-29 00:26:38,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:38,882 INFO L124 PetriNetUnfolderBase]: 83/646 cut-off events. [2023-11-29 00:26:38,882 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 00:26:38,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 646 events. 83/646 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2418 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 753. Up to 121 conditions per place. [2023-11-29 00:26:38,886 INFO L140 encePairwiseOnDemand]: 383/385 looper letters, 15 selfloop transitions, 1 changer transitions 0/286 dead transitions. [2023-11-29 00:26:38,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 286 transitions, 627 flow [2023-11-29 00:26:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2023-11-29 00:26:38,890 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8233766233766234 [2023-11-29 00:26:38,890 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 951 transitions. [2023-11-29 00:26:38,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 951 transitions. [2023-11-29 00:26:38,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:38,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 951 transitions. [2023-11-29 00:26:38,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 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) [2023-11-29 00:26:38,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:38,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:38,895 INFO L175 Difference]: Start difference. First operand has 291 places, 287 transitions, 597 flow. Second operand 3 states and 951 transitions. [2023-11-29 00:26:38,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 286 transitions, 627 flow [2023-11-29 00:26:38,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 286 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:38,900 INFO L231 Difference]: Finished difference. Result has 290 places, 286 transitions, 593 flow [2023-11-29 00:26:38,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=290, PETRI_TRANSITIONS=286} [2023-11-29 00:26:38,902 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -62 predicate places. [2023-11-29 00:26:38,902 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 286 transitions, 593 flow [2023-11-29 00:26:38,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2023-11-29 00:26:38,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:38,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:38,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 00:26:38,903 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:38,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:38,903 INFO L85 PathProgramCache]: Analyzing trace with hash -762552987, now seen corresponding path program 1 times [2023-11-29 00:26:38,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:38,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381120429] [2023-11-29 00:26:38,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:38,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:38,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:38,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381120429] [2023-11-29 00:26:38,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381120429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:38,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:38,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452847763] [2023-11-29 00:26:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:38,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:38,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:38,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:38,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 286 transitions, 593 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:38,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:38,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:38,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:39,066 INFO L124 PetriNetUnfolderBase]: 83/645 cut-off events. [2023-11-29 00:26:39,067 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-29 00:26:39,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 645 events. 83/645 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2414 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 753. Up to 123 conditions per place. [2023-11-29 00:26:39,071 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2023-11-29 00:26:39,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 285 transitions, 627 flow [2023-11-29 00:26:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-29 00:26:39,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-29 00:26:39,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-29 00:26:39,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-29 00:26:39,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:39,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-29 00:26:39,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2023-11-29 00:26:39,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,080 INFO L175 Difference]: Start difference. First operand has 290 places, 286 transitions, 593 flow. Second operand 3 states and 944 transitions. [2023-11-29 00:26:39,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 285 transitions, 627 flow [2023-11-29 00:26:39,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:39,085 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 594 flow [2023-11-29 00:26:39,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2023-11-29 00:26:39,086 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -62 predicate places. [2023-11-29 00:26:39,087 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 594 flow [2023-11-29 00:26:39,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 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) [2023-11-29 00:26:39,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:39,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:39,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 00:26:39,087 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:39,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash -746810576, now seen corresponding path program 1 times [2023-11-29 00:26:39,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:39,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697975438] [2023-11-29 00:26:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:39,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:39,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:39,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697975438] [2023-11-29 00:26:39,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697975438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:39,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:39,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:39,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769222602] [2023-11-29 00:26:39,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:39,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:39,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:39,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:39,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 385 [2023-11-29 00:26:39,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-11-29 00:26:39,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:39,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 385 [2023-11-29 00:26:39,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:39,295 INFO L124 PetriNetUnfolderBase]: 112/709 cut-off events. [2023-11-29 00:26:39,295 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-29 00:26:39,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 709 events. 112/709 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3022 event pairs, 64 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 899. Up to 171 conditions per place. [2023-11-29 00:26:39,301 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 2/282 dead transitions. [2023-11-29 00:26:39,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 626 flow [2023-11-29 00:26:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 938 transitions. [2023-11-29 00:26:39,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8121212121212121 [2023-11-29 00:26:39,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 938 transitions. [2023-11-29 00:26:39,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 938 transitions. [2023-11-29 00:26:39,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:39,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 938 transitions. [2023-11-29 00:26:39,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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) [2023-11-29 00:26:39,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,312 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 594 flow. Second operand 3 states and 938 transitions. [2023-11-29 00:26:39,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 626 flow [2023-11-29 00:26:39,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:39,319 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 582 flow [2023-11-29 00:26:39,320 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2023-11-29 00:26:39,320 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -65 predicate places. [2023-11-29 00:26:39,320 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 582 flow [2023-11-29 00:26:39,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 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) [2023-11-29 00:26:39,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:39,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:39,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 00:26:39,322 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:39,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash 240779795, now seen corresponding path program 1 times [2023-11-29 00:26:39,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:39,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063046090] [2023-11-29 00:26:39,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:39,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:39,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063046090] [2023-11-29 00:26:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063046090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:39,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:39,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:39,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608633133] [2023-11-29 00:26:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:39,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:39,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:39,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:39,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-29 00:26:39,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:39,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:39,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-29 00:26:39,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:39,547 INFO L124 PetriNetUnfolderBase]: 158/720 cut-off events. [2023-11-29 00:26:39,547 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2023-11-29 00:26:39,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 720 events. 158/720 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2821 event pairs, 53 based on Foata normal form. 0/636 useless extension candidates. Maximal degree in co-relation 966. Up to 156 conditions per place. [2023-11-29 00:26:39,552 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 20 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2023-11-29 00:26:39,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 285 transitions, 642 flow [2023-11-29 00:26:39,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2023-11-29 00:26:39,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8277056277056277 [2023-11-29 00:26:39,556 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 956 transitions. [2023-11-29 00:26:39,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 956 transitions. [2023-11-29 00:26:39,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:39,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 956 transitions. [2023-11-29 00:26:39,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2023-11-29 00:26:39,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,561 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 582 flow. Second operand 3 states and 956 transitions. [2023-11-29 00:26:39,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 285 transitions, 642 flow [2023-11-29 00:26:39,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 285 transitions, 641 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:39,566 INFO L231 Difference]: Finished difference. Result has 285 places, 279 transitions, 583 flow [2023-11-29 00:26:39,566 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=285, PETRI_TRANSITIONS=279} [2023-11-29 00:26:39,567 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -67 predicate places. [2023-11-29 00:26:39,567 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 279 transitions, 583 flow [2023-11-29 00:26:39,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-29 00:26:39,567 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:39,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:39,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 00:26:39,568 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:39,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:39,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1906960534, now seen corresponding path program 1 times [2023-11-29 00:26:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:39,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552073582] [2023-11-29 00:26:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:39,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:39,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552073582] [2023-11-29 00:26:39,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552073582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:39,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:39,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159820305] [2023-11-29 00:26:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:39,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:39,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:39,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:39,639 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 385 [2023-11-29 00:26:39,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 279 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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) [2023-11-29 00:26:39,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:39,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 385 [2023-11-29 00:26:39,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:39,809 INFO L124 PetriNetUnfolderBase]: 208/788 cut-off events. [2023-11-29 00:26:39,809 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2023-11-29 00:26:39,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1235 conditions, 788 events. 208/788 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3261 event pairs, 83 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1150. Up to 228 conditions per place. [2023-11-29 00:26:39,816 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2023-11-29 00:26:39,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 284 transitions, 647 flow [2023-11-29 00:26:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2023-11-29 00:26:39,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8242424242424242 [2023-11-29 00:26:39,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2023-11-29 00:26:39,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2023-11-29 00:26:39,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:39,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2023-11-29 00:26:39,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2023-11-29 00:26:39,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:39,824 INFO L175 Difference]: Start difference. First operand has 285 places, 279 transitions, 583 flow. Second operand 3 states and 952 transitions. [2023-11-29 00:26:39,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 284 transitions, 647 flow [2023-11-29 00:26:39,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 284 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:39,830 INFO L231 Difference]: Finished difference. Result has 284 places, 278 transitions, 581 flow [2023-11-29 00:26:39,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=284, PETRI_TRANSITIONS=278} [2023-11-29 00:26:39,830 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -68 predicate places. [2023-11-29 00:26:39,831 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 278 transitions, 581 flow [2023-11-29 00:26:39,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 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) [2023-11-29 00:26:39,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:39,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:39,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 00:26:39,831 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:39,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:39,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1342974429, now seen corresponding path program 1 times [2023-11-29 00:26:39,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:39,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365284761] [2023-11-29 00:26:39,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:39,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:39,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:39,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365284761] [2023-11-29 00:26:39,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365284761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:39,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:39,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:39,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071432283] [2023-11-29 00:26:39,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:39,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:39,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:39,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:39,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:39,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:39,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 278 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 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) [2023-11-29 00:26:39,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:39,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:39,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:40,065 INFO L124 PetriNetUnfolderBase]: 167/816 cut-off events. [2023-11-29 00:26:40,065 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES. [2023-11-29 00:26:40,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 816 events. 167/816 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3720 event pairs, 56 based on Foata normal form. 1/730 useless extension candidates. Maximal degree in co-relation 1089. Up to 161 conditions per place. [2023-11-29 00:26:40,072 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 20 selfloop transitions, 2 changer transitions 3/283 dead transitions. [2023-11-29 00:26:40,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 645 flow [2023-11-29 00:26:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2023-11-29 00:26:40,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8225108225108225 [2023-11-29 00:26:40,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 950 transitions. [2023-11-29 00:26:40,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 950 transitions. [2023-11-29 00:26:40,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:40,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 950 transitions. [2023-11-29 00:26:40,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 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) [2023-11-29 00:26:40,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:40,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:40,081 INFO L175 Difference]: Start difference. First operand has 284 places, 278 transitions, 581 flow. Second operand 3 states and 950 transitions. [2023-11-29 00:26:40,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 645 flow [2023-11-29 00:26:40,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:40,086 INFO L231 Difference]: Finished difference. Result has 282 places, 273 transitions, 570 flow [2023-11-29 00:26:40,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=282, PETRI_TRANSITIONS=273} [2023-11-29 00:26:40,086 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -70 predicate places. [2023-11-29 00:26:40,086 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 273 transitions, 570 flow [2023-11-29 00:26:40,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 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) [2023-11-29 00:26:40,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:40,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:40,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 00:26:40,087 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:40,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:40,088 INFO L85 PathProgramCache]: Analyzing trace with hash 839738480, now seen corresponding path program 1 times [2023-11-29 00:26:40,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:40,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488450144] [2023-11-29 00:26:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:40,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:40,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:40,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488450144] [2023-11-29 00:26:40,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488450144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:40,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:40,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:40,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410201218] [2023-11-29 00:26:40,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:40,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:40,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:40,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:40,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:40,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-29 00:26:40,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 273 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 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) [2023-11-29 00:26:40,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:40,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-29 00:26:40,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:41,204 INFO L124 PetriNetUnfolderBase]: 383/968 cut-off events. [2023-11-29 00:26:41,204 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-29 00:26:41,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 968 events. 383/968 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3916 event pairs, 30 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1624. Up to 178 conditions per place. [2023-11-29 00:26:41,215 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 51 selfloop transitions, 4 changer transitions 0/300 dead transitions. [2023-11-29 00:26:41,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 300 transitions, 766 flow [2023-11-29 00:26:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1834 transitions. [2023-11-29 00:26:41,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.793939393939394 [2023-11-29 00:26:41,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1834 transitions. [2023-11-29 00:26:41,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1834 transitions. [2023-11-29 00:26:41,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:41,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1834 transitions. [2023-11-29 00:26:41,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 305.6666666666667) internal successors, (1834), 6 states have internal predecessors, (1834), 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) [2023-11-29 00:26:41,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:41,236 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:41,236 INFO L175 Difference]: Start difference. First operand has 282 places, 273 transitions, 570 flow. Second operand 6 states and 1834 transitions. [2023-11-29 00:26:41,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 300 transitions, 766 flow [2023-11-29 00:26:41,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 300 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:41,244 INFO L231 Difference]: Finished difference. Result has 281 places, 272 transitions, 572 flow [2023-11-29 00:26:41,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=572, PETRI_PLACES=281, PETRI_TRANSITIONS=272} [2023-11-29 00:26:41,245 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -71 predicate places. [2023-11-29 00:26:41,246 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 272 transitions, 572 flow [2023-11-29 00:26:41,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 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) [2023-11-29 00:26:41,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:41,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:41,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 00:26:41,247 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:41,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1155745120, now seen corresponding path program 1 times [2023-11-29 00:26:41,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:41,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014176983] [2023-11-29 00:26:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:41,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:41,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:41,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014176983] [2023-11-29 00:26:41,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014176983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:41,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:41,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:26:41,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239358950] [2023-11-29 00:26:41,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:41,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:41,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:41,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:41,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:41,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-29 00:26:41,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 272 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 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) [2023-11-29 00:26:41,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:41,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-29 00:26:41,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:41,553 INFO L124 PetriNetUnfolderBase]: 223/830 cut-off events. [2023-11-29 00:26:41,553 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-29 00:26:41,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 830 events. 223/830 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3787 event pairs, 92 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 1187. Up to 242 conditions per place. [2023-11-29 00:26:41,561 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2023-11-29 00:26:41,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 278 transitions, 638 flow [2023-11-29 00:26:41,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 949 transitions. [2023-11-29 00:26:41,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216450216450216 [2023-11-29 00:26:41,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 949 transitions. [2023-11-29 00:26:41,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 949 transitions. [2023-11-29 00:26:41,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:41,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 949 transitions. [2023-11-29 00:26:41,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2023-11-29 00:26:41,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:41,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 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) [2023-11-29 00:26:41,571 INFO L175 Difference]: Start difference. First operand has 281 places, 272 transitions, 572 flow. Second operand 3 states and 949 transitions. [2023-11-29 00:26:41,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 278 transitions, 638 flow [2023-11-29 00:26:41,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 278 transitions, 631 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:26:41,577 INFO L231 Difference]: Finished difference. Result has 278 places, 271 transitions, 567 flow [2023-11-29 00:26:41,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=278, PETRI_TRANSITIONS=271} [2023-11-29 00:26:41,578 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -74 predicate places. [2023-11-29 00:26:41,578 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 271 transitions, 567 flow [2023-11-29 00:26:41,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 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) [2023-11-29 00:26:41,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:41,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:41,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 00:26:41,579 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:41,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash -168312143, now seen corresponding path program 1 times [2023-11-29 00:26:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:41,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992142155] [2023-11-29 00:26:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992142155] [2023-11-29 00:26:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992142155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:42,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:42,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:42,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285394631] [2023-11-29 00:26:42,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:42,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:42,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:42,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-29 00:26:42,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 271 transitions, 567 flow. Second operand has 6 states, 6 states have (on average 300.0) internal successors, (1800), 6 states have internal predecessors, (1800), 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) [2023-11-29 00:26:42,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:42,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-29 00:26:42,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:42,569 INFO L124 PetriNetUnfolderBase]: 143/678 cut-off events. [2023-11-29 00:26:42,569 INFO L125 PetriNetUnfolderBase]: For 105/114 co-relation queries the response was YES. [2023-11-29 00:26:42,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 678 events. 143/678 cut-off events. For 105/114 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2454 event pairs, 37 based on Foata normal form. 4/627 useless extension candidates. Maximal degree in co-relation 942. Up to 125 conditions per place. [2023-11-29 00:26:42,573 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 43 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2023-11-29 00:26:42,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 290 transitions, 731 flow [2023-11-29 00:26:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1826 transitions. [2023-11-29 00:26:42,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2023-11-29 00:26:42,579 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1826 transitions. [2023-11-29 00:26:42,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1826 transitions. [2023-11-29 00:26:42,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:42,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1826 transitions. [2023-11-29 00:26:42,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 304.3333333333333) internal successors, (1826), 6 states have internal predecessors, (1826), 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) [2023-11-29 00:26:42,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:42,590 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:42,590 INFO L175 Difference]: Start difference. First operand has 278 places, 271 transitions, 567 flow. Second operand 6 states and 1826 transitions. [2023-11-29 00:26:42,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 290 transitions, 731 flow [2023-11-29 00:26:42,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 290 transitions, 727 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 00:26:42,596 INFO L231 Difference]: Finished difference. Result has 280 places, 270 transitions, 569 flow [2023-11-29 00:26:42,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=569, PETRI_PLACES=280, PETRI_TRANSITIONS=270} [2023-11-29 00:26:42,597 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -72 predicate places. [2023-11-29 00:26:42,597 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 270 transitions, 569 flow [2023-11-29 00:26:42,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.0) internal successors, (1800), 6 states have internal predecessors, (1800), 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) [2023-11-29 00:26:42,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:42,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:42,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 00:26:42,599 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-29 00:26:42,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1171582284, now seen corresponding path program 1 times [2023-11-29 00:26:42,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:42,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361883730] [2023-11-29 00:26:42,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:26:43,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:43,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361883730] [2023-11-29 00:26:43,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361883730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:43,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:43,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:43,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507945309] [2023-11-29 00:26:43,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:43,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:43,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:43,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:43,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:43,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-29 00:26:43,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 270 transitions, 569 flow. Second operand has 6 states, 6 states have (on average 300.5) internal successors, (1803), 6 states have internal predecessors, (1803), 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) [2023-11-29 00:26:43,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:43,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-29 00:26:43,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:43,755 INFO L124 PetriNetUnfolderBase]: 93/611 cut-off events. [2023-11-29 00:26:43,755 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2023-11-29 00:26:43,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 611 events. 93/611 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2130 event pairs, 38 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 759. Up to 129 conditions per place. [2023-11-29 00:26:43,757 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 0 selfloop transitions, 0 changer transitions 277/277 dead transitions. [2023-11-29 00:26:43,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 277 transitions, 669 flow [2023-11-29 00:26:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2023-11-29 00:26:43,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.787012987012987 [2023-11-29 00:26:43,762 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1818 transitions. [2023-11-29 00:26:43,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1818 transitions. [2023-11-29 00:26:43,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:43,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1818 transitions. [2023-11-29 00:26:43,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 303.0) internal successors, (1818), 6 states have internal predecessors, (1818), 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) [2023-11-29 00:26:43,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:43,771 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 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) [2023-11-29 00:26:43,771 INFO L175 Difference]: Start difference. First operand has 280 places, 270 transitions, 569 flow. Second operand 6 states and 1818 transitions. [2023-11-29 00:26:43,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 277 transitions, 669 flow [2023-11-29 00:26:43,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 277 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 00:26:43,775 INFO L231 Difference]: Finished difference. Result has 280 places, 0 transitions, 0 flow [2023-11-29 00:26:43,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=280, PETRI_TRANSITIONS=0} [2023-11-29 00:26:43,776 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -72 predicate places. [2023-11-29 00:26:43,776 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 0 transitions, 0 flow [2023-11-29 00:26:43,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.5) internal successors, (1803), 6 states have internal predecessors, (1803), 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) [2023-11-29 00:26:43,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2023-11-29 00:26:43,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2023-11-29 00:26:43,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2023-11-29 00:26:43,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2023-11-29 00:26:43,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2023-11-29 00:26:43,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2023-11-29 00:26:43,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2023-11-29 00:26:43,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2023-11-29 00:26:43,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2023-11-29 00:26:43,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2023-11-29 00:26:43,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2023-11-29 00:26:43,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2023-11-29 00:26:43,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2023-11-29 00:26:43,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2023-11-29 00:26:43,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2023-11-29 00:26:43,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2023-11-29 00:26:43,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2023-11-29 00:26:43,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2023-11-29 00:26:43,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2023-11-29 00:26:43,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2023-11-29 00:26:43,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2023-11-29 00:26:43,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2023-11-29 00:26:43,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2023-11-29 00:26:43,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2023-11-29 00:26:43,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2023-11-29 00:26:43,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2023-11-29 00:26:43,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2023-11-29 00:26:43,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2023-11-29 00:26:43,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2023-11-29 00:26:43,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2023-11-29 00:26:43,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 00:26:43,796 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:43,803 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:26:43,803 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:26:43,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:26:43 BasicIcfg [2023-11-29 00:26:43,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:26:43,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:26:43,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:26:43,809 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:26:43,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:26:34" (3/4) ... [2023-11-29 00:26:43,811 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:26:43,813 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 00:26:43,813 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 00:26:43,813 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 00:26:43,821 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 00:26:43,822 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 00:26:43,822 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:26:43,823 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:26:43,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:26:43,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:26:43,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:26:43,917 INFO L158 Benchmark]: Toolchain (without parser) took 11384.15ms. Allocated memory was 130.0MB in the beginning and 438.3MB in the end (delta: 308.3MB). Free memory was 78.2MB in the beginning and 330.8MB in the end (delta: -252.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,917 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:26:43,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.70ms. Allocated memory is still 130.0MB. Free memory was 77.9MB in the beginning and 64.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.01ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 60.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,919 INFO L158 Benchmark]: Boogie Preprocessor took 67.75ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 100.2MB in the end (delta: -39.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,919 INFO L158 Benchmark]: RCFGBuilder took 1216.67ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 100.2MB in the beginning and 97.7MB in the end (delta: 2.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,920 INFO L158 Benchmark]: TraceAbstraction took 9645.60ms. Allocated memory was 157.3MB in the beginning and 438.3MB in the end (delta: 281.0MB). Free memory was 97.7MB in the beginning and 337.1MB in the end (delta: -239.4MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,920 INFO L158 Benchmark]: Witness Printer took 107.66ms. Allocated memory is still 438.3MB. Free memory was 337.1MB in the beginning and 330.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 00:26:43,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 130.0MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.70ms. Allocated memory is still 130.0MB. Free memory was 77.9MB in the beginning and 64.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.01ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 60.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.75ms. Allocated memory is still 130.0MB. Free memory was 60.5MB in the beginning and 100.2MB in the end (delta: -39.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1216.67ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 100.2MB in the beginning and 97.7MB in the end (delta: 2.5MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9645.60ms. Allocated memory was 157.3MB in the beginning and 438.3MB in the end (delta: 281.0MB). Free memory was 97.7MB in the beginning and 337.1MB in the end (delta: -239.4MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. * Witness Printer took 107.66ms. Allocated memory is still 438.3MB. Free memory was 337.1MB in the beginning and 330.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: 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 7 procedures, 465 locations, 122 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.5s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 35 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=736occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2440 ConstructedInterpolants, 0 QuantifiedInterpolants, 2834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 00:26:43,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a96754e-ec10-491e-b9d9-39f2cb10bd8d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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